Effects of self-reported health conditions and pesticide exposures on probability of follow-up in a prospective cohort study

The agricultural health study: Factors a

The agricultural health study: Factors affecting completion and return of self-administered questionnaires in a large prospective cohort study of pesticide applicators

✍ Robert E. Tarone; Michael C. R. Alavanja; Shelia Hoar Zahm; Jay H. Lubin; Dale P 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 64 KB 👁 1 views

Response rates were examined in a prospective epidemiologic study of individuals, mostly farmers, from Iowa and North Carolina seeking a pesticide applicator license during the period from 1994 through 1996. In the first year of enrollment 16,535 farmers (representing 77% of eligible farmer applicat