Inequality in Utilization of Dental Services: A Systematic Review and Meta-analysis

Socioeconomic inequalities in the utilization of dental services among adults in Saudi Arabia

Background

This study used the Anderson Behavioral Model to assess the socioeconomic inequalities in dental services utilization among adults in Saudi Arabia, along with other predictors of utilization, to inform future planning of dental care services.

Methods

This cross-sectional study was a secondary analysis using national data from the 2019 Kingdom of Saudi Arabia World Health Survey (KSAWHS). The survey consisted of two interviewer-administered questionnaires: one household and one individual interview. The questions covered predisposing factors (age, gender, marital status, nationality, education, employment), enabling factors (income, household wealth, area-based socioeconomic class, health insurance, eligibility for free governmental health care, transportation and region of residence) and self-reported need for dental treatment. The main outcome was dental utilization in the past year; predisposing, enabling and need factors were independent variables. Hierarchical logistic regression analyses identified significant predictors of dental utilization, applying survey weights to adjust for the complex survey design. Adjusted odds ratios with 95% confidence intervals and p values were reported in the final model.

Results

The final dataset included 8535 adults (response rate = 95.4%). Twenty percent of adults had visited the dentist at least once in the past year (95% CI 18–21%). There were socioeconomic inequalities in dental utilization. High household income (OR 1.43, p = 0.043), second and middle household wealth status (OR 1.51, p = 0.003 and OR 1.57, p = 0.006) and access to free governmental health care (OR 2.05, p = 0.004) were significant predictors in the final regression model along with perceived need for dental treatment (OR 52.09, p < 0.001).

Conclusion

Socioeconomic inequalities in the utilization of dental services exist in Saudi Arabia. The need for treatment was the strongest predictor suggesting predominantly symptomatic attendance. Increasing awareness about the importance of preventive dental visits rather than symptomatic attendance could be an important policy implication to improve oral health and optimize dental care expenditure. Further research should explore the drivers for adults to seek preventive care in the absence of any recognized dental problems.

Evaluating Trust in the Patient-Dentist Relationship: A Mixed-Method Study

BACKGROUND

The objective of this article was to understand the trust of study participants in dental providers and trust-building practices used by dentists to establish and maintain trust with their patients.

METHODS

This study used a concurrent cross-sectional mixed-methods design to measure the participants' trust in their dental providers. An 11-item Dental Trust Scale (DTS) questionnaire was administered to 150 White, Black, and Hispanic study participants. In addition, the research team conducted semistructured interviews with 7 dentists in order to understand their perspectives related to patient trust. The internal consistency of the DTS was tested using Cronbach's α. Univariate and multivariable logistic regression models were run to test the association between the DTS mean score and individual participant factors. Qualitative information from interviews was analyzed using a thematic analysis approach.

RESULTS

The overall mean score of dental trust for the entire sample was 3.4. The DTS had good internal consistency (α = 0.93). Overall, dental trust was significantly higher in participants who had a regular dentist (F = 8.74, P = 0.003). The qualitative data were grouped under these key thematic categories: the importance of trust, building trust, and trust in treatment planning. Qualitative analysis also showed that the 2 main trust-building tools used by dentists were communication and understanding the patient's lifestyle or social determinants of health.

KNOWLEDGE TRANSFER STATEMENT

This study provides insight into the dentist-patient relationship. It increases our understanding of levels of dental trust among patients and examines methods used by the dentist to build trust. The outcomes of this study can be considered by dentists in their everyday practice as they seek to build trust with their patients.

Exploring variation of coverage and access to dental care for adults in 11 European countries: a vignette approach

BACKGROUND

Oral health, coupled with rising awareness on the impact that limited dental care coverage has on oral health and general health and well-being, has received increased attention over the past few years. The purpose of the study was to compare the statutory coverage and access to dental care for adult services in 11 European countries using a vignette approach.

METHODS

We used three patient vignettes to highlight the differences of the dimensions of coverage and access to dental care (coverage, cost-sharing and accessibility). The three vignettes describe typical care pathways for patients with the most common oral health conditions (caries, periodontal disease, edentulism). The vignettes were completed by health services researchers knowledgeable on dental care, dentists, or teams consisting of a health systems expert working together with dental specialists.

RESULTS

Completed vignettes were received from 11 countries: Bulgaria, Estonia, France, Germany, Republic of Ireland (Ireland), Lithuania, the Netherlands, Poland, Portugal, Slovakia and Sweden. While emergency dental care, tooth extraction and restorative care for acute pain due to carious lesions are covered in most responding countries, root canal treatment, periodontal care and prosthetic restoration often require cost-sharing or are entirely excluded from the benefit basket. Regular dental visits are also limited to one visit per year in many countries. Beyond financial barriers due to out-of-pocket payments, patients may experience very different physical barriers to accessing dental care. The limited availability of contracted dentists (especially in rural areas) and the unequal distribution and lack of specialised dentists are major access barriers to public dental care.

CONCLUSIONS

According to the results, statutory coverage of dental care varies across European countries, while access barriers are largely similar. Many dental services require substantial cost-sharing in most countries, leading to high out-of-pocket spending. Socioeconomic status is thus a main determinant for access to dental care, but other factors such as geography, age and comorbidities can also inhibit access and affect outcomes. Moreover, coverage in most oral health systems is targeted at treatment and less at preventative oral health care.

Cross-sectional study on knowledge, attitude and prevalence of domestic violence among women in Kaduna, north-western Nigeria

BACKGROUND

Domestic violence is a global issue of public health concern with detrimental effects on women's physical, mental and social well-being. There is a paucity of community-based studies assessing the knowledge and attitude of women towards domestic violence in Nigeria.

OBJECTIVE

To assess knowledge, attitudes, prevalence and associated factors of domestic violence among women in a community in Kaduna, Nigeria.

DESIGN

A descriptive cross-sectional study.

SETTING

A selected community in Kaduna South Local Government Area in Kaduna State.

PARTICIPANTS

In total, 170 women aged 15-49 years participated in the study.

PRIMARY AND SECONDARY OUTCOME MEASURES

The outcomes were knowledge, attitude and prevalence of domestic violence.

RESULTS

The mean age of the respondents was 28.7+7.9 years. A total of 113 (66.5%) respondents had high level of knowledge about domestic violence with 114 (67.1%) having non-tolerant attitudes towards domestic violence. The lifetime prevalence and 12-month prevalence of domestic violence were 47.1% and 35.3%, respectively. The results of logistic regression identified the educational status of women as a significant predictor of knowledge of domestic violence (adjusted OR (aOR)=0.32; 95% CI 0.15 to 0.68), while marital status (aOR=0.21; 95% CI 0.05 to 0.96), occupation of women (aOR=2.49; 95% CI 1.13 to 5.49), their tolerance of wife beating (aOR=0.33; 95% CI 0.15 to 0.72) and their partners' consumption habit of alcohol/substance use (aOR=7.91; 95% CI 3.09 to 20.27) were identified as significant predictors of the women's experience of domestic violence.

CONCLUSION

Domestic violence was relatively high among women. Though a majority had high level of knowledge about domestic violence, a significant third had tolerant attitudes towards it. Appropriate health interventions need to be implemented by governmental and relevant stakeholders to target negative attitudes and address associated factors of domestic violence against women.

Risk factors for violence against women in high-prevalence settings: a mixed-methods systematic review and meta-synthesis

INTRODUCTION

Violence against women (VAW) affects one in three women globally. In some countries, women are at much higher risk. We examined risk factors for VAW in countries with the highest 12-month prevalence estimates of intimate partner violence (IPV) to develop understanding of this increased risk.

METHODS

For this systematic review, we searched PUBMED, CINAHL, PROQUEST (Middle East and North Africa; Latin America and Iberia; East and South Asia), Web of Science, EMBASE and PsycINFO (Ovid) for records published between 1 January 2000 and 1 January 2021 in English, French and Spanish. Included records used quantitative, qualitative, or mixed-methods, reported original data, had VAW as the main outcome, and focused on at least one of 23 countries in the highest quintile of prevalence figures for women's self-reported experiences of physical and/or sexual violence in the past 12 months. We used critical interpretive synthesis to develop a conceptual model for associations between identified risk factors and VAW.

RESULTS

Our search identified 12 044 records, of which 241 were included for analysis (2 80 360 women, 40 276 men, 274 key informants). Most studies were from Bangladesh (74), Uganda (72) and Tanzania (43). Several quantitative studies explored community-level/region-level socioeconomic status and education as risk factors, but associations with VAW were mixed. Although fewer in number and representing just one country, studies reported more consistent effects for community-level childhood exposure to violence and urban residence. Theoretical explanations for a country's high prevalence point to the importance of exposure to other forms of violence (armed conflict, witnessing parental violence, child abuse) and patriarchal social norms.

CONCLUSION

Available evidence suggests that heightened prevalence of VAW is not attributable to a single risk factor. Multilayered and area-level risk analyses are needed to ensure funding is appropriately targeted for countries where VAW is most pervasive.

PROSPERO REGISTRATION NUMBER

The review is registered with PROSPERO (CRD42020190147).

