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Xu HR, Zhang YH, Ngo TL, Yang QH, Du SH, Wang XQ. Association between smoking and incident back pain: A prospective cohort study with 438 510 participants. J Glob Health 2023; 13:04152. [PMID: 37988369 PMCID: PMC10663706 DOI: 10.7189/jogh.13.04152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023] Open
Abstract
Background Although smoking is a known potential contributor to back pain, there is still a lack of quantitative studies on the effects of different doses on back pain (BP) occurrence, including a lack of a longitudinal cohorts. To address this gap, we aimed to investigate the association between various smoking-related exposures and back pain incidence to advance global efforts toward smoking cessation and guide primary prevention of BP. Methods In this prospective cohort study, we retrieved data on 438 510 patients from the UK Biobank who were free of back pain and who were recruited in 2006-2010, and followed them up from baseline through 1 April 2022. We extracted data on smoking-related exposures, including smoking status (SS), number of cigarettes smoked daily (CPD), and pack-years of own smoking (PY) and examined back pain incidence as an outcome. We used a Cox proportional hazard model adjusted for several covariates, multiple imputation methods, and population attribution fraction. Results During the median follow-up of 12.98 years, 31 467 participants developed BP, with incidence rates in former and current smokers of 1.13 (95% confidence interval (CI) = 1.10-1.16, P < 0.000) and 1.50 (95% CI = 1.45-1.56, P < 0.000), respectively. The hazard ratios (HRs) of participants who smoked more than 30 CPD and those with more than 30 PY were 1.45 (95% CI = 1.36-1.55, P < 0.000) and 1.45 (95% CI = 1.40-1.50, P < 0.000), respectively. Relative to male, female smokers were at more risk of developing BP. Not smoking, quitting smoking, and reducing CPD and PY could lower the BP risk by 7.8%, 5.4%, 9.8%, and 18.0%, respectively. Conclusions Ever smoking, higher cigarette consumption daily, and increased smoking intensity were associated with an increased BP risk. This association was stronger in female smokers. Not smoking, smoking cessation, and reducing smoking volume and intensity were effective measures to prevent BP occurrence.
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Affiliation(s)
- Hao-Ran Xu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Yong-Hui Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Thanh Luan Ngo
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Qi-Hao Yang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Shu-Hao Du
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xue-Qiang Wang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
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Tan SB. Changes in neighborhood environments and the increasing socioeconomic gap in child obesity risks: Evidence from Singapore. Health Place 2022; 76:102860. [PMID: 35863272 DOI: 10.1016/j.healthplace.2022.102860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/12/2022] [Accepted: 06/27/2022] [Indexed: 11/26/2022]
Abstract
Most empirical research studying the link between neighborhood environments and child obesity risks are conducted in contexts such as the U.S., with pronounced patterns of residential segregation, making it difficult to extrapolate how far built environment characteristics contribute to socioeconomic disparities in obesity risks in less segregated contexts. Using a large national dataset of almost 625,000 students' height and weight data collected at ages 7, 11 and 14, between 2004 and 2015, this paper explores whether differences in eight neighborhood characteristics measuring access to different type of food outlets, parks and other active spaces, and public transport infrastructure might be responsible for socioeconomic differences in child obesity risks in Singapore, a city-state with relatively low levels of residential segregation. Through descriptive analyses we find that socioeconomic disparities in child BMIz in Singapore widened from 2004 onwards. However, while longitudinal regression models with individual and time fixed effects suggest that family socioeconomic status modified the relationship between environmental exposures and BMIz, there does not seem to be a clear, unequivocal relationship between built environment changes and the observed widening of the socioeconomic obesity gap.
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Affiliation(s)
- Shin Bin Tan
- Lee Kuan Yew School of Public Policy, National University of Singapore, 469C Bukit Timah Rd, National University of Singapore, 259772, Singapore; Department of Urban Studies and Planning, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA.
