Validation of scales measuring attitudes and norms related to mammography screening in women veterans.

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Abstract
Validation of psychosocial measures for use in mammography screening research has been given inadequate attention in the literature. The authors report on the validation of 5 measures examining 4 attitudinal constructs (i.e., pros, cons, outcome expectations, and cancer worries) and I social influence construct (i.e., subjective norms) in a 22-item inventory. The study participants consisted of a national, randomly sampled population of women veterans (n = 2,910). After minor revision of scales, the authors found independent measures for 4 constructs: pros, cons, cancer worries, and subjective norms. The authors concluded that these scales have acceptable psychometric properties; support construct validity; and provide brief, reliable, and valid measures of attitudes toward and norms regarding mammography screening. These scales may be useful for intervention research.