The influence of change on sense of coherence on dental services use among adolescents: a two-year prospective follow-up study

BACKGROUND

To investigate the influence of change on sense of coherence (SOC) on dental services use in adolescents over a two-year period.

METHODS

A prospective follow-up study was conducted involving 334 12-year-old adolescents from public schools in the city of Manaus, Amazonas, Brazil. The predictors of use of dental services in the last 12 months were selected according to the Andersen's behavioural theoretical model. The predisposing factors included sex, self-reported skin colour and SOC. The enabling factors were dental insurance, monthly family income and parents/guardians schooling. Dental pain, perceived oral health status, dental caries and gingival status were used to assess need factors. Multivariable Poisson regression with robust variance was used to estimate incidence-rate ratios (IRR) and 95% confidence intervals between the independent variables and use of dental services.

RESULTS

Adolescent's SOC scores decreased significantly between baseline and one-year follow-up. SOC decline decreased the likelihood of using dental services in the last 12 months (IRR = 0.96 95%CI 0.92-0.99). Dental caries (IRR = 1.03 95%CI 1.01-1.04) and gingival bleeding (IRR = 1.01 95%CI 1.01-1.02) remained associated with use of dental services in the last 12 months. Adolescents with dental pain were more likely to have visited a dentist in the last year (IRR = 1.03, 95%CI 1.01-1.06).

CONCLUSION

SOC decrease over one-year period was a meaningful factor of dental services use among 12-year-old adolescents. Dental pain and clinical conditions were also relevant factors that can influence use of dental services in this group.

Perspectives on Social and Environmental Determinants of Oral Health

Most oral conditions have a multifactorial etiology; that is, they are modulated by biological, social, economic, cultural, and environmental factors. A consistent body of evidence has demonstrated the great burden of dental caries and periodontal disease in individuals from low socioeconomic strata. Oral health habits and access to care are influenced by the social determinants of health. Hence, the delivery of health promotion strategies at the population level has shown a great impact on reducing the prevalence of oral diseases. More recently, a growing discussion about the relationship between the environment, climate change, and oral health has been set in place. Certainly, outlining plans to address oral health inequities is not an easy task. It will demand political will, comprehensive funding of health services, and initiatives to reduce inequalities. This paper sought to give a perspective about the role of social and physical environmental factors on oral health conditions while discussing how the manuscripts published in this Special Issue could increase our knowledge of the topic.

Long-Acting Reversible Contraception, Condom Use, and Sexually Transmitted Infections: A Systematic Review and Meta-analysis

INTRODUCTION

Given mixed findings regarding the relationship between long-acting reversible contraception and condom use, this systematic review and meta-analysis synthesizes studies comparing sexually transmitted infection‒related outcomes between users of long-acting reversible contraception (intrauterine devices, implants) and users of moderately effective contraceptive methods (oral contraceptives, injectables, patches, rings).

METHODS

MEDLINE, Embase, PsycINFO, Global Health, CINAHL, Cochrane Library, and Scopus were searched for articles published between January 1990 and July 2018. Eligible studies included those that (1) were published in the English language, (2) were published in a peer-reviewed journal, (3) reported empirical, quantitative analyses, and (4) compared at least 1 outcome of interest (condom use, sexual behaviors other than condom use, sexually transmitted infection‒related service receipt, or sexually transmitted infections/HIV) between users of long-acting reversible contraception and users of moderately effective methods. In 2020, pooled ORs were calculated for condom use, chlamydia/gonorrhea infection, and trichomoniasis infection; findings for other outcomes were synthesized qualitatively. The protocol is registered on the International Prospective Register of Systematic Reviews (CRD42018109489).

RESULTS

A total of 33 studies were included. Long-acting reversible contraception users had decreased odds of using condoms compared with oral contraceptive users (OR=0.43, 95% CI=0.30, 0.63) and injectable, patch, or ring users (OR=0.58, 95% CI=0.48, 0.71); this association remained when limited to adolescents and young adults only. Findings related to multiple sex partners were mixed, and only 2 studies examined sexually transmitted infection testing, reporting mainly null findings. Pooled estimates for chlamydia and/or gonorrhea were null, but long-acting reversible contraception users had increased odds of trichomoniasis infection compared with oral contraceptive users (OR=2.01, 95% CI=1.11, 3.62).

DISCUSSION

Promoting condom use specifically for sexually transmitted infection prevention may be particularly important among long-acting reversible contraception users at risk for sexually transmitted infections, including adolescents and young adults.

Advancing Our Understanding of Dental Care Pathways of Refugees and Asylum Seekers in Canada: A Qualitative Study

The burden of oral diseases and need for dental care are high among refugees and asylum seekers (humanitarian migrants). Canada’s Interim Federal Health Program (IFHP) provides humanitarian migrants with limited dental services; however, this program has seen several fluctuations over the past decade. An earlier study on the experiences of humanitarian migrants in Quebec, Canada, developed the dental care pathways of humanitarian migrants model, which describes the care-seeking processes that humanitarian migrants follow; further, this study documented shortfalls in IFHP coverage. The current qualitative study tests the pathway model in another Canadian province. We purposefully recruited 27 humanitarian migrants from 13 countries in four global regions, between April and December 2019, in two Ontario cities (Toronto and Ottawa). Four focus group discussions were facilitated in English, Arabic, Spanish, and Dari. Analysis revealed barriers to care similar to the Quebec study: Waiting time, financial, and language barriers. Further, participants were unsatisfied with the IFHP’s benefits package. Our data produced two new pathways for the model: transnational dental care and self-medication. In conclusion, the dental care needs of humanitarian migrants are not currently being met in Canada, forcing participants to resort to alternative pathways outside the conventional dental care system.

Response strategies for promoting gender equality in public health emergencies: a rapid scoping review

OBJECTIVES

The COVID-19 pandemic threatens to widen existing gender inequities worldwide. A growing body of literature assesses the harmful consequences of public health emergencies (PHEs) for women and girls; however, evidence of what works to alleviate such impacts is limited. To inform viable mitigation strategies, we reviewed the evidence on gender-based interventions implemented in PHEs, including disease outbreaks and natural disasters.

METHODS

We conducted a rapid scoping review to identify eligible studies by systematically searching the databases MEDLINE, Global Health and Web of Science with the latest search update on 28 May 2021. We used the Sustainable Development Goals as a guiding framework to identify eligible outcomes of gender (in)equality.

RESULTS

Out of 13 920 records, 16 studies met our eligibility criteria. These included experimental (3), cohort (2), case-control (3) and cross-sectional (9) studies conducted in the context of natural disasters (earthquakes, droughts and storms) or epidemics (Zika, Ebola and COVID-19). Six studies were implemented in Asia, seven in North/Central America and three in Africa. Interventions included economic empowerment programmes (5); health promotion, largely focused on reproductive health (10); and a postearthquake resettlement programme (1). Included studies assessed gender-based outcomes in the domains of sexual and reproductive health, equal opportunities, access to economic resources, violence and health. There was a dearth of evidence for other outcome domains relevant to gender equity such as harmful practices, sanitation and hygiene practices, workplace discrimination and unpaid work. Economic empowerment interventions showed promise in promoting women's and girls' economic and educational opportunities as well as their sexual and reproductive health during PHEs. However, some programme beneficiaries may be at risk of experiencing unintended harms such as an increase in domestic violence. Focused reproductive health promotion may also be an effective strategy for supporting women's sexual and reproductive health, although additional experimental evidence is needed.

CONCLUSIONS

This study identified critical evidence gaps to guide future research on approaches to alleviating gender inequities during PHEs. We further highlight that interventions to promote gender equity in PHEs should take into account possible harmful side effects such as increased gender-based violence.

REVIEW REGISTRATION

DOI 10.17605/OSF.IO/8HKFD.

Inequalities in utilization and provision of dental services: a scoping review

BACKGROUND

There are many determinants that can affect inequality in oral and dental health. This study is aimed to explore the main determinants of inequality in both utilization and provision of dental services in Organization for Economic Co-operation and Development (OECD) countries.

METHODS

Four databases including PubMed, ISI WOS, Scopus, and ProQuest were searched up to 8 Aug 2020, applying the relevant keywords. Thematic analysis was used for synthesizing and extracting data. Trend analysis was applied to determine the trends of the inequality determinants.

RESULTS

Thematic analysis led to 6 main themes, 13 sub-themes, and 53 sub-sub-themes. The main themes represent the main inequality determinants for both utilization and provision of dental services. The streamgraph illustrated that fewer studies have been conducted on social and cultural determinants, and for almost all determinants the trend of published articles has been increasing since 2007, with the exception of health policies.

CONCLUSIONS

Inequality in the utilization and provision of dental services is addressed by various factors including individual, social, cultural and economic determinants, health policies, and availability of services. The first four determinants are related to utilization and the last two are related to the provision of services. All these aspects must be considered to reduce inequality in dental services.