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Wang P, Abdin E, Asharani P, Seet V, Devi F, Roystonn K, Lee YY, Cetty L, Teh WL, Verma S, Mok YM, Subramaniam M. Nicotine Dependence in Patients with Major Depressive Disorder and Psychotic Disorders and Its Relationship with Quality of Life. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182413035. [PMID: 34948665 PMCID: PMC8701186 DOI: 10.3390/ijerph182413035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/07/2021] [Indexed: 11/16/2022]
Abstract
The aim of the current study was to examine the associations between nicotine dependence and quality of life (QOL) among individuals diagnosed with major depressive disorder (MDD) or psychotic disorders. Methods: A total of 378 participants diagnosed with either MDD or psychotic disorders were recruited. The Fagerstorm Test for Nicotine Dependence was used to measure the level of nicotine dependence. The SF-12 health survey questionnaire was used to measure the QOL. Results: The prevalence of nicotine dependence was 23.3% in this sample population. For those diagnosed with MDD, moderate level of nicotine dependence was negatively associated with Vitality and Mental Component Score. For those diagnosed with a psychotic disorder high nicotine dependence was negatively associated with Role Emotional, Mental Health and Mental Component Score. Discussion: Compared to the general population, the prevalence of smoking in this psychiatric population was 2.4 times higher, while that of nicotine dependence was seven times higher. Individuals with psychotic disorder generally reported better QOL as compared to individuals with MDD. QOL differed across diagnostic groups with regards to socio-demographics, such as age, ethnicity, marital status, education, employment status and monthly income. Among individuals with MDD and psychotic disorders, different levels of nicotine dependence resulted in different levels of association with QOL. More research is needed to better understand the differences in QOL among the varying levels of nicotine dependence.
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Affiliation(s)
- Peizhi Wang
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
- Correspondence:
| | - Edimansyah Abdin
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - P.V. Asharani
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Vanessa Seet
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Fiona Devi
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Kumarasan Roystonn
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Ying Ying Lee
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Laxman Cetty
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Wen Lin Teh
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
| | - Swapna Verma
- Early Psychosis Intervention Programme, Institute of Mental Health, Singapore 539747, Singapore;
- Office of Education, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore
| | - Yee Ming Mok
- Department of Mood and Anxiety, Institute of Mental Health, Buangkok Green Medical Park, 10 Buangkok View, Singapore 539747, Singapore;
| | - Mythily Subramaniam
- Research Division, Institute of Mental Health, Buangkok Green Medical Park, 10 Bunagkok View, Singapore 539747, Singapore; (E.A.); (P.V.A.); (V.S.); (F.D.); (K.R.); (Y.Y.L.); (L.C.); (W.L.T.); (M.S.)
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Serum free thiols predict cardiovascular events and all-cause mortality in the general population: a prospective cohort study. BMC Med 2020; 18:130. [PMID: 32456645 PMCID: PMC7251849 DOI: 10.1186/s12916-020-01587-w] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/06/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Serum free thiols (R-SH, sulfhydryl groups) reliably reflect systemic oxidative stress. Since serum free thiols are rapidly oxidized by reactive species, systemic oxidative stress is generally associated with reduced serum free thiol levels. Free thiols associate with favorable disease outcomes in many patient cohorts, and the current hypothesis is that oxidative stress might also play an important role in cardiovascular disease. In this study, we aimed to establish the role of serum free thiols in the general population by investigating their relationship with the risk of cardiovascular (CV) events and all-cause mortality. METHODS Participants (n = 5955) of the Prevention of REnal and Vascular ENd-stage Disease (PREVEND) cohort study from the general population were included. At baseline, serum levels of free thiols were quantified and adjusted to total protein levels. Protein-adjusted serum free thiol levels were studied for their associations with clinical and biochemical parameters, as well as with the risk of CV events and all-cause mortality. RESULTS The mean protein-adjusted serum free thiol level was 5.05 ± 1.02 μmol/g of protein. Protein-adjusted serum free thiols significantly predicted the risk of CV events, even after adjustment for potential confounding factors (hazard ratio [HR] per doubling 0.68 [95% confidence interval [CI] 0.47-1.00], P = 0.048). Similarly, protein-adjusted serum free thiols were significantly predictive of the risk of all-cause mortality (HR per doubling 0.66 [95% CI 0.44-1.00], P = 0.050). Stratified analyses revealed lower HRs for subjects with a lower body mass index (BMI), without hypertension, and without diabetes. Conversely, HRs were lower in subjects with albuminuria. CONCLUSIONS In this large population-based cohort study, serum free thiols significantly predicted the risk of CV events and all-cause mortality. Our results highlight the potential significance and clinical applicability of serum free thiols since they are amendable to therapeutic intervention.
