The effects of regular physical exercise on stress, depression, and job-related strain
Vidmar, Patricia M.
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The relationship between regular physical exercise and the variables of stress, depression, and job-related strain were examined in this study. It was hypothesized that individuals who had participated in an exercise program for a long period of time (23 to 26 months) would experience less A-Trait anxiety, manifest fewer symptoms of depression, and experience less job-related strain than individuals who had participated in an exercise program for a short period of time (1 to Ik months). Subjects were employees of a large oil research and refinery company located in a southern suburb of Chicago. Twenty-five subjects comprised the group of short-term exercisers, while the long-term exercise group totaled forty-two subjects. Subjects completed four questionnaires - one to determine demographic data* the State-Trait * Anxiety Inventory, Form X-2, developed by Spielberger, Gorsuch, and Lushenej the Depression Adjective Check Lists, Form F, developed by Lubinj and the Index of Job- Related Strain, developed by Indik, Seashore, and Slesinger Demographic data for the two groups were compared using the chi-square statistic and Pearson Correlation Coefficients. Data from the other three questionnaires were analyzed by t-test in order to evaluate differences between the short-term and long-term exercisers. The difference between mean scores of the two groups on the Depression Adjective Check Lists, Form F, was found to be statistically significant (p=0.006), with the long-term exercise group reporting more depressive symptoms than the short-term exercise group. There were no significant differences in mean scores of the two groups on the State-Trait Anxiety Inventory, Form X-2 and the Index of Job-Related Strain. Thusj the hypotheses of the study were not supported.