Which determinants should be considered to reduce social inequalities in paediatric dental care access? A cross-sectional study in France

Better access to dental care through systemic and educational strategies is needed to lessen the burden of disease due to severe early caries. Our study aims to describe family characteristics associated with severe early caries: parental knowledge, attitudes, practices in oral health and socio-demographic factors. For this cross-sectional study, 102 parents of children aged under 6 years with severe early caries and attending paediatric dentistry service in France completed a questionnaire during face-to-face interviews. Caries were diagnosed clinically by calibrated investigators, using the American Academy of Paediatric Dentistry criteria, and dental status was recorded using the decayed, missing, and filled teeth index. The majority of children were from underprivileged backgrounds and had poor oral health status, with a median dmft index of 10. Parents highlighted the difficulty of finding suitable dental care in private practices. Parents appeared to have good oral health knowledge and engaged in adapted behaviours but showed a low sense of self-efficacy. They perceived the severity of early caries as important but the susceptibility of their child as moderate. The study affirmed the importance of improving the accessibility of paediatric dental care and developing educational strategies to enhance the knowledge, skills, and oral health practices of families.

Inequality and Inequity in the Use of Oral Health Services in Australian Adults

OBJECTIVE

Social determinants drive disparities in dental visiting. This study aimed to measure inequality and inequity in dental visiting among Australian adults.

METHODS

Data were obtained from the National Study of Adult Oral Health (2017 to 2018). Participants were Australian adults aged ≥30 y. The outcome of interest was dental visiting in the last 12 mo. Disparity indicators included education and income. Other sociodemographic characteristics included age, gender, Indigenous status, main language, place of birth, residential location, health card and dental insurance status, and individual's self-rated and impaired oral health. To characterize inequality in dental service use, we examined bivariate relationships using indices of inequality: the absolute and relative concentration indexes and the slope and relative indexes of inequality. Inequalities were depicted through concentration curves. Indirect standardization with a nonlinear model was used to measure inequity.

RESULTS

A total of 9,919 Australian adults were included. Bivariate analysis showed a gradient by education and income on dental visiting, with 48% of those with lowest educational attainment/income having not visited a dentist in the last 12 mo. The concentration curves showed pro-low education and pro-poor income inequalities. All measures of absolute and relative indices were negative, indicating that from the bottom to the top of the socioeconomic ladder (education and income), the prevalence of no dental visiting decreased: absolute and relative concentration index estimates were approximately 2.5% and 5.0%, while the slope and relative indexes of inequality estimates were 14% to 18% and 0.4%, respectively. After need standardization, the group with the highest education or income had almost 1.5-times less probability of not having a dental visit in the previous year than those with the lowest education or income.

CONCLUSION

The use of oral health services exhibited socioeconomic inequalities and inequities, disproportionately burdening disadvantaged Australian adults.

KNOWLEDGE TRANSFER STATEMENT

The results of this study can be used by policy makers when planning a dental labor force in relation to the capacity of supply dental services to 1) reduce the inequality and inequity in the use of oral health services and 2) meet identified oral health needs across the Australian population, which is important for preventive dental care.

Use of oral health care services in the United States: unequal, inequitable-a cross-sectional study

Background

Social determinants drive disparities in dental visiting. Disparities can be measured simply by comparing outcomes between groups (inequality) but can also consider concepts of social justice or fairness (inequity). This study aimed to assess differences in dental visiting in the United States in terms of both social inequality and inequity.

Methods

Data were obtained from a cross-sectional study—the National Health and Nutrition Examination Survey (NHANES) 2015–2016, and participants were US adults aged 30+ years. The outcome of interest, use of oral health care services, was measured in terms of dental visiting in the past 12 months. Disparity was operationalized through education and income. Other characteristics included age, gender, race/ethnicity, main language, country of birth, citizenship and oral health status. To characterize existing inequality in dental service use, we examined bivariate relationships using indices of inequality: the absolute and relative concentration index (ACI and RCI), the slope index of inequality (SII) and relative index of inequality (RII) and through concentration curves (CC). Indirect standardization with a non-linear model was used to measure inequity.

Results

A total of 4745 US adults were included. Bivariate analysis showed a gradient by both education and income in dental visiting, with a higher proportion (> 60%) of those with lower educational attainment /lower income having not visited a dentist. The concentration curves showed pro-higher education and income inequality. All measures of absolute and relative indices were negative, indicating that from lower to higher socioeconomic position (education and income), the prevalence of no dental visiting decreased: ACI and RCI estimates were approximately 8% and 20%, while SII and RII estimates were 50% and 30%. After need-standardization, the group with the highest educational level had nearly 2.5 times- and the highest income had near three times less probability of not having a dental visit in the past 12 months than those with the lowest education and income, respectively.

Conclusion

The findings indicate that use of oral health care is threatened by existing social inequalities and inequities, disproportionately burdening disadvantaged populations. Efforts to reduce both oral health inequalities and inequities must start with action in the social, economic and policy spheres.

Socioeconomic-related inequality in dental care utilization among preschool children in China

OBJECTIVES

This study aimed to investigate socioeconomic-related inequality in dental care service utilization in the past 12 months among Chinese preschool children and to explore the contribution of various factors to this inequality.

METHOD

A total of 40 305 children aged 3-5 years from 372 kindergartens who participated in the Fourth National Oral Health Survey in China were included in the final analysis. The method of data weighting in complex sampling was adopted to make the samples more representative. Erreygers-corrected concentration index (EI) was used to measure socioeconomic-related inequality in dental care service utilization. The horizontal inequality index (HI) was employed to analyse horizontal inequality. Decomposition analyses were conducted to explore the contributions of income level, need variables (dmft, caregiver-evaluated oral health status and toothache experience) and nonneed variables (caregiver education level, residential location, age, and sex) to the inequality of health service utilization.

RESULT

The utilization of oral health services within the past 12 months among the high-, middle- and low-income groups was 17.4% (95% CI: 15.6-19.3), 13.6% (95% CI: 12.2-15.1) and 9.4% (95% CI: 8.1-11.0) respectively. The concentration curve was below the line of equality, and the EI and HI were 0.072 and 0.078, respectively, indicating that dental care utilization in children aged 3-5 years was concentrated in those who were better off. The contribution of the need variables to socioeconomic-related inequality in dental services was minimal, and most dental care utilization inequality could be explained by household income, caregiver education attainment and urban-rural disparities, accounting for 32.0%, 49.4% and 20.4% respectively.

CONCLUSION

This study reveals the existence of pro-rich inequality in dental care utilization among preschool children in China. The decomposition analysis suggests that income, caregiver education background and urban-rural disparities are the main factors contributing to this outcome. Equity-oriented policies and programmes are needed to achieve equitable dental care utilization.

Contextual and individual factors associated with public dental services utilisation in Brazil: A multilevel analysis

BACKGROUND

This study verified the association between contextual and individual factors and public dental services utilisation in Brazil.

METHODS

The study was conducted based on a cross-sectional population-based household survey performed in Brazil (National Health Survey- 2019)). Data was collected between August 2019 and March 2020. Total sample included 43,167 individuals aged ≥15 years who had at least one dental appointment in the last 12 months before interview. Study outcome was 'public dental service utilisation', and Andersen's behavioral model was adopted for selecting independent variables. A multilevel analysis was performed using individual factors as first level and federation units as second level.

RESULTS

The highest prevalence of public dental service utilisation on an individual level was observed among unable to read or write people (PR: 3.31; p<0.001), indigenous (PR: 1.40; p<0.001), black or brown (PR: 1.16; p<0.001), with per capita household income of up to U$124 (PR: 2.40; p<0.001), living in the rural area (PR: 1.28; p<0.001), and who self-rated oral health as regular (PR: 1.15; p<0.001) or very bad/bad (PR: 1.26; p<0.001). On the contextual level, highest PR of public dental service utilisation was observed among those living in federal units with increased oral health coverage in primary health care.

CONCLUSIONS

Public dental service utilisation is associated with individual and contextual factors. These results can guide decision-making based on evidence from policymakers, demonstrating the potential for mitigating oral health inequalities and increasing service coverage in a public and universal health system.

Regional Inequality in Dental Care Utilization in Japan: An Ecological Study Using the National Database of Health Insurance Claims

BACKGROUND

This study examined regional inequalities in dental care utilization in Japan and the association of dental care utilization with socioeconomic factors.

METHODS

Using the Fourth National Database of Health Insurance Claims and Specific Health Checkups of Japan Open data, this ecological study analyzed 216 million pieces of aggregated data from April 2017 to March 2018. Nine indicators of dental care utilization were used: outpatient visits, outreach services, cavity fillings, pulpectomies, dental calculus removals, periodontal surgeries, tooth extractions, dental bridges, and dentures. Standardized claim ratios (SCRs) for these indicators were calculated for Japan's 47 prefectures, which were divided into three groups based on the number of dental clinics per population, average income per capita, and the proportion of university enrollments. Associations of the dental care utilization with dental supply and regional socioeconomic factors were examined.

FINDINGS

The ratios of maximum to minimum of SCRs were 1·4 for outpatient visits, 19·3 for outreach services, and 17·6 for periodontal surgeries. Dental supply was positively associated with outpatient visits, outreach services, dental calculus removal, and periodontal surgeries. Regional average income and educational level were positively associated with dental calculus removals, and negatively associated with pulpectomies, tooth extractions, dental bridges, and dentures.