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Sermondade N, Huberlant S, Bourhis-Lefebvre V, Arbo E, Gallot V, Colombani M, Fréour T. Female obesity is negatively associated with live birth rate following IVF: a systematic review and meta-analysis. Hum Reprod Update 2020; 25:439-451. [PMID: 30941397 DOI: 10.1093/humupd/dmz011] [Citation(s) in RCA: 195] [Impact Index Per Article: 48.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/19/2019] [Accepted: 02/28/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND A worldwide increase in the prevalence of obesity has been observed in the past three decades, particularly in women of reproductive age. Female obesity has been clearly associated with impaired spontaneous fertility, as well as adverse pregnancy outcomes. Increasing evidence in the literature shows that obesity also contributes to adverse clinical outcomes following in vitro fertilization (IVF) procedures. However, the heterogeneity of the available studies in terms of populations, group definition and outcomes prevents drawing firm conclusions. A previous meta-analysis published in 2011 identified a marginal but significant negative effect of increased female body mass index (BMI) on IVF results, but numerous studies have been published since then, including large cohort studies from national registries, highlighting the need for an updated review and meta-analysis. OBJECTIVE AND RATIONALE Our systematic review and meta-analysis of the available literature aims to evaluate the association of female obesity with the probability of live birth following IVF. Subgroup analyses according to ovulatory status, oocyte origin, fresh or frozen-embryo transfer and cycle rank were performed. SEARCH METHODS A systematic review was performed using the following key words: ('obesity', 'body mass index', 'live birth', 'IVF', 'ICSI'). Searches were conducted in MEDLINE, EMBASE, Cochrane Library, Eudract and clinicaltrial.gov from 01 January 2007 to 30 November 2017. Study selection was based on title and abstract. Full texts of potentially relevant articles were retrieved and assessed for inclusion by two reviewers. Subsequently, quality was assessed using the Newcastle-Ottawa Quality Assessment Scales for patient selection, comparability and assessment of outcomes. Two independent reviewers carried out study selection and data extraction according to Cochrane methods. Random-effect meta-analysis was performed using Review Manager software on all data (overall analysis), followed by subgroup analyses. OUTCOMES A total of 21 studies were included in the meta-analysis. A decreased probability of live birth following IVF was observed in obese (BMI ≥ 30 kg/m2) women when compared with normal weight (BMI 18.5-24.9 kg/m2) women: risk ratio (RR) (95% CI) 0.85 (0.82-0.87). Subgroups analyses demonstrated that prognosis was poorer when obesity was associated with polycystic ovary syndrome, while the oocyte origin (donor or non-donor) did not modify the overall interpretation. WIDER IMPLICATIONS Our meta-analysis clearly demonstrates that female obesity negatively and significantly impacts live birth rates following IVF. Whether weight loss can reverse this deleterious effect through lifestyle modifications or bariatric surgery should be further evaluated.
