Marcos Pascoal Pattussi ^1*, Rebecca Hardy ², Aubrey Sheiham ²

¹ Universidade do Vale do Rio dos Sinos
² Department of Epidemiology and Public Health, University College London

^* To whom correspondence should be addressed. E-mail: mppattussi{at}unisinos.br.

	Abstract

Objectives. Evidence suggests that communities with higher levels of social capital have better health, but this association has not been explored specifically in relation to dental injury. We investigated the association between social capital and dental injury.

Methods. A multilevel study assessed individual and neighborhood effects on dental injury of 1302 14- to 15-year-old adolescents in 39 schools of Distrito Federal, Brazil. Children underwent a dental examination and, with their parents, answered a questionnaire about their local environments. Our data analysis used logistic multilevel modeling of students and neighborhood (the latter defined by catchment areas of schools).

Results. The prevalence of dental injury was significantly lower in neighborhoods with higher levels of social capital, especially among boys. After control for individual and neighborhood variables, the adjusted odds ratio for a 1-unit increase in the standardized social capital index was 0.55 (95% confidence interval=0.37, 0.81; P=.002) among boys.

Conclusions. Social capital may explain inequalities in rates of dental injury, especially among boys.

Key Words: Community Health, Dental/Oral Health, Epidemiology, Surveys

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