期刊
AMERICAN JOURNAL OF HEALTH PROMOTION
卷 34, 期 3, 页码 247-256出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0890117119885518
关键词
occupational activity; sedentary behavior; activity pattern; occupation; employment; workplace health
资金
- National Heart, Lung, and Blood Institute (NHLBI)
- University of Alabama at Birmingham [HHSN268201800005I, HHSN268201800007I]
- Northwestern University [HHSN268201800003I]
- Kaiser Foundation Research Institute [HHSN268201800004I]
- Agency for Healthcare Quality Research
- American Heart Association
- National Institutes of Health
- Tomayko Fund
- University of Minnesota [HHSN268201800006I]
Purpose: To examine differences in activity patterns across employment and occupational classifications. Design: Cross-sectional. Setting: A 2005-2006 Coronary Artery Risk Development in Young Adults (CARDIA) study. Sample: Participants with valid accelerometry data (n = 2068). Measures: Uniaxial accelerometry data (ActiGraph 7164), accumulated during waking hours, were summarized as mean activity counts (counts/min) and time spent (min/d) in long-bout sedentary (>= 30 minutes, SED >= 30), short-bout sedentary (<30 minutes, SED<30), light physical activity (LPA), short-bout moderate-to-vigorous physical activity (<10 minutes, MVPA(<10)), and long-bout MVPA (>= 10 minutes, MVPA(>= 10)) using Freedson cut-points. Employment status was self-reported as full time, part time, unemployed, keeping house, or raising children. Self-reported job duties were categorized into 23 major groups using the 2010 Standard Occupational Classification. Analysis: Omnibus differences were analyzed using adjusted analysis of covariance and repeated after stratification by race (black/white) and sex (female/male). Results: SED >= 30, SED<30, LPA, and MVPA(<10) differed significantly by employment and occupational categories (P <= .05), while MVPA(>= 10) did not (P >= .50). SED >= 30, SED<30, and LPA differed by occupational classification in men, women, blacks, and whites (P < .05). Mean activity counts, MVPA(<10), and MVPA(>= 10) were significantly different across occupational classifications in whites (P <= .05), but not in blacks (P > .05). Significant differences in mean activity counts and MVPA(<10) across occupational classifications were found in males (P <= .001), but not in females (P > .05). Conclusion: Time within activity intensity categories differs across employment and occupational classifications and by race and sex.
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