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Activity Number: 696
Type: Contributed
Date/Time: Thursday, August 4, 2016 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistics in Epidemiology
Abstract #321060
Title: Comparing Results from Two National Surveys: How Survey Methodologies May Influence the Observed Association Between Physical Activity and Diabetes by Mobility Disability Status
Author(s): Qing Zhang* and Dianna D. Carroll
Companies: CDC/NCBDDD and CDC
Keywords: Disability ; National surveys

Research has shown that there is a dose-response relationship between physical activity (PA) and diabetes risk. But there is limited literature addressing this affect by mobility disability, or the optimal survey methodology to determine this relationship. We compare results from the National Health Interview Survey 2012-2014 and Behavioral Risk Factor Surveillance System 2013 evaluating the relationship between minutes of PA and diabetes risk among adults ?18 years old by mobility disability status. Logistic regression models (stratified by mobility disability status) assess the association between PA level (minutes/week of moderate-intensity equivalent activity: inactive, 10-149, 150-300, and 301+) and diabetes, controlling for demographics, BMI, smoking, and arthritis status. Results suggest an inverse association between PA level and diabetes; however, the magnitude of the association differed by mobility disability status and by data source. Differences in survey methodologies may contribute to observed differences in association. Our findings highlight the importance of understanding how survey design can contribute to differences in results reported across studies.

Authors who are presenting talks have a * after their name.

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