B. C. WEITZMAN ;
GUTTMACHER S. ;
WEINBERG S. ;
F. KAPADIA
|
2003
Dans Journal of Epidemiology and Community Health (Vol.57, n°1, January 2003) Article : Périodique
Dans Journal of Epidemiology and Community Health (Vol.57, n°1, January 2003) Article : Périodique
Study objective: To examine the potential biases introduced when students in low response rate schools are dropped from classroom based surveys of adolescent risk taking behaviour. Design: Self administered confidential surveys were conducted in[...]
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