Maja Popovic, Daniela Zugna, Kate Tilling, Lorenzo Richiardi
Regression discontinuity design for the study of health effects of exposures acting early in life
Frontiers in public health
objective study quantify prevalence identify factors associated dental pain among elementary middleschool students mexico ecological study carried data 2008 national schoolbased studenthealth survey information dental pain schoolchildren aged 5 16 years collected public schools across 32 states mexico original study questionnaire used explore various factors affect oral dental health status schoolchildren outcome variable prevalence rate dental pain reported state level various contextual socioeconomic variables included addition dental caries analyses performed using stata software 529 interviewees girls 269 male female schoolchildren mexico experienced gum dental pain period analyzed 95 confidence interval 2602 2777 according spearman correlation results selfreported dental pain unrelated p 005 socioeconomic sociodemographic variables make gross domestic product gdp human development hdi well marginalization gini indices however estimated percentages selfreported dental pain caries positively correlated elementary r 08958 p 00001 middleschool r 08958 p 00001 total populations r 08542 p 00001 prevalence selfreported dental pain 28 one three mexican children adolescents study sample statelevel sociodemographic socioeconomic risk indicators associated prevalence dental pain selfreported caries positively correlated selfreported dental pain