McLean, Sian; Paxton, Susan; Massey, Robin; Mond, Jonathan; Rodgers, Bryan; Hay, Phillipa J
Objectives Understanding attitudes to mental health issues can inform public health interventions. However, low response rates may contribute to nonresponse bias. In a randomized controlled trial we examined the effect of sending a prenotification postcard before the questionnaire and the placement of a short message on the survey envelope (teaser) on response rates to a mailed questionnaire about bulimia nervosa "mental health literacy". Study Design and Setting Questionnaires were mailed to...[Show more]
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