Paul D Loprinzi1. 1. Department of Health, Exercise Science and Recreation Management, Center for Health Behavior Research, The University of Mississippi, University, MS, USA.
Abstract
BACKGROUND: The association between objectively measured bouted (at least 10 min in duration) and non-bouted (<10 min in duration) physical activity with multimorbidity is unknown, which was the purpose of this study. METHODS: Data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) were employed (n = 4 584 adults). Bouted physical activity and non-bouted physical activity were assessed via accelerometry, with multimorbidity assessed via physician diagnosis and laboratory data. RESULTS: For the ordinal regression model, and after adjustment, both non-bouted moderate-to-vigorous physical activity (MVPA; βadjusted = -0·63; 95% CI: -0·79 to -0·48; P<0·001) and bouted MVPA (βadjusted = -0·43; 95% CI: -0·63 to -0·23; P<0·001) were independently associated with multimorbidity. In a multivariable logistic regression, both non-bouted MVPA (ORadjusted = 0·59; 95% CI: 0·48-0·72; P<0·001) and bouted MVPA (ORadjusted = 0·66; 95% CI: 0·52-0·84; P = 0·001) were associated with a reduced odds of being multimorbid. CONCLUSION: Both bouted MVPA and non-bouted MVPA were associated with reduced odds of multimorbidity, underscoring the importance of promoting both types of physical activity.
BACKGROUND: The association between objectively measured bouted (at least 10 min in duration) and non-bouted (<10 min in duration) physical activity with multimorbidity is unknown, which was the purpose of this study. METHODS: Data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) were employed (n = 4 584 adults). Bouted physical activity and non-bouted physical activity were assessed via accelerometry, with multimorbidity assessed via physician diagnosis and laboratory data. RESULTS: For the ordinal regression model, and after adjustment, both non-bouted moderate-to-vigorous physical activity (MVPA; βadjusted = -0·63; 95% CI: -0·79 to -0·48; P<0·001) and bouted MVPA (βadjusted = -0·43; 95% CI: -0·63 to -0·23; P<0·001) were independently associated with multimorbidity. In a multivariable logistic regression, both non-bouted MVPA (ORadjusted = 0·59; 95% CI: 0·48-0·72; P<0·001) and bouted MVPA (ORadjusted = 0·66; 95% CI: 0·52-0·84; P = 0·001) were associated with a reduced odds of being multimorbid. CONCLUSION: Both bouted MVPA and non-bouted MVPA were associated with reduced odds of multimorbidity, underscoring the importance of promoting both types of physical activity.
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