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Sharma V, O'Sullivan M, Cassetti O, Winning L, O'Sullivan A, Crowe M. Evaluating the harmonization potential of oral health-related questionnaires in national longitudinal birth and child cohort surveys. J Public Health Dent 2024. [PMID: 38953657 DOI: 10.1111/jphd.12632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 04/16/2024] [Accepted: 06/14/2024] [Indexed: 07/04/2024]
Abstract
BACKGROUND/OBJECTIVES Effective use of longitudinal study data is challenging because of divergences in the construct definitions and measurement approaches over time, between studies and across disciplines. One approach to overcome these challenges is data harmonization. Data harmonization is a practice used to improve variable comparability and reduce heterogeneity across studies. This study describes the process used to evaluate the harmonization potential of oral health-related variables across each survey wave. METHODS National child cohort surveys with similar themes/objectives conducted in the last two decades were selected. The Maelstrom Research Guidelines were followed for harmonization potential evaluation. RESULTS Seven nationally representative child cohort surveys were included and questionnaires examined from 50 survey waves. Questionnaires were classified into three domains and fifteen constructs and summarized by age groups. A DataSchema (a list of core variables representing the suitable version of the oral health outcomes and risk factors) was compiled comprising 42 variables. For each study wave, the potential (or not) to generate each DataSchema variable was evaluated. Of the 2100 harmonization status assessments, 543 (26%) were complete. Approximately 50% of the DataSchema variables can be generated across at least four cohort surveys while only 10% (n = 4) variables can be generated across all surveys. For each survey, the DataSchema variables that can be generated ranged between 26% and 76%. CONCLUSION Data harmonization can improve the comparability of variables both within and across surveys. For future cohort surveys, the authors advocate more consistency and standardization in survey questionnaires within and between surveys.
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Affiliation(s)
- Vinay Sharma
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Michael O'Sullivan
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Oscar Cassetti
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Lewis Winning
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Aifric O'Sullivan
- Institute of Food and Health, Science Centre, South, UCD, Dublin, Ireland
| | - Michael Crowe
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
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Senevirathna L, Ratnayake HE, Jayasinghe N, Gao J, Zhou X, Nanayakkara S. Water fluoridation in Australia: A systematic review. ENVIRONMENTAL RESEARCH 2023; 237:116915. [PMID: 37598841 DOI: 10.1016/j.envres.2023.116915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 08/03/2023] [Accepted: 08/16/2023] [Indexed: 08/22/2023]
Abstract
Water fluoridation is considered a safe and effective public health strategy to improve oral health. This review aimed to systematically summarize the available evidence of water fluoridation in Australia, focusing on the history, health impacts, cost effectiveness, challenges, and limitations. A systematic search was conducted on the Ovid Medline, Web of Science, Scopus, ProQuest Central, Cinahl, and Informit databases to identify literature on water fluoridation in Australia. A grey literature search and backward snowballing were used to capture additional literature. Primary studies, reviews, letters, and opinion papers were included in the quantitative analysis and summarized based on the year of publication and geographical location. The data were extracted from primary studies and summarized under three subheadings: history, community health impacts and the limitations and challenges. Water fluoridation in Australia was first implemented in 1953 in Tasmania. Most states and territories in Australia embraced water fluoridation by 1977 and currently, 89% of the Australian population has access to fluoridated drinking water. Studies report that water fluoridation has reduced dental caries by 26-44% in children, teenagers, and adults, benefiting everyone regardless of age, income, or access to dental care. It has been recognized as a cost-effective intervention to prevent dental caries, especially in rural and low-income areas. Water fluoridation as a public health measure has faced challenges, including political and public opposition, implementation and maintenance costs, access and equity, communication and education, and ethical concerns. Variations in research activities on water fluoridation across Australian states and territories over the last seven decades can be due to several factors, including the time of implementation, funding, and support. Ongoing monitoring and research to review and update optimal fluoride levels in drinking water in Australia is warranted to ensure sustainable benefits on oral health while preventing any adverse impacts.
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Affiliation(s)
- Lalantha Senevirathna
- CSU Engineering, School of Computing, Mathematics and Engineering, Charles Sturt University, Bathurst, Australia; Gulbali Institute for Agriculture, Water and Environment, Charles Sturt University, Albury, Australia
| | | | - Nadeeka Jayasinghe
- CSU Engineering, School of Computing, Mathematics and Engineering, Charles Sturt University, Bathurst, Australia
| | - Jinlong Gao
- School of Dentistry, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia; Institute of Dental Research, Westmead Centre for Oral health, Westmead Hospital, Westmead, Australia
| | - Xiaoyan Zhou
- School of Dentistry, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia; Institute of Dental Research, Westmead Centre for Oral health, Westmead Hospital, Westmead, Australia
| | - Shanika Nanayakkara
- School of Dentistry, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia; Institute of Dental Research, Westmead Centre for Oral health, Westmead Hospital, Westmead, Australia.
