Health Diaries: Strategies for Compliance and Relation to Other Measures

This article described experience with the use of health diaries in a two-year prospective study of the influence of the psychosocial environment on the health status of 500 subjects in the Hamilton area. Three strategies were used to maintain compliance: 1) random sampling of three days within each two-week interval; 2) a lottery ticket incentive; and 3) telephone follow-up. The results of an initial telephone and lottery ticket study …