Physical activity trajectories and subsequent fall risk: ARIC Study

To examine the impact of moderate to vigorous intensity physical activity (MVPA) trajectories during midlife and older adulthood with subsequent fall risk in later life. Cross-temporal analyses were conducted in 15,792 participants (27% black, 55% women) aged 45 to 64 years enrolled in the Atheroscl...

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Published in:Preventive medicine Vol. 121; pp. 40 - 46
Main Authors: Pettee Gabriel, Kelley, Griswold, Michael E., Wang, Wanmei, Conway, Sadie H., Windham, B. Gwen, Palta, Priya, Kucharska-Newton, Anna, Pompeii, Lisa A.
Format: Journal Article
Language:English
Published: United States Elsevier Inc 01.04.2019
Subjects:
Accidental Falls - prevention & control
Accidental Falls - statistics & numerical data
Cohort study
Exercise
Falls
Female
Humans
Internal Medicine
Linear Models
Male
Middle Aged
Midlife
Risk Factors
Surveys and Questionnaires
United States
United States
Falls
Exercise
Midlife
Cohort study
ISSN:0091-7435, 1096-0260, 1096-0260
Online Access:Get full text
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Summary:To examine the impact of moderate to vigorous intensity physical activity (MVPA) trajectories during midlife and older adulthood with subsequent fall risk in later life. Cross-temporal analyses were conducted in 15,792 participants (27% black, 55% women) aged 45 to 64 years enrolled in the Atherosclerosis Risk in Communities (ARIC) Study. MVPA was collected at Exams 1 (1987–89), 3 (1993–95) and 5 (2011–13) using the ARIC/Baecke questionnaire. Latent class growth analysis was used to identify the MVPA trajectory groups. Reported falls outcomes were collected in 2013–14, 2015–16, and 2016–17. Generalized Linear Models were used to estimate associations of baseline predictors with trajectory class membership, as well as associations of trajectory classes with any falling (adjusted incident relative risks, aIRR) and with number of falls (adjusted relative rates, aRR). Four primary trajectory classes emerged, reflecting longitudinal patterns of maintained high (48%), maintained low (22%), increasing (14%) and decreasing (15%) MVPA. After adjustment for covariates, the decreasing MVPA trajectory group had a 14% higher risk of reporting any falling compared to the maintained high MVPA group [aIRR = 1.14 (1.01, 1.28)]. When compared to the maintained high MVPA group, the maintained low and decreasing group had a 28% [aRR = 1.28 (1.14, 1.44)] and 27% [aRR = 1.27 (1.17, 1.38)] higher rate in the reported number of falls, respectively. Findings support public health campaigns targeting habitual MVPA or exercise for fall prevention and suggest that interventions should be initiated in midlife; a time when individuals may be more able and willing to change behavior. •Few studies have characterized physical activity from midlife to older adulthood.•Physical activity from midlife to older adulthood can reduce fall risk.•Findings support public health campaigns centered on physical activity promotion.
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Author Contributions: study concept and design (KPG, MEG, LAP), acquisition of subjects and/or data (KPG, LAP, BGW), analysis (MEG, WW) and interpretation of data (KPG, SHC, BGW, PP, AKN, LAP), and preparation of manuscript (KPG, MEG, WW, SHC, BGW, PP, AKN, LAP).
ISSN:0091-7435
1096-0260
1096-0260
DOI:10.1016/j.ypmed.2019.02.007