What explains socioeconomic inequalities in dental flossing? Cross-sectional results from the RaNCD cohort study

The magnitude and underlying determinants of socioeconomic inequality in dental flossing are poorly understood in Iran. This study aimed to measure and decompose socioeconomic inequalities in dental flossing in Ravansar, Iran. Data of 10,002 individuals aged 35-65 years who participated in the Ravan...

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Veröffentlicht in:Journal of preventive medicine and hygiene 2020-07, Vol.61 (2), p.E215-E220
Hauptverfasser: Soofi, M, Karami-Matin, B, Pasdar, Y, Hamzeh, B, Moradi-Nazar, M, Ameri, H, Najafi, F
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Sprache:eng
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Zusammenfassung:The magnitude and underlying determinants of socioeconomic inequality in dental flossing are poorly understood in Iran. This study aimed to measure and decompose socioeconomic inequalities in dental flossing in Ravansar, Iran. Data of 10,002 individuals aged 35-65 years who participated in the Ravansar Non- communicable Diseases (RaNCD) cohort study in Kermanshah province, western Iran, were analyzed. Based on an asset-based method, socioeconomic status (SES) was measured using principal component analysis (PCA). The concentration index and curve were employed to measure socioeconomic inequality in dental flossing. Decomposition analysis was used to estimate the contribution of each determinant to the overall inequality. Of 10,002 participants, 11.74% were found to practice dental floss. The normalized CI for dental flossing was 0.327 in the entire population, 0.323 in females and 0.329 in males, indicating that the use of dental floss is more concentrated among high-SES individuals. The decomposition analysis indicated that SES (50.58%) and level of education (44.90%) respectively contributed the most to this inequality. Place of residence (10.55%) and age group (2.7%) were the next main contributors, respectively. We found a low prevalence of dental flossing among participants in RaNCD study. We also observed a relatively high degree of pro-rich inequality in dental flossing. The observed inequality was mainly explained by socioeconomic status, level of education and place of residence. Policy interventions should consider these factors to reduce inequalities in dental flossing.
ISSN:2421-4248
1121-2233
2421-4248
DOI:10.15167/2421-4248/jpmh2020.61.2.1394