Assessment of habitual sun exposure in adolescents via questionnaire--a comparison with objective measurement using polysulphone badges.

摘要: The reliability and validity of sun exposure questions were examined in a group 125 schoolchildren aged 14-15 years northern European ancestry. We compared estimates erythemally effective dose (EED) obtained from polysulphone badges worn on four consecutive weekend days late spring to answers several habitual exposure. badge accurately reflected the reported children highly correlated with responses 12 months earlier. For question "During weekends school holidays, how much time do you usually spend each day", Pearson correlation coefficients for association EED 0.36 (girls) 0.23 (boys). Adjusted within-person variation measurements, 0.65 0.43 "Weekends where your time", 0.18 0.32 (boys); adjusted 0.30 0.53 findings suggest that "habitual' teenage is temporally stable behaviour an acceptable degree validity.