Abstract
Total serum cholesterol was measured for 12,067 people as part of a community-based cholesterol screening program in New South Wales, Australia, in the fall of 1987. Forty-three percent had levels over 210 mg/dl and the average was 207 mg/dl. Those with levels over 210 mg/dl were counseled on how to reduce their cholesterol level and invited to take a second test in four to five months. Subjects were randomly allocated to one of three interventions: testing and counseling plus either 1) a reminder letter one month before the retest, 2) all of the above plus additional information on nutrition and exercise, or 3) all of the above plus a lottery ticket giving them a chance to win a microwave oven if they completed the retest. A total of 3,157 (60.8%) returned for the retest. There was no significant difference between the three intervention conditions in participation rates and a number of biometric measures. These results suggest that additional health information and prize incentives do not enhance rates of return for retest or changes in dietary and exercise behaviors within the context of a community screening program in Australia.
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