The 12-item Moos et al. (1986) scale was used to assess the degree of physical complaints experienced by the respondent. Respondents in dicated if they did (1) or did not (0) experience each of the 12 symptoms in the previous 12 months. Scores for this Physical Complaints Scale were calculated by summing the 12 items in the scale. In the present study, the internal consistency estimate for the Physical Complaints Scale was .81