Surveys of 1967 adults

1967 adults were deemed worth surveying, on at least two occasions: “A cross-sectional, population-based survey was conducted, with a cluster sample, defined through multiple stages, of 1,967 adults ranging from 20 to 69 years of age.” — Prevalence of minor psychiatric disorders in the City of Pelotas, RS. Rev. bras. epidemiol. [online]. 2002, vol.5, n.2, […]