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1.
Nutr Cancer ; 20(1): 71-8, 1993.
Article in English | MEDLINE | ID: mdl-8415132

ABSTRACT

Survey reports indicate that women perceive that their diets have changed in ways consistent with dietary guidelines recommended by national agencies. We have attempted to determine whether perceived change in food intake is a useful tool for estimation of either past intake or pattern of change in food consumption. Twin sisters of breast cancer patients, at obvious high risk of breast cancer, were aware of dietary guidelines concerning cancer, as indicated by beliefs about specific foods that should be increased or decreased to prevent cancer. Perception of change, as reported by them, was not found to be a reliable indicator of actual change in food frequency, as measured by the difference between sequential food frequency questionnaires. Consumption of high-fat foods was observed to have decreased over the interval, regardless of perceived change in consumption. Moreover, prediction of past food frequency on the basis of perceived change and current intake combined resulted in a less accurate appraisal of past diet than did the use of current intake alone. Perceived change in food frequency appears to be biased in different ways for different foods and seems to be influenced by beliefs about the role of diet in cancer. Studies of etiology should probably not rely on such methods.


Subject(s)
Breast Neoplasms/prevention & control , Diet/adverse effects , Nutrition Surveys , Twins , Adult , Aged , Female , Humans , Middle Aged , Risk Factors
2.
Ann Med ; 21(3): 231-3, 1989 Jun.
Article in English | MEDLINE | ID: mdl-2765264

ABSTRACT

Project SMART Parent Program is a school-based healthy lifestyle promotion program designed to reduce chronic disease risk in adults and to provide a health-conscious home environment for children through the adoption of healthy lifestyle by their parents. Parents in the high involvement condition received comprehensive health status appraisals, and a program designed to reduce dietary fat intake, and increase aerobic activity levels. Parents in the low involvement condition received only the comprehensive health status appraisals. ANCOVA, using treatment condition as the independent variable and change scores as the dependent variables, were used to assess program outcomes. At the first posttest measure, the intervention group compared to the control group had a significantly greater decrease in blood cholesterol, a greater gain in aerobic fitness, a greater weight loss, and a greater decrease in body fat. At the second posttest measure, the intervention group had significantly greater gain in aerobic fitness, a greater decrease in body fat, a greater decrease in systolic blood pressure, and a marginally significant decrease in weight. Preliminary results provide strong support for the effectiveness of the Parent Program in reducing chronic disease risks.


Subject(s)
Health Promotion , Life Style , Parents/education , School Health Services , Adolescent , Adult , Child , Female , Health Status Indicators , Humans , Male , Physical Fitness
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