A. BARCHIELLI ;
D. BALZI
|
2002
Dans International Journal of Epidemiology (Vol.31, n°5, October 2002) Article : Périodique
Dans International Journal of Epidemiology (Vol.31, n°5, October 2002) Article : Périodique
Background: Smoking prevalence is often assessed in random samples of a population. Non-response bias has been rarely investigated.
Methods: In 1989 a survey on smoking habits in Florence, Italy, was carried out (response rate: 85%). For respon[...]
Historique