ArticleBMC oral health2023
Decomposing socioeconomic inequalities in dental caries among Chinese adults: findings from the 4th national oral health survey.
Article in BMC oral health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
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12 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.
- Dental Caries Experience in Older Adults With Parkinson's Disease: A Systematic Review and Meta-Analysis.Special care in dentistry : official publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric DentistryPooled it
- Self-Efficacy, Psychological State, Oral Health Behaviour, and Oral Health-Related Quality of Life in Chinese Patients With Periodontal Disease.International dental journal · 2026Article
- Trends in dental caries and related factors among second-grade students in Dongying District, 2018-2022.BMC oral health · 2026Article
- Risk Prediction of Edentulism in Chinese Adults: Insights From the China Health and Retirement Longitudinal Study (CHARLS).International dental journal · 2026Article
- Analysis of Reasons for Permanent Teeth Extraction in Dental College Teaching Hospital of Mustansiriyah University, Baghdad/Iraq: A Prospective Cross-Sectional Observational Study.International journal of dentistry · 2026Article
- Evolution of income inequalities in the caries experience of 5-year-old children in Brazil between 2010 and 2023.Revista brasileira de epidemiologia = Brazilian journal of epidemiology · 2026Article
- Dental Caries Status and Associated Factors Among Adults in Southeastern Iran: Findings From the Zahedan Adult Cohort Study.Clinical and experimental dental research · 2025Article
- The influence of habitual tooth brushing frequency on individuals diagnosed with coronary artery disease.Scientific reports · 2025Article
- Association of High BMI with Dental History, Sociodemographic Characteristics, and DMFT Index in Female Students at Taif University Sports Center: A Cross-Sectional Analysis.Journal of clinical medicine · 2025Article
- Structural changes and influencing factors of human resource allocation for oral health in China.PloS one · 2025Article
- Article
- Association of oral health with all-cause and cause-specific mortality in older Chinese adults: A 14-year follow-up of the Guangzhou Biobank Cohort study.Journal of global health · 2024Article
Corrections and comments
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Authors and funding
17 authors at 8 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThis cross-sectional study aimed to investigate socioeconomic inequalities in dental caries among adults (35 years and older) in China and explore the contributions of various factors to these inequalities.
methodsThis study included 10,983 adults (3,674 aged 35-44 years, 3,769 aged 55-64 years and 3,540 aged 65-74 years) who participated in the 4th National Oral Health Survey (2015-2016) in China. Dental caries status was evaluated by the decayed, missing and filled teeth (DMFT) index. Concentration indices (CIs) were applied to quantify the different degrees of socioeconomic-related inequality in DMFT, decayed teeth with crown or root caries (DT), missing teeth due to caries or other reasons (MT), and filled teeth without any primary or secondary caries (FT) among adults of different age groups. Decomposition analyses were conducted to identify the determinants and their associations with inequalities in DMFT.
resultsThe significant negative CI indicated that DMFT for the total sample were concentrated among socioeconomically disadvantaged adults (CI = - 0.06; 95% confidence interval [CI], - 0.073 to - 0.047). The CIs for DMFT for adults aged 55-64 and 65-74 years were - 0.038 (95% CI, - 0.057 to - 0.018) and - 0.039 (95% CI, - 0.056 to - 0.023), respectively, while the CI for DMFT for adults aged 35-44 years was not statistically significant (CI = - 0.002; 95% CI, - 0.022 to 0.018). The concentration indices of DT were negative and concentrated in disadvantaged populations, while FT showed pro-rich inequalities in all age groups. Decomposition analyses showed that age, education level, toothbrushing frequency, income and type of insurance contributed substantially to socioeconomic inequalities, accounting for 47.9%, 29.9%, 24.5%,19.1%, and 15.3%, respectively.
conclusionDental caries was disproportionately concentrated among socioeconomically disadvantaged adults in China. The results of these decomposition analyses are informative for policy-makers attempting to develop targeted health policy recommendations to reduce dental caries inequalities in China.
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