INTERPRETATION

In Japan, regional inequalities in dental care utilization exist for periodontal care and outreach services but are smaller for urgent and substantial dental care. Regional income and educational levels appear to have influence on dental care utilization.

FUNDING

Ministry of Health, Labour and Welfare of Japan (H31-19FA1001).

Impact of social isolation on mortality and morbidity in 20 high-income, middle-income and low-income countries in five continents

Objective

To examine the association between social isolation and mortality and incident diseases in middle-aged adults in urban and rural communities from high-income, middle-income and low-income countries.

Design

Population-based prospective observational study.

Setting

Urban and rural communities in 20 high income, middle income and low income.

Participants

119 894 community-dwelling middle-aged adults.

Main outcome measures

Associations of social isolation with mortality, cardiovascular death, non-cardiovascular death and incident diseases.

Results

Social isolation was more common in middle-income and high-income countries compared with low-income countries, in urban areas than rural areas, in older individuals and among women, those with less education and the unemployed. It was more frequent among smokers and those with a poorer diet. Social isolation was associated with greater risk of mortality (HR of 1.26, 95% CI: 1.17 to 1.36), incident stroke (HR: 1.23, 95% CI: 1.07 to 1.40), cardiovascular disease (HR: 1.15, 95% CI: 1.05 to 1.25) and pneumonia (HR: 1.22, 95% CI: 1.09 to 1.37), but not cancer. The associations between social isolation and mortality were observed in populations in high-income, middle-income and low-income countries (HR (95% CI): 1.69 (1.32 to 2.17), 1.27 (1.15 to 1.40) and 1.47 (1.25 to 1.73), respectively, interaction p=0.02). The HR associated with social isolation was greater in men than women and in younger than older individuals. Mediation analyses for the association between social isolation and mortality showed that unhealthy behaviours and comorbidities may account for about one-fifth of the association.

Conclusion

Social isolation is associated with increased risk of mortality in countries at different economic levels. The increasing share of older people in populations in many countries argues for targeted strategies to mitigate its adverse effects.

Incremental Dental Expenditures Associated With Diabetes Among Noninstitutionalized U.S. Adults Aged ≥18 Years Old in 2016-2017

OBJECTIVE

Diabetes is associated with poor oral health, but incremental expenditures for dental care associated with diabetes in the U.S. are unknown. We aimed to quantify these incremental expenditures per person and for the nation.

RESEARCH DESIGN AND METHODS

We analyzed data from 46,633 noninstitutionalized adults aged ≥18 years old who participated in the 2016-2017 Medical Expenditure Panel Survey. We used two-part models to estimate dental expenditures per person in total, by payment source, and by dental service type, controlling for sociodemographic characteristics, health status, and geographic variables. Incremental expenditure was the difference in predicted expenditure for dental care between adults with and without diabetes. The total expenditure for the U.S. was the expenditure per person multiplied by the estimated number of people with diabetes. Expenditures were adjusted to 2017 USD.

RESULTS

The mean adjusted annual diabetes-associated incremental dental expenditure was $77 per person and $1.9 billion for the nation. Of this incremental expenditure, 51% ($40) and 39% ($30) were paid out of pocket and by private insurance, 69% ($53) of the incremental expenditure was for restorative/prosthetic/surgical services, and adults with diabetes had lower expenditure for preventive services than those without (incremental, -$7). Incremental expenditures were higher in older adults, non-Hispanic Whites, and people with higher levels of income and education.

CONCLUSIONS

Diabetes is associated with higher dental expenditures. These results fill a gap in the estimates of total medical expenditures associated with diabetes in the U.S. and highlight the importance of preventive dental care among people with diabetes.

Identifying Gaps in Oral Care Knowledge, Attitudes, and Practices of Latinx Parents/Caregivers of Children With and Without Autism Spectrum Disorders

Purpose: This pilot study used data from a survey to examine the knowledge, attitudes, and practices about oral care of Latinx parents/caregivers of children with or without autism spectrum disorder (ASD) to identify gaps to focus future intervention.

Methods: Sixty English-speaking Latinx parents/caregivers who had a child between 4 and 14 years with or without ASD (n=31 ASD, n=29 typically developing [TD]) completed a questionnaire on oral health knowledge, practices, access to care, and demographics. Caregiver responses were compared, and gaps in knowledge and practices were identified.

Results: There were no significant differences in parent age, child age, income, insured status, or overall knowledge scores, only a significant difference in education (p=0.02), with the ASD group reporting less. Scores for knowledge, attitudes, access and practice were all nonsignificantly positively correlated, as was attitudes with access and practice. However, knowledge and attitudes were significantly negatively correlated. Additional significant findings were parents who had lower income and education, had lower oral knowledge scores, decreased frequency of dental visits, increased feelings of being discriminated against, children with increased fear of the dentist, and decreased ease of finding a dentist.

Conclusion: Factors such as income, education, ethnicity, and having a child with ASD can influence what Latinx parents and caregivers know about oral health and how their children experience receiving dental care. Latinx parents/caregivers of children with and without ASD report barriers to dental care, including difficulty attending visits or feeling stigmatized by their dental provider due to their ethnicity. Fear of the dentist is significantly correlated with ASD diagnosis and lower social demographics of the parent, and may contribute to a reduction in preventative oral care visits as well. Health care providers should consider these perspectives when providing care to this population to mitigate further oral health inequities.

An Investigation of the Association between Health Screening and Dental Scaling in Korea

Dental disease is one of the most prevalent chronic diseases worldwide, and its expenditure is continuously increasing. Periodontal disease is increasing as a chronic non-communicable disease in adults and older people. Health screening has been shown to be cost-effective and improves the quality of life through the early detection of diseases. This study aimed to analyze the relationship between national health screening and dental scaling as a preventive service for periodontal disease. The study used sample cohort data from 2002 to 2015 provided by the National Health Insurance Sharing Service in South Korea. A logistic regression analysis of the utilization of dental scaling was performed to identify the independent effects of national health screening. People who underwent health screening showed a higher tendency to undergo dental scaling. Additionally, disparities in utilization according to socioeconomic status were reduced among those who underwent screening. The intervention to extend dental coverage could be more beneficial when combined with health screening, encouraging more people to participate and reducing inequalities in utilization.

Prevalence and Correlates of Dental Service Utilization among Adults in Solomon Islands

Aims and Objectives:

The aim of this study was to assess dental service utilization (DSU) among adults in a Pacific Island country.

Materials and Methods:

In a cross-sectional nationally representative survey in Solomon Islands, 2,533 individuals (18–69 years) responded to questions on DSU, sociodemographic and health information in 2015.

Results:

More than half of the participants (55.3%) never had DSU, 36.4% had more than 12 months DSU, and 8.3% had past 12 months DSU. In adjusted multinomial logistic regression analysis, older age, ever screened for blood pressure, using toothpaste, and having had pain in teeth, gum, or mouth in the past year were associated with both >12 months and past 12 months DSU. Higher education, ever screened for cholesterol, being divorced, separated, or widowed, poor self-rated oral health (SROH), and experienced difficulty in chewing foods in the past 12 months were associated with >12 months or past 12 months DSU. High physical activity was negatively associated with >12 months DSU.

Conclusion:

Less than one in ten participants had past 12 months DSU and several factors were found, which can be targeted in interventions.

A Qualitative Study of the Health Perceptions in the Venezuelan Immigrant Population in Medellín (Colombia) and Its Conditioning Factors

This study explored the general and oral health perceptions in the Venezuelan immigrant population in Medellín (Colombia) and its conditioning factors. A qualitative study involving Venezuelan immigrants ≥18 years with a minimum stay of six months in Colombia was conducted. Dentists, dental students, and other health professionals also participated. Semi-structured interviews (n = 17), focus groups (n = 2), and key informants' interviews (n = 4) were utilized. The interviews and focus groups were recorded and transcribed for later narrative content analysis. A high degree of vulnerability of participants was found due to the precarious living conditions from the premigratory moment and the lack of job placement possibilities at the time of settling in Colombia, where the migratory status played a fundamental role. Among the perceived needs, the mitigation of noncommunicable diseases stood out. Poor mental health symptoms (depression and anxiety) were perceived, and oral health was not a priority. Barriers to accessing health and dental care were found. The migrant condition was found to be a determinant that affected physical, mental, and oral health and the provision of health care. This situation is of interest to the construction of public health policies that guarantee access to fundamental rights.

Intimate partner violence against women and child maltreatment in a Brazilian birth cohort study: co-occurrence and shared risk factors

BACKGROUND

Intimate partner violence (IPV) against women and child maltreatment (CM) are major public health problems and human rights issues and may have shared causes. However, their overlap is understudied. We investigated the prevalence of IPV and CM, their co-occurrence in households and possible shared risk factors, in the general population of a Brazilian urban setting.

