Naveed Sadiq1,2, Janice C Probst2, Anwar T Merchant3, Amy B Martin4, Deepika Shrestha5, M Mahmud Khan6. 1. Institute of Public Health & Social Sciences, Khyber Medical University, Peshawar, Pakistan. 2. Department of Health Services Policy & Management, University of South Carolina, Columbia, SC, USA. 3. Department of Epidemiology & Biostatistics, University of South Carolina, Columbia, SC, USA. 4. College of Dental Medicine, Medical University of South Carolina, Charleston, SC, USA. 5. Data Management and Analysis Division, Center for Policy, Planning and Evaluation, DC Department of Health, Washington, DC, USA. 6. Department of Health Policy & Management, University of Georgia, Athens, GA, USA.
Abstract
AIM: To assess the relationship of dental insurance with all-cause mortality and mortality due to cardiovascular diseases (CVD), diabetes mellitus (DM), and cerebrovascular diseases (CBD) among those with periodontitis. MATERIALS AND METHODS: NHANES III and its associated mortality data set were used in this study. The outcome variables were "all-cause mortality" and "combined mortality" due to CVD, DM, and CBD. The independent variable was dental insurance stratified over periodontitis status. Unweighted frequencies with weighted column percentages were used for descriptive statistics, and chi-square test was applied for significance. Cox proportional hazard models were used for stratified multivariable analyses. All analyses were performed in SAS v9.4 accounting for survey data complexities. Significance level was kept at 5%. RESULTS: The mortality was 14.58% for all-cause mortality and 4.06% for combined mortality among those with periodontitis in this study. Dental insurance significantly reduced the hazard of all-cause mortality among those with periodontitis (HR: 0.75; 95% CI: 0.61 - 0.93), adjusted for covariates. However, no association of dental insurance with combined mortality was observed among periodontitis group. CONCLUSIONS: Dental insurance reduces hazard of all-cause mortality among those with periodontitis. Dental insurance ensures access to dentists and improves oral and dental health. Longitudinal study is needed to establish causality.
AIM: To assess the relationship of dental insurance with all-cause mortality and mortality due to cardiovascular diseases (CVD), diabetes mellitus (DM), and cerebrovascular diseases (CBD) among those with periodontitis. MATERIALS AND METHODS: NHANES III and its associated mortality data set were used in this study. The outcome variables were "all-cause mortality" and "combined mortality" due to CVD, DM, and CBD. The independent variable was dental insurance stratified over periodontitis status. Unweighted frequencies with weighted column percentages were used for descriptive statistics, and chi-square test was applied for significance. Cox proportional hazard models were used for stratified multivariable analyses. All analyses were performed in SAS v9.4 accounting for survey data complexities. Significance level was kept at 5%. RESULTS: The mortality was 14.58% for all-cause mortality and 4.06% for combined mortality among those with periodontitis in this study. Dental insurance significantly reduced the hazard of all-cause mortality among those with periodontitis (HR: 0.75; 95% CI: 0.61 - 0.93), adjusted for covariates. However, no association of dental insurance with combined mortality was observed among periodontitis group. CONCLUSIONS: Dental insurance reduces hazard of all-cause mortality among those with periodontitis. Dental insurance ensures access to dentists and improves oral and dental health. Longitudinal study is needed to establish causality.