Abstract

An exploratory strategy was used to investigate why 55% of patients with farmer's lung (FL) disease quit farming. Three groups were recruited: 47 patients with FL disease who quit farming because of the disease (FLq), 76 patients with FL disease who continued farming (FLc), and 123 control farmers without a history of FL disease. The severity of FL disease at diagnosis was similar in both groups of patients. For example, single-breath carbon monoxide diffusion capacity predicted for FLq and FLc was 64.4 +/- 28.2 and 63.9 +/- 22.0, respectively. Relying on a cognitive-behavior theory, numerous physiological, behavioral, cognitive, affective, and social variables were assessed. Results showed that the decision to quit farming was based on cognitive and behavioral motives rather than physiological factors. Subjects in the FLq group showed more negative beliefs toward FL and had more fears of FL disease. FLq subjects also reported that family members, friends, and family doctors were more inclined to consider that FL disease could stop them from farming. However, self-efficacy to continue farming despite having FL disease and perceived hindrance caused by FL disease played the most important roles in the decision to quit farming

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