METHODS

Prospective population-based birth cohort, including over 3500 mother-child dyads with maternal reports on both IPV and CM when children were 4 years old. Eleven neighbourhood, family and parental risk factors were measured between birth and age 4 years. Bivariate and multivariate Poisson regression models with robust variance were used to test which potential risk factors were associated with IPV, CM and their co-occurrence.

RESULTS

The prevalence of any IPV and CM were 22.8% and 10.9%, respectively; the co-occurrence of both types of violence was 5%. Multivariate analyses showed that the overlap of IPV and CM was strongly associated with neighbourhood violence, absence of the child's biological father, paternal antisocial behaviour in general and a mother-partner relationship characterised by high levels of criticism, maternal depression and younger maternal age. A concentration of many risk factors among 10% of the population was associated with a sixfold increase in risk for overlapping IPV and CM compared with households with no risk factors.

CONCLUSION

IPV and CM share important risk factors in the family and neighbourhood environments and are particularly common in households with multiple social disadvantages and family difficulties. Integrated preventive interventions are needed.

Does the implementation of a national oral health policy reduce inequalities in oral health services utilization? The Brazilian experience

Background

This study aimed to assess the trend in income-related inequalities in oral health services utilization by the Brazilian population from 1998 to 2013. This period represents a timeline that includes different stages of implementation of the National Oral Health Policy.

Methods

The design was based on repeated cross-sectional surveys using secondary data from household-based studies carried out in Brazil in 1998, 2003, 2008, and 2013. The dependent variable was “having access to a dentist appointment at least once in a lifetime (yes/no).” Monthly household per capita income, based on Brazil’s minimum wage, was included as the main independent variable. To measure the inequalities in oral health access related to economic position, the following complex indexes based on regression were used: (a) the slope index of inequality (SII) and (b) the relative index of inequality (RII).

Results

There was a reduction in the percentage of individuals who never had a dentist appointment for all age groups and income classifications. In general, there was a reduction trend in absolute inequality for all age groups (p < 0.001). The relative inequality and reduction trend were different between the age groups studied.

Conclusions

The National Oral Health Policy was very important for expanding free of charge, public access to dental appointment. However, despite policy implementation, there continues to be high levels of inequality in access to dental consultation. Assessing which strategies are necessary to overcome this challenge is discussed.

Time-to-Treatment in Oral Cancer: Causes and Implications for Survival

The purpose of this review was to identify and describe the causes that influence the time-intervals in the pathway of diagnosis and treatment of oral cancer and to assess its impact on prognosis and survival. The review was structured according to the recommendations of the Aarhus statement, considering original data from individual studies and systematic reviews that reported outcomes related to the patient, diagnostic and pre-treatment intervals. The patient interval is the major contributor to the total time-interval. Unawareness of signs and/or symptoms, denial and lack of knowledge about oral cancer are the major contributors to the process of seeking medical attention. The diagnostic interval is influenced by tumor factors, delays in referral due to higher number of consultations and previous treatment with different medicines or dental procedures and by professional factors such as experience and lack of knowledge related to the disease and diagnostic procedures. Patients with advanced stage disease, primary treatment with radiotherapy, treatment at an academic facility and transitions in care are associated with prolonged pre-treatment intervals. An emerging body of evidence supports the impact of prolonged pre-treatment and treatment intervals with poorer survival from oral cancer.

Contextual determinants for use of dental services according to different healthcare financing systems: Andersen's model

OBJECTIVES

To explore contextual factors associated with overall dental service use, and investigate whether these factors influenced choice of the type of service according to the healthcare financing alternatives (public services; out-of-pocket services; and private health insurance), by adults and older individuals, based on the most recent Andersen's behavioural model.

METHODS

Cross-sectional study with individual data on 17,305 adults from 177 Brazilian municipalities in the National Oral Health Survey (SBBrasil 2010). Municipal-level information was obtained from health information systems and census data. Multilevel multinomial logistic regression was carried out for multivariable analysis.

RESULTS

In the previous year, 38.2% of the individuals visited the dentist; of which 21.4% used out-of-pocket spending, 11.6% used public services and 5.2% private dental insurance. Municipalities with population coverage of public primary dental care >80% had higher chances of using public services (OR = 1.28, 95%CI:1.00-1.64) than those with ≤60%, but lower chances of using private insurance (OR = 0.56, 95%CI:0.38-0.83). Municipalities with population coverage of private dental insurance > 5% had lower chances of using public services (OR = 0.62, 95%CI:0.47-0.81) than those with <1% coverage, and greater chances of using private insurance (OR = 4.33, CI:95% 2.02-9.29). These factors were not associated with out-of-pocket dental services.

CONCLUSIONS

Municipal coverage of dental services is associated with dental care use, and this is different according to the type of financing system (public or private), as they may change the individual's choice of service. A large public healthcare system may increase public service use for those with reduced access and decrease private service use.

Use of dental services among middle-aged adults: predisposing, enabling and need variables

OBJECTIVES

To examine if making a visit, number of visits and services varied by predisposing (gender, perceived health competence, education, previous relief of pain visit), enabling (dental anxiety, income, social support) and need (perceived need, number of teeth and oral pain) characteristics.

METHODS

Dental visiting and services data from a sample of middle-aged South Australian adults were collected from 61% of participants at 12-months (n = 603) and 59% after 24-months (n = 583). Visiting over 2-years, mean visits and mean services were analysed by log binomial and Poison regression using the Andersen and Newman model.

RESULTS

The percentage having a dental visit over 2-years was lower for males than females, prevalence ratio (PR, 95% CI) 0.91 (0.84, 0.99), and for higher than lower dental anxiety, PR = 0.78 (0.62, 0.98). Number of visits was associated with higher than lower income, rate ratio (RR, 95%CI) 1.20 (1.02, 1.41) but lower for those with higher social support, RR = 0.86 (0.74, 0.99). Services were lower for those with higher perceived health competence, RR = 0.72 (0.56, 0.92) but higher for those with perceived needs, RR = 1.22 (1.01, 1.46).

CONCLUSIONS

While need and cost factors predict dental service use, psychosocial variables such as health competence and social support also need to be considered.

Prevalence and correlates of dental service utilisation among a national general adult population sample in Sudan

BACKGROUND

Prompt dental service utilisation (DSU) is needed for the prevention and treatment of oral diseases, and it is therefore important to determine the facilitators and barriers of DSU. There is, however, scarce information available on DSU in Sudan. Therefore, this study aimed to investigate the prevalence and associated factors of DSU in a general population-based survey among 18-69 year-old persons in Sudan.

METHODS

Cross-sectional nationally representative data of 7,722 18-69 year-old persons (36 years median age) from the 2016 Sudan Stepwise approach to surveillance (STEPS) survey were analysed. Using questionnaire, anthropometric and biochemical measures, predisposing, enabling and health and lifestyle factors of DSU were assessed. Multinomial logistic regression was conducted to estimate the predictors of DSU (> 12 months and past 12 months, with never DSU as the reference category).

RESULTS

About two-thirds of the participants (64.6%) had never DSU, 22.0% had more than 12-month DSU, and 13.4% had past 12- month DSU. Among those who had ever DSU, the main reason for the last DSU was pain or trouble with teeth, gums, or mouth (66.9%), treatment or follow-up treatment 22.3%, and routine check-up treatment 5.0%. In adjusted multinomial logistic regression analysis, higher education (p < 0.001), urban residence (p < 0.001), screened for blood pressure (p < 0.001), raised total cholesterol (p < 0.05), poor SROH (p < 0.001), pain in teeth or mouth (p < 0.001), and not working because of teeth or mouth (p < 0.01) were positively and not knowing their household income (p < 0.01), high physical activity (p < 0.05), and having 20 or more teeth (p < 0.001), were negatively associated with both > 12 months and past 12 months DSU. Higher household income (p < 0.001), overweight/obesity (p < 0.05), using tooth paste (p < 0.001), and difficulty chewing (p < 0.001), were positively, and male sex (p < 0.01), and teeth cleaning twice or more times a day (p < 0.05), were negatively associated with > 12 months or past 12 months DSU.

CONCLUSION

More than one in ten participants had past 12 months DSU and several factors were detected which could be targeted in intervention activities. Study findings suggest to improve oral health awareness, in particular stressing the relevance of regular dental check-ups, by using different modalities of oral health promotion.

Demographic and socioeconomic inequalities in oral healthcare utilisation in Malaysia: evidence from a national survey

Background

Throughout the years, oral healthcare utilisation in Malaysia has been low despite various efforts by the Ministry of Health Malaysia for improvement. This study aimed to determine the prevalence of oral healthcare utilisation and identify factors associated with oral healthcare utilisation among adults in Malaysia.

Methods

Secondary data analysis of adults aged 18 years and over from the National Health and Morbidity Survey 2019 was conducted in this study. Characteristics of respondents and those who utilised oral healthcare were described using complex sample descriptive statistics. Logistic regression analysis was performed to examine the association between the dependent and independent variables. Dependent variable was oral healthcare utilisation in the last 12 months. Independent variables were demographic and socioeconomic factors (predisposing, enabling and need characteristics) based on Andersen’s Behavioural Model.

