The Relationship between Mammography and a Multi-factor Behavioral Index
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Abstract
Objective: In this study, we sought to determine whether a multi-factor behavioral index predicts mammography screening in US women. Methods: Women aged 50-75 years were enrolled in an intervention study and provided their vegetable intake, physical activity (PA), smoking, body mass index (BMI), and alcohol intake. Each factor was scored from 0 (least healthy) to 4 (most healthy) then summed to form a multi-factor behavioral index (ranging from 0-20). Selfreport and medical records were used to determine mammography screening 6-months postintervention. Logistic regression was used to estimate multivariable-adjusted odds ratios (OR) and 95% confidence intervals (CI) for the association with 6-month mammography. Results: The mean score for the multi-factor index was 11.8. An increased index score marginally predicted mammography adherence [OR = 1.05 (0.99-1.11)], with a stronger association among women receiving a doctor’s recommendation for mammography [OR = 1.12 (1.04-1.20)]. Of the independent behavioral factors, high PA [OR = 1.13 (0.99-1.30), p = .075] and low BMI [OR = 1.25 (1.04-1.51), p = .017] were marginal and significant predictors of mammography, respectively. Conclusion: Women who engaged in a healthier behavioral lifestyle were more likely to utilize mammography screening, especially if they received a physician recommendation. Physicians should encourage mammography screening as part of a healthy behavioral lifestyle.