Epidemiology of upper gastrointestinal symptoms in Brazil (EpiGastro): A population-based study according to sex and age group

Table 2 Distribution (%) of the study sample and the population of São Paulo according to age, gender, and educational level

Gender	Age, yr	Educational level, yr
		Study sample			São Paulo
		≤8	9-11	≥12	≤8	9-11	≥12
Male
	18-39	0.035403	0.120343	0.049406	0.060640	0.115868	0.053637
	40-59	0.057332	0.051783	0.036460	0.085150	0.045360	0.034538
	≥ 60	0.036196	0.008190	0.008322	0.051568	0.009390	0.013051
Female
	18-39	0.044254	0.151651	0.083752	0.056661	0.124781	0.067006
	40-59	0.107266	0.072391	0.040026	0.100748	0.050135	0.038357
	≥ 60	0.079789	0.012021	0.005416	0.074009	0.008595	0.010505