Abstract P049: Meeting Aerobic Physical Activity Guidelines And Hypertension Status Among Us Adults - NHANES, 1999-2006
Introduction: One in three adults in the United States has hypertension, and no significant changes in the prevalence of hypertension have been noted in the past decade. Participation in physical activity can aid in the prevention and control of hypertension, yet prevalence of physical activity participation remains low. The purpose of this study was to assess the prevalence of meeting aerobic guidelines for physical activity by hypertensive status, and to examine the associations between physical activity and hypertension treatment and control.
Methods: Data from the National Health and Nutrition Examination Survey 1999-2006 were used to allow for more detailed analyses and due to consistency of physical activity measures. Hypertension was defined by blood pressure (BP) ≥140/90mmHg or taking BP medications; treated (i.e., BP medications) and controlled (<140/90mmHg) hypertension was defined among those with hypertension. Physical activity was categorized by minutes per week of aerobic physical activity based on 2008 Physical Activity Guidelines for Americans (2008 Guidelines) (inactive, <10; insufficiently active, 10-149; active, ≥150-300; highly active, >300). Additional variables included sociodemographic and lifestyle characteristics (i.e., smoking, alcohol, sodium intake, fruit and vegetable intake). Participants <18 years of age, pregnant, or missing data for study variables were excluded, resulting in an analytic sample of 12,040. Univariate analysis was used to calculate prevalence estimates and 95% confidence intervals (95%CI). Multivariable logistic regression analysis was used for calculating odds ratios (OR).
Results: Significantly fewer adults with hypertension were active or highly active (31.9%, 95%CI: 29.4, 34.0) compared to those without hypertension (45.3%, 95%CI: 43.3, 47.4) (p<0.01). Among those with treated hypertension, 30.1% (95%CI: 27.7, 32.6) were active or highly active, compared to 34.5% (95%CI: 30.8, 38.3) who were not treated (p<0.05). Following adjustments for sociodemographic and lifestyle characteristics, adults meeting 2008 Guidelines (i.e., active or highly active) were less likely to be hypertensive compared to adults who did not meet 2008 Guidelines (OR: 0.77, 95%CI: 0.67, 0.87). Meeting 2008 Guidelines was not significantly associated with either treatment or control of hypertension.
Discussion: Adults with hypertension are less likely to meet the 2008 Guidelines, compared to those without hypertension. Those with treated hypertension were less likely to meet 2008 Guidelines than those not treated. Clinicians should counsel all of their patients about physical activity as recommended in clinical guidelines, and evidence-based community-wide efforts and policies that support opportunities to participate in physical activity should be encouraged.
- © 2012 by American Heart Association, Inc.