Ten-Year Changes in Accelerometer-Based Physical Activity and Sedentary Time during Midlife

Kelley Pettee Gabriel; Stephen Sidney; David R. Jacobs; Kara M. Whitaker; Mercedes R. Carnethon; Cora E. Lewis; Pamela J. Schreiner; Raja I. Malkani; James M. Shikany; Jared P. Reis; Barbara Sternfeld

doi:10.1093/aje/kwy117

Ten-Year Changes in Accelerometer-Based Physical Activity and Sedentary Time during Midlife

Kelley Pettee Gabriel, Stephen Sidney, David R. Jacobs, Kara M. Whitaker, Mercedes R. Carnethon, Cora E. Lewis, Pamela J. Schreiner, Raja I. Malkani, James M. Shikany, Jared P. Reis, Barbara Sternfeld

Epidemiology & Community Health

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

We describe 10-year changes in accelerometer-determined physical activity (PA) and sedentary time in a midlife cohort of the Coronary Artery Risk Development in Young Adults Study, within and by race and sex groups. Participants (n = 962) wore the accelerometer with valid wear (≥4 of 7 days, ≥10 hours per day) at baseline (2005-2006; ages 38-50 years) and 10-year follow-up (2015-2016; ages 48-60 years). Data were calibrated to account for accelerometer model differences. Participants (mean age = 45.0 (standard deviation, 3.5) years at baseline) had reduced accelerometer counts overall (mean = -'65.5 (standard error (SE), 10.2) counts per minute/day), and within race and sex groups (all P < 0.001). Sedentary time increased overall (mean = