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Article
D.J. SLYMEN ; M.F. HOVELL ; Center for Behavioral Epidemiology. Graduate School of Public Health. San Diego State University. San Diego CA. USA |[BDSP. Notice produite par INIST hfR0x1D1. Diffusion soumise à autorisation]. Background. The decision to randomize by clusters of subjects such as a classroom or clinic versus individual randomization where some contamination may occur is exami[...]
Article
J.F. SALLIS ; C.R. HOFSTETTER ; M.F. HOVELL ; J.M. ZAKARIAN ; Departments of Psychology and Political Science. Graduate School of Public Health. San Diego State University. San Diego California. USA |[BDSP. Notice produite par INIST XuR5rR0x. Diffusion soumise à autorisation]. Regular physical activity is recommended for health maintenance in adolescence, but basic descriptive epidemiological data are lacking for this age group. The present [...]
Article
J.A. EMERSON ; C.R. HOFSTETTER ; M.F. HOVELL ; B.P. LEADERER ; S.B. MELTZER ; E.O. MELTZER ; D.R. WAHLGREN ; J.M. ZAKARIAN ; San Diego State univ. Graduate school public health. Cent behavioral epidemiology. San Diego CA. USA |[BDSP. Notice produite par INIST p8X38R0x. Diffusion soumise à autorisation]. This study determined the reliability and validity of parent-reported measures of environmental tobacco smoke (ETS) exposure among 91 asthmatic children. Test-retest r[...]