Results

A total of 11,308 respondents, estimated to represent 21.7 million adults aged 18 years and over in Malaysia were included in the analysis. Prevalence of oral healthcare utilisation in the last 12 months was 13.2%. Demographic factors of sex, age, marital status, and socioeconomic factors of education level and occupation as well as health belief such as medical check-up were significantly related to oral healthcare utilisation. Enabling factor of household income quintile had significant association with oral healthcare utilisation. Inequalities were observed; females (OR = 1.57, 95% CI = 1.25, 1.96), younger adults (OR = 1.64, 95% CI = 1.15, 2.33), those who were married (OR = 1.65, 95% CI = 1.23, 2.22), those with higher education (OR = 2.21, 95% CI = 1.23, 3.99), those who had medical check-up in the last 12 months (OR = 1.86, 95% CI = 1.53, 2.25) and those with higher income (OR = 1.43, 95% CI = 1.04, 1.96) were more likely to utilise oral healthcare.

Conclusion

Understanding factors associated with utilisation of oral healthcare could help in formulating effective interventions to improve oral healthcare utilisation. Demographic and socioeconomic factors are strong determinants of oral healthcare utilisation in Malaysia. Appropriate interventions to strengthen the existing programmes aimed to promote regular and timely oral health check-ups are needed to improve oral healthcare utilisation.

Improving Oral Health care Using Academic Detailing-Reproducibility and Scalability of the Added Value for Oral Care Field Studies Approach

OBJECTIVES

A proof-of-concept study has shown that the Added Value for Oral Care (ADVOCATE) Field Studies approach (academic detailing with feedback data) is considered a feasible, useful, and acceptable way to motivate general dental practitioners (GDPs) to reflect on and, if required, change their oral health-care delivery. The aims of this proof-of-principle study were to test whether such results were reproducible and to reach consensus among stakeholders on recommendations for wider implementation.

METHODS

Eleven groups of GDPs were recruited in 6 countries (Denmark, England Germany, Hungary, Ireland, and The Netherlands). Each group had 3 academic detailing meetings, being stimulated by feedback data. Focus group interviews were held to evaluate the reproducibility of the Field Studies approach. A World Café session explored suggestions for the wider implementation of the approach.

RESULTS

Replicable results on feasibility, acceptability, and usefulness of the Field Studies approach were seen; 7 out of 9 themes identified in the proof-of-concept study were validated. Directed content analyses identified that adjustments to procedures to collect and present feedback data were desirable. Overall, the approach can stimulate GDPs to reflect on and change aspects of their oral health-care delivery.

CONCLUSIONS

The Field Studies approach, after some adjustments to data collection procedures, is ready for further testing in larger studies.

Epidemiological trends, predictive factors, and projection of tooth loss in Germany 1997-2030: part II. Edentulism in seniors

OBJECTIVE

This is the second part of a report on tooth loss in Germany 1997-2030. Here, we describe trends in the prevalence of edentulism in seniors 1997-2014, assess predictive factors for edentulism, and projected it into 2030.

MATERIAL AND METHODS

We used data from three waves of the cross-sectional, multi-center, nationwide representative German Oral Health Studies. Overall, 3449 seniors (65-74 years) were included (1997: 1367; 2005: 1040; 2016: 1042). Age, sex, educational level, smoking status, and the cohort were entered into age-cohort binary-logistic regression models to assess the association of predictors with edentulism and to project edentulism in 2030 via Monte Carlo simulations.

RESULTS

Between 1997 and 2014, the prevalence of edentulism decreased from 24.8 to 12.4%. With each year of age, the risk of being edentate increased (by 11%, p < 0.001); it was also significantly increased in female versus male (by 40%, p = 0.001), low versus medium and high educational level (up to 257%, p < 0.001), and in former and current smokers (up to 258%, p < 0.001). We predict the prevalence of edentulism to be reduced to 4.2% in 2030. The reduction will be higher in males, never and former smokers, and those with low socio-educational level. On an absolute level and despite a growing elderly population (aged 60-80 years), the number of edentate individuals will have decreased by 3.6 million in 2030 compared with 1997.

CONCLUSIONS

Edentulism in seniors has declined equitably in Germany. The decline is expected to continue until 2030. Further efforts are needed to tackle the underlying risk factors.

CLINICAL RELEVANCE

This study presents trends of edentulism in Germany for a period of three decades. It provides clinically relevant data for health care planning by 2030.

Changes and determinants of unmet oral health treatment need

OBJECTIVES

Our aim was to describe the nature and determinants of the changes in unmet treatment need between the years 2000 and 2011 after a major oral healthcare reform and a wider supply of subsidized care.

METHODS

The study used a longitudinal sample (n = 3838) of adults who had participated in both the Health 2000 and 2011 surveys (BRIF 8901). Those reporting self-assessed treatment need without having visited a dentist in the previous 12 months were categorized as having unmet treatment need. Two logistic regression models were applied to determine the effects of predisposing and enabling factors on change in unmet treatment need. Model 1 was conducted among those who reported unmet treatment need in 2000 and evaluated the determinants for improvement. Model 2 was conducted among those who did not have unmet treatment need in 2000 to evaluate the risk factors for having unmet treatment need by 2011.

RESULTS

Unmet treatment need was reported by 25% of the participants in 2000 and by 20% in 2011. Those with unmet treatment need in 2000 were less likely to report improvement by 2011 if they had poor subjective oral health, basic or intermediate education level, or poor perceived economic situation in 2000. Those who did not have unmet treatment need in 2000 were more likely to have it in 2011 if they were males or from northern Finland and less likely to if they came from central Finland or were older.

CONCLUSIONS

The wider supply of subsidized oral health care during the study years did not lead to complete elimination of treatment need. The determinants of unmet treatment need, such as low or intermediate education level and perceived economic difficulties, should be used in targeting the services at those with treatment need to achieve better oral health outcomes.

Toward Patient-Centered Innovation: A Conceptual Framework for Patient-Reported Outcome Measures for Transformative Kidney Replacement Devices

Individuals with dialysis-dependent kidney failure experience considerable disease- and treatment-related decline in functional status and overall well-being. Despite these experiences, there have been few substantive technological advances in KRT in decades. As such, new federal initiatives seek to accelerate innovation. Historically, integration of patient perspectives into KRT product development has been limited. However, the US Food and Drug Administration recognizes the importance of incorporating patient perspectives into the total product life cycle (i.e., from product conception to postmarket surveillance) and encourages the consideration of patient-reported outcomes in regulatory-focused clinical trials when appropriate. Recognizing the significance of identifying patient-reported outcome measures (PROMs) that capture contemporary patient priorities, the Kidney Health Initiative, a public-private partnership between the American Society of Nephrology and US Food and Drug Administration, convened a workgroup to (1) develop a conceptual framework for a health-related quality of life PROM; (2) identify and map existing PROMs to the conceptual framework, prioritizing them on the basis of their supporting evidence for use in the regulatory environment; and (3) describe next steps for identifying PROMs for use in regulatory clinical trials of transformative KRT devices. This paper summarizes the proposed health-related quality-of-life PROM conceptual framework, maps and prioritizes PROMs, and identifies gaps and future needs to advance the development of rigorous, meaningful PROMS for use in clinical trials of transformative KRT devices.

Geographical and socioeconomic inequalities in dental attendance among children in Peru: Findings from the Demographic and Family Health Survey 2017

OBJECTIVE

The aim of the study was to explore the presence of inequalities in the use of dental services among <12-year-old children residing in Peru, according to their wealth quintile and natural region of residence.

METHODS

This was a cross-sectional secondary data analysis of the 2017 Demographic and Family Health Survey of Peru (n = 39 881 children). Generalized Poisson regression models, adjusted for gender, age, maternal ethnicity, place of residence and health coverage, were used to study the association between wealth quintile and use of dental services followed by stratified models by the natural region (Metropolitan Lima, coast, Andes mountains and jungle) and predicted probability graphs to study the effect of the natural region on inequalities in the use of dental services.

RESULTS

Inequalities in the use of dental services among children were observed according to the wealth quintile and natural region. A social gradient was present in the Andes mountains, coast and jungle regions. The greatest inequalities were observed in the coast (richest vs poorest quintile PR = 1.81 95% CI = 1.56-2.11) and jungle regions (richest vs poorest quintile PR = 1.81 95% CI = 1.53-2.14). The jungle presented the lowest proportion of children using dental services, while Metropolitan Lima had the highest proportion. No significant differences were observed between wealth quintiles among children from Metropolitan Lima.

CONCLUSIONS

Differences in socioeconomic inequalities in the use of dental services among natural regions were observed. The distribution of dental centres and personnel, and the geographical and demographic characteristics of each region, may play an important role in the presence of the inequalities observed.

Postoperative mortality in New Zealand following general anaesthetic: demographic patterns and temporal trends

OBJECTIVES

In this manuscript, we describe broad trends in postoperative mortality in New Zealand (a country with universal healthcare) for acute and elective/waiting list procedures conducted between 2005 and 2017.

DESIGN, PARTICIPANTS AND SETTING

We use high-quality national-level hospitalisation data to compare the risk of postoperative mortality between demographic subgroups after adjusting for key patient-level confounders and mediators. We also present temporal trends and consider how rates in postoperative death following acute and elective/waiting list procedures have changed over this time period.

RESULTS AND CONCLUSION

A total of 1 836 683 unique patients accounted for 3 117 374 admissions in which a procedure was performed under general anaesthetic over the study period. We observed an overall 30-day mortality rate of 0.5 per 100 procedures and a 90-day mortality rate of 0.9 per 100. For acute procedures, we observed a 30-day mortality rate of 1.6 per 100, compared with 0.2 per 100 for elective/waiting list procedures. In terms of procedure specialty, respiratory and cardiovascular procedures had the highest rate of 30-day mortality (age-standardised rate, acute procedures: 3-6 per 100; elective/waiting list: 0.7-1 per 100). As in other contexts, we observed that the likelihood of postoperative death was not proportionally distributed within our population: older patients, Māori patients, those living in areas with higher deprivation and those with comorbidity were at increased risk of postoperative death, even after adjusting for all available factors that might explain differences between these groups. Increasing procedure risk (measured using the Johns Hopkins Surgical Risk Classification System) was also associated with an increased risk of postoperative death. Encouragingly, it appears that risk of postoperative mortality has declined over the past decade, possibly reflecting improvements in perioperative quality of care; however, this decline did not occur equally across procedure specialties.

Measuring and decomposing socioeconomic-related inequality in the use of oral health services among Chinese adults

OBJECTIVES

This study aimed to measure socioeconomic-related inequality and horizontal inequity in the use of oral health services and decompose this inequality among adults of different age groups in China.

METHODS

In total, 10 973 adults (3669 aged 35-44 years, 3767 aged 55-64 years and 3537 aged 65-74 years) who participated in the 4th National Oral Health Survey (2015-2016) in China were included. Concentration curves and the Erreygers-corrected concentration index (EI) were employed to measure socioeconomic-related inequality in the use of oral health services. Then, inequity in this utilization was measured by the horizontal inequity index (HI). Furthermore, decomposition analyses were conducted for the three groups to explain the contributions of income level, need factors (ie self-assessed oral health and evaluated oral health status), other factors (ie sex, residential location, educational attainment level and type of basic insurance) and a residual term to overall inequality in oral health service utilization.

RESULTS

The significant positive EI and HI values indicated that pro-rich inequality and inequity in oral health service utilization exist among Chinese adults. Income and type of basic medical insurance contributed the most to socioeconomic-related inequality in the use of oral health services among adults aged 55-64 and 65-74 years. However, the main driving factors of socioeconomic inequality among adults aged 35-44 years in dental care use included income, educational achievement, type of basic medical insurance and residential location. The need variables accounted for a very small proportion of overall socioeconomic-related inequality in oral health service use in all three groups.

CONCLUSIONS

Oral healthcare service utilization was disproportionately concentrated among better-off Chinese adults. The primary determinants of inequality in dental care use in different age groups provide information for policymakers to create more targeted policies to achieve equity in the oral healthcare system in China.

Discontinued dental care attendance among people with dementia: A register-based longitudinal study

OBJECTIVE

To investigate the factors that increase the risk of discontinuing dental care utilisation after dementia is diagnosed in a population in Stockholm County, Sweden.

BACKGROUND

As the progression of dementia results in a deteriorating ability to maintain good oral health, it is important to identify people at risk of discontinued dental care after being diagnosed with dementia.

MATERIALS AND METHODS

This study is a register-based longitudinal study. Data were extracted from the Swedish Dementia Registry (SveDem), the Swedish National Patient Register, the Dental Health Register and the Municipal Dental Care Register (Stockholm County Council). The data included people using both general public dental services and care-dependent individuals. Dental visits three years before and after dementia had been diagnosed were analysed.

RESULTS

In total, 10 444 people were included in the analysis, of which 19% did not have dental visits recorded after they were diagnosed with dementia. A logistic regression model, adjusted for relevant factors, showed that the factors associated with a greater risk for discontinued dental attendance were fewer remaining teeth (OR = 0.96, 95% CI = 0.95, 0.97) and living alone compared to living with another adult (OR = 1.23, 95% CI = 1.05, 1.43). People with Parkinson's disease dementia had a lower risk (OR = 0.40, 95% CI = 0.19, 0.84) than people with Alzheimer's disease.

CONCLUSION

Patients, dental and healthcare personnel, and family members should all be aware of these risk factors so that appropriate support and oral care for people with dementia can be delivered.

Disparities in Dental Service Utilization among Adults in Chinese Megacities: Do Health Insurance and City of Residence Matter?

The aims of the study were to present the prevalence of dental service utilization among adults (age between 18 and 65) in Chinese megacities and to examine the associations of health insurance and city of residence with dental visits. This study was a cross-sectional analysis of the 2019 New Era and Living Conditions in Megacities Survey data with a sample of 4835 participants aged 18–65 from 10 different megacities in China. The data including gross domestic product (GDP) per capita of each megacity obtained from the National Bureau of Statistics of China as a city-level characteristic. After adjusting sampling weights, approximately 24.28% of the participants had at least one dental visit per year. Findings from multilevel mixed-effects linear models showed that participants residing in megacities with higher GDP per capita (β = 0.07, p < 0.001) who had Urban Employee Basic Medical Insurance (β = 0.25, p < 0.001) or Urban Resident Basic Medical Insurance (β = 0.19, p < 0.01) had more frequent dental visits after adjusting demographic characteristics, socioeconomic status, health status, health behavior and attitude, and oral health indicators. Margins post-estimation model results demonstrated disparities in the predicted probability of having never visited a dentist by types of health insurance and city of residence. In conclusion, the prevalence of dental visits in China was found to be low. This study highlights socioeconomic inequalities in dental service utilization. There is a great need to develop more dental care programs and services and expand health insurance to cover dental care in China.

Determinants of Dental Service Use Based on the Andersen Model: A Study Protocol for a Systematic Review

Introduction: Drawing on the Andersen model, there is a large body of evidence examining the determinants of health care use, such as doctor visits or hospitalization. However, far less is known about the determinants of dental service use, explicitly using the Andersen model. Consequently, the aim of this systematic review is to summarize and critically analyze evidence from observational studies that examine the determinants of dental service use based on the Andersen model. Methods and analysis: The following electronic databases will be searched: PubMed, PsycInfo, and CINAHL. Our main inclusion criterion is: observational studies (cross-sectional and longitudinal) investigating the determinants of dental service use based on the Andersen model. Disease-specific samples will be excluded. Data extraction will concentrate on methods (such as measurement of dental service use), sample characteristics (such as age and gender) and key results. The study quality will be assessed using an appropriate tool. Three steps (selecting the studies, extracting the data and assessment of study conducted) will be performed by two reviewers. The findings will be displayed using figures, summary tables, narrative summaries and meta-analysis (if studies are deemed similar enough and of appropriate quality).

Estrutura dos serviços de saúde bucal ofertados na Atenção Básica no Brasil: diferenças regionais

RESUMO Teve-se por objetivo analisar as condições de acessibilidade, estrutura e oferta de serviços odontológicos de Unidades Básicas de Saúde com Equipe de Saúde Bucal e compará-los entre as regiões geográficas brasileiras. O estudo quantitativo, analítico e transversal utilizou dados secundários referentes aos Módulo I, V e VI da Avaliação Externa do 2º Ciclo do Programa Nacional de Melhoria do Acesso e da Qualidade da Atenção Básica (PMAQ-AB) (2013-2014). A análise descritiva foi realizada por frequências absolutas (n) e relativas (%), e houve comparação entre regiões brasileiras pelo teste qui-quadrado com uso do Teste Z ajustado pelo método Bonferroni (p<0,05). A amostra foi constituída por 24.056 Unidades Básicas de Saúde, nas quais atuavam 29.778 Equipes de Atenção Básica; destas, 16.203 (67,3%) possuíam serviços odontológicos e abrigavam 18.119 Equipes de Saúde Bucal. De maneira geral, as Unidades Básicas de Saúde apresentavam boa estrutura física, porém, baixa acessibilidade para pessoas com deficiência. Os consultórios odontológicos apresentavam estrutura física adequada e equipamentos, instrumentos e insumos odontológicos suficientes. No entanto, exibiam alta proporção na oferta de serviço mutiladores em comparação a procedimentos que evitariam as extrações dentárias, e baixa oferta de referência especializada. Além disso, houve evidenciadas desigualdades regionais, favoráveis às regiões Sul e Sudeste.

Regular use of dental services among university students in southern Brazil

OBJECTIVE

To verify the prevalence and factors associated with regular use of dental services in university students of the Universidade Federal de Pelotas (UFPel).

METHODS

This cross-sectional study interviewed 1,865 students aged 18 years or older, starting bachelor’s degrees in 2017, enrolled in the second academic semester of 2017 and in the first of 2018 in classroom courses at UFPel. We considered regular users those who reported regularly going to the dentist with or without perceived dental problems. To test factors associated with regular use of dental services, demographic, socioeconomic and oral health variables were collected. Statistical analyses were based on Poisson regression models.

RESULTS

The prevalence of regular use of dental services was 45.0% (95%CI 42.7–47.3). University students of high economic class (PR = 1.47; 95%CI 0.91–2.36), with last private dental appointment (PR = 1.29; 95%CI 1.03–1.61), positive self-perception of oral health (PR = 2.33; 95%CI 1.79–3.03) and no report of toothache in the last six months (PR = 1.22; 95%CI 1.03–1.45) showed higher prevalence of regular use of dental services.

CONCLUSION

The results point to inequalities in the regular use of dental services related to socioeconomic factors and a lower use among university students with worse oral health conditions. These results suggest that public health prevention and promotion policies in higher education institutions must be carried out to ensure quality of life among these young adults.

Inequality in dental expenditures among Iranian households: A cross-sectional survey using the National Health Accounts

BACKGROUND

Recently, inequality in dental care has become increasingly popular in both developed and developing countries as a matter of health policy. Thus, the aims of this study were examining inequality in dental care expenditures and assessing the effects of insurance coverage and other variables on these services.

MATERIALS AND METHODS

In this cross-sectional and descriptive-analytical study, we used secondary data of the National Health Accounts that has been conducted in 2008 in Iran. The sample size was 17,239 households in all over the country. All analyses were performed by Stata software using Mann-Whitney test and logistic regression. P < 0.05 was considered statistically significant. To determine inequality in dental services, the concentration index (CI) was used.

RESULTS

CI for total dental expenditures was 0.315 and for orthodontics was 0.6. Findings showed that out-of-pocket expenditure for dental care was progressive and there was a significant relationship between total dental expenditure with residence areas (odds ratio [OR] =1.3; P > 0.001), complementary insurance coverage (OR = 1.3; P > 0.001), family size (OR = 1.46; P > 0.001), and income (OR = 1.3; P > 0.001).

CONCLUSION

Dental expenditures were progressive in Iran, and the rich have paid more share for these services. It seems that implementing insurance programs, changes in the financing of dental care, development of insurance basic benefits package, supporting programs for the poor, adopting educational policies, and promoting oral health for vulnerable people can have an effective role in decreasing inequality in using dental services.

Is the technical quality of root fillings associated with socioeconomic status? A cross-sectional study among Finnish adults

We investigated differences in the technical quality of root fillings according to socioeconomic status. In the Finnish Health 2000 Survey, which comprised a sample of 8,028 adults aged over 29 yr, 6,115 underwent panoramic radiography. A total of 7,986 endodontically treated teeth were detected among 3,095 participants. The criterion for a technically inadequate root filling was a distance from the root filling to the root apex of over 3 mm or a filling extruding beyond the apex. Educational level, employment status, and income were the measures of socioeconomic status. Differences in the frequency of inadequate root fillings according to socioeconomic status were investigated using a multilevel logistic mixed-effects model taking into account age, gender, number of teeth, and type of root filled tooth. Almost half (46%) of the root fillings were inadequate. Among the over 64-yr-olds, higher education and higher income were associated with a higher probability of having an inadequate root filling. Among the under 65-yr-olds, socioeconomic status was not associated with root filling quality. Contrary to expectation, lower socioeconomic status was not associated with poorer endodontic treatment quality; however, higher income and higher education was associated with higher odds for inadequate root fillings among the over 64-yr-olds.

A Century of Change towards Prevention and Minimal Intervention in Cariology

Better understanding of dental caries and other oral conditions has guided new strategies to prevent disease and manage its consequences at individual and public health levels. This article discusses advances in prevention and minimal intervention dentistry over the last century by focusing on some milestones within scientific, clinical, and public health arenas, mainly in cariology but also beyond, highlighting current understanding and evidence with future prospects. Dentistry was initially established as a surgical specialty. Dental caries (similar to periodontitis) was considered to be an infectious disease 100 years ago. Its ubiquitous presence and rampant nature-coupled with limited diagnostic tools and therapeutic treatment options-meant that these dental diseases were managed mainly by excising affected tissue. The understanding of the diseases and a change in their prevalence, extent, and severity, with evolutions in operative techniques, technologies, and materials, have enabled a shift from surgical to preventive and minimal intervention dentistry approaches. Future challenges to embrace include continuing the dental profession's move toward a more patient-centered, evidence-based, less invasive management of these diseases, focused on promoting and maintaining oral health in partnership with patients. In parallel, public health needs to continue to, for example, tackle social inequalities in dental health, develop better preventive and management options for existing disease risk groups (e.g., the growing aging population), and the development of reimbursement and health outcome models that facilitate implementation of these evolving strategies. A century ago, almost every treatment involved injections, a drill or scalpel, or a pair of forceps. Today, dentists have more options than ever before available to them. These are supported by evidence, have a minimal intervention focus, and result in better outcomes for patients. The profession's greatest challenge is moving this evidence into practice.

Factors associated with the needs of specialised dental treatment among adults aged 35-44 years old in the state of Minas Gerais, Brazil: a multilevel cross-sectional study

This study evaluated the individual and contextual factors associated with the specialised dental treatment needs of a population of adults aged 35 to 44 years old in the state of Minas Gerais. The individual variables were obtained from the database of the SB Minas Gerais project - a survey of oral health status of the population of Minas Gerais, Brazil. The variables at the municipal level were derived from any available public databases related to oral health services. A multilevel analysis was performed to evaluate the association of independent individuals and contextual variables with or without dental treatment needs in the secondary care of the oral health network. Individuals with a higher income (OR 0.53; CI95% 0.31-0.93) and with greater access to oral health care (OR 0.94; CI95% 0.90-0.99) had less secondary care treatment needs. Income and access to oral health care are related to the needs of specialised dental treatment in Minas Gerais.

The association between mastication and mild cognitive impairment in Korean adults

Currently, a few of studies revealed that there is an association between mastication and cognitive impairment. There is no study of Korean adult representative samples in relation to mastication and cognitive decline. This study was to investigate the relationship between mastication and mild cognitive impairment in Korean adults.A population-based cross-sectional study was conducted in which a total of 7029 subjects (2987 men and 4042 women) over 45 years old were surveyed from the Korea Longitudinal Study on Aging (KLoSA), Round 5th survey. Logistic regression analysis was performed for the study data controlling for confounding factors such as age, gender, education, income, smoking, drinking, exercise, wearing denture, and the number of chronic diseases.Decreased chewing function is associated with mild cognitive impairment (odds ratio [OR] = 3.24, 95% confidence interval [CI] = 2.67-3.93) after controlling for confounding variables. In the participants who did not wear dentures, the reduction of chewing function was strongly correlated with mild cognitive impairment (OR = 3.97, 95% CI = 3.11-5.08).Mastication was associated with mild cognitive impairment. To prevent cognitive decline, health specialists should pay more attention to the decline of the mastication in people without dentures.

Covid-19 Testing, Hospital Admission, and Intensive Care Among 2,026,227 United States Veterans Aged 54-75 Years

IMPORTANCE

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection causes coronavirus disease 2019 (Covid-19), an evolving pandemic. Limited data are available characterizing SARS-Cov-2 infection in the United States.

OBJECTIVE

To determine associations between demographic and clinical factors and testing positive for coronavirus 2019 (Covid-19+), and among Covid-19+ subsequent hospitalization and intensive care.

DESIGN, SETTING, AND PARTICIPANTS

Retrospective cohort study including all patients tested for Covid-19 between February 8 and March 30, 2020, inclusive. We extracted electronic health record data from the national Veterans Affairs Healthcare System, the largest integrated healthcare system in the United States, on 2,026,227 patients born between 1945 and 1965 and active in care. Exposures: Demographic data, comorbidities, medication history, substance use, vital signs, and laboratory measures. Laboratory tests were analyzed first individually and then grouped into a validated summary measure of physiologic injury (VACS Index). Main Outcomes and Measures: We evaluated which factors were associated with Covid-19+ among all who tested. Among Covid-19+ we identified factors associated with hospitalization or intensive care. We identified independent associations using multivariable and conditional multivariable logistic regression with multiple imputation of missing values.

RESULTS

Among Veterans aged 54-75 years, 585/3,789 (15.4%) tested Covid-19+. In adjusted analysis (C-statistic=0.806) black race was associated with Covid-19+ (OR 4.68, 95% CI 3.79-5.78) and the association remained in analyses conditional on site (OR 2.56, 95% CI 1.89-3.46). In adjusted models, laboratory abnormalities (especially fibrosis-4 score [FIB-4] >3.25 OR 8.73, 95% CI 4.11-18.56), and VACS Index (per 5-point increase OR 1.62, 95% CI 1.43-1.84) were strongly associated with hospitalization. Associations were similar for intensive care. Although significant in unadjusted analyses, associations with comorbid conditions and medications were substantially reduced and, in most cases, no longer significant after adjustment.

CONCLUSIONS AND RELEVANCE

Black race was strongly associated with Covid-19+, but not with hospitalization or intensive care. Among Covid-19+, risk of hospitalization and intensive care may be better characterized by laboratory measures and vital signs than by comorbid conditions or prior medication exposure.