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Affiliation(s)
- Nathalie Sermondade
- Service de Biologie de la Reproduction, Hôpital Tenon, Hôpitaux Universitaires Est Parisien, Assistance Publique-Hôpitaux de Paris, PARIS, France
| | - Stéphanie Huberlant
- Département de Gynécologie Obstétrique et Médecine de la Reproduction, CHU Carémeau, NIMES, France
| | | | | | - Vanessa Gallot
- Service de Médecine de la Reproduction et Préservation de la Fertilité, Hôpital Antoine Béclère, Assistance Publique-Hôpitaux de Paris, Clamart, France
| | | | - Thomas Fréour
- Service de biologie et médecine de la reproduction, CHU de Nantes, NANTES 44093, France-Faculté de médecine, Université de Nantes, France-INSERM UMR1064, Nantes, France
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Association between overweight, obesity and incidence of advanced dental caries in South Korean adults: A 10-year nationwide population-based observational study. PLoS One 2020; 15:e0229572. [PMID: 32107502 PMCID: PMC7046206 DOI: 10.1371/journal.pone.0229572] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 02/10/2020] [Indexed: 12/25/2022] Open
Abstract
The objective of this study was to evaluate the association between overweight, obesity and the incidence of advanced dental caries in South Korean adults, using alternate measures. The participants included 376,077 people aged 20 years and older who had health examination at least one time between 2005 and 2008. This evaluation is based on a change of body mass index (BMI) category, for 10 years, using a nationally representative data resource available from the National Health Insurance System. Instead of using decayed, missing, and filled teeth (DMFT), the diagnostic codes which indicate dental caries, pulpal disease and visiting frequency at dental health professionals were used in this case. A multivariate adjusted Cox regression analysis was performed to examine the association between advanced dental caries and BMI. In addition to the BMI, a multivariate analysis of gender, age, lifestyle behaviors and systemic disease information was included. To this end, the hazard ratio (HR) and 95% confidence interval (CI) were calculated. Chiefly, it is noted that the overweight and obese people were more likely to develop advanced dental caries independent of the noted variables. The positive association between high BMI and incidence of advanced dental caries was more prominent in the population's characteristic of people who were in a classification of the elderly and women. Among the health and lifecycle behaviors, smoking or not was found to be one of the factors affecting the results. The alternate method used in this study showed that being overweight and obesity had a direct association with the incidence of advanced dental caries in Korean adults.
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Natsis M, Antza C, Doundoulakis I, Stabouli S, Kotsis V. Hypertension in Obesity: Novel Insights. Curr Hypertens Rev 2019; 16:30-36. [PMID: 30987571 DOI: 10.2174/1573402115666190415154603] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 04/01/2019] [Accepted: 04/02/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND The relationship between obesity and hypertension has been established in both adults and children. The combination of obesity, hypertension and other cardiovascular risk factors significantly increases the likelihood of adverse cardiovascular effects and raises concerns about aggressive treatment strategies. OBJECTIVE Despite the impressive elements which indicate an important role for excessive weight gain in increasing blood pressure, not all obese patients are hypertensive. A subgroup of obese people may not develop hypertension. Furthermore, masked hypertension occurs more common among obese patients, and body fat distribution has a major role in the development of hypertension. METHOD We conducted a research of the relevant literature regarding obesity-induced hypertension and possible treatment strategies. RESULTS Successful weight loss is correlated with blood pressure reduction and requires a multidisciplinary approach that includes personalized dietary interventions combined with regular exercise and cognitive behavioral therapy. CONCLUSION Pharmacological therapy may be considered as part of a comprehensive obesity management strategy. More research and new treatment therapies are required in this field.
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Affiliation(s)
- Michail Natsis
- 3rd Department of Internal Medicine, Hypertension-24h ABPM ESH Center of Excellence, Papageorgiou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Christina Antza
- 3rd Department of Internal Medicine, Hypertension-24h ABPM ESH Center of Excellence, Papageorgiou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Doundoulakis
- 3rd Department of Internal Medicine, Hypertension-24h ABPM ESH Center of Excellence, Papageorgiou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stella Stabouli
- 1st Department of Pediatrics, Hippokration Hospital, Thessaloniki, Greece
| | - Vasilios Kotsis
- 3rd Department of Internal Medicine, Hypertension-24h ABPM ESH Center of Excellence, Papageorgiou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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