Life sciences · Observational Study
ClinicalTrials.gov · October 19, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07880717). This is a study registration, not published results. Lead sponsor: Mahidol University. Recruitment status: RECRUITING. Study type: OBSERVATIONAL. Enrollment: 93 participants (ESTIMATED). Conditions: Diabete Mellitus, Dyslipidaemia, Chronic Kidney Disease, Psychiatric Disorder, Hypertension, Hypothyroidism, Smoking Behaviors, Alcohol, Obesity & Overweight, Sleep, Waist Circumference, Periodontitis, Gingivitis, Gingival Health, BMI, Gingival Index, Bleeding on Probing, Plaque Score, Clinical Attachment Level, Probing Pocket Depth, Other. Interventions: OTHER: Periodontal Examination; OTHER: Questionnaire interview; OTHER: Anthropometric measurements. Primary outcome measures: Percentage of Thai adults aged 18-59 years with high BMI, defined as BMI ≥25 kg/m², and periodontitis , At the time of study assessment (3 months). Brief summary: Overweight and obesity, as well as periodontitis, are common public health problems with increasing prevalence. Both conditions may be linked through shared mechanisms involving chronic low-grade systemic inflammation. Numerous studies have reported an association between elevated body mass index (BMI) and periodontitis, particularly among younger and working-age populations. However, data regarding Thai adults under the age of 60 remain limited. Therefore, this study aims to determine the prevalence of high BMI and periodontitis among Thai adults aged 18-59 years and to identify factors associated with these conditions. The findings may provide useful information for improving awareness and supporting the prevention of both periodontal and general health problems in this population.