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Stormon N, Sexton C. Parental recall bias in observational studies: Child dental service use. Int J Paediatr Dent 2023; 33:450-456. [PMID: 36692191 DOI: 10.1111/ipd.13051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/19/2022] [Accepted: 01/19/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND Parents are frequently used to recall events of exposure and disease as a proxy for their children in observational health research. AIM To assess the validity of parental recall of children's utilisation of dental services. DESIGN Parents in the Longitudinal Study of Australian Children (LSAC) were asked to recall their children's overall dental service use in the previous year and whether the study child had received fillings or extractions due to decay in the previous 2 years. True positives were identified through parents who correctly recalled child dental service utilisation with actual dental treatment received in a linked dataset. RESULTS Of the 10 090 participants from the LSAC, 1290 study children had linked dental treatment data eligible for inclusion in this study. The absolute true-positive rate for parental recall of dental service use in the previous year was 82% (n = 1263). Overall true-positive percentages were lower for recall of fillings (40%) and extractions (7%) in the previous 2 years. Increasing number of recall days was associated with the rate of true-positive recall adjusted for other factors in all three models. CONCLUSION Accuracy of parental recall for tooth fillings and extractions was low. The use of parental recall for specific dental treatment over a time span of 2 years in further research is not recommended.
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Affiliation(s)
- Nicole Stormon
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Christopher Sexton
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, Queensland, Australia
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Stormon N, Clifford S, Lange K, Mangoyana C, Ford P, Wake M, Lalloo R. Oral health: Epidemiology and concordance in Australian children and parents. Community Dent Oral Epidemiol 2021; 50:260-269. [PMID: 34050542 DOI: 10.1111/cdoe.12662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/01/2021] [Accepted: 05/10/2021] [Indexed: 12/01/2022]
Abstract
INTRODUCTION Studying parent-child pair health provides the opportunity to identify risk factors and opportunities for oral health prevention and intervention focusing on the family context. The aim of this study was to describe the oral health of children aged 11-12 years and their parents in a national sample of parent-child dyads in Australia. METHODS The Child Health CheckPoint is a study of 11 to 12-year-old children and one parent nested within the Longitudinal Study of Australian Children, a nationally representative cohort study. In 2015-16, the study collected two-dimensional photographic intra-oral images and was scored using visual assessments of the teeth, oral hygiene and malocclusion. RESULTS Of the 1874 CheckPoint families, 1396 biological parent-child pairs had at least one oral health measure recorded. Over two-thirds of children had moderate to severe gingival inflammation (69.7%, 95%CI 64.7-74.9). Parents had a lower proportion of poor oral hygiene (2.1%, 95% CI 1.4-3.0) than children (13.0%, 95% CI 11.3-14.9). High concordance was seen in the Modified Gingival Index correlation coefficient 0.49 (95%CI 0.44-0.53). CONCLUSION The high concordance in gingival health between child-parent pairs supports the familial and behavioural links established in previous studies. Children had poorer oral hygiene but fewer visible dental caries lesions than their parents. As dental caries is a chronic and cumulative disease, preventive interventions targeting children's oral hygiene are needed.
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Affiliation(s)
- Nicole Stormon
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Susan Clifford
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Katherine Lange
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Clare Mangoyana
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Pauline Ford
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Melissa Wake
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Ratilal Lalloo
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, QLD, Australia
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Stormon N, Ford PJ, Lalloo R. Community-level predictors of Australian children's dental caries and injury. Aust Dent J 2019; 64:263-272. [PMID: 31264710 DOI: 10.1111/adj.12706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND Social determinants of oral health are complex and have been described by conceptual frameworks. A widely embraced model of children's oral health was published by Fisher-Owens et al. (2007), identifying theoretical constructs influencing oral health. The current study aimed to investigate community-level constructs described in the conceptual model. METHODS The Longitudinal Study of Australian Children is a cross-sequential dual cohort study, with a representative sample (n = 10090) of Australian children. Generalized estimating equations were applied to model seven waves of carer-reported oral health and community measures. RESULTS In the final model, children living in Queensland had a 1.48 (CI 1.35-1.62) increased odds of dental caries over time. Children in low socio-economic status (SES) areas (OR 1.32 CI 1.20-1.44) had an increased odds of caries. The state of Queensland (OR 1.24 CI 1.05-1.46) and poor neighbourhood liveability (OR 1.17 CI 1.05-1.31) were predictors of dental injury. CONCLUSION By modelling available community measures, this study found SES and rurality were predictors of caries over childhood. Our results highlight the difficulty of applying conceptual models to oral health. The use of qualitative studies and realist reviews should be considered to complement statistical models to provide contextualized insights into funding, policy and service delivery on children's oral health.
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Affiliation(s)
- N Stormon
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - P J Ford
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - R Lalloo
- School of Dentistry, UQ Oral Health Centre, The University of Queensland, Brisbane, Queensland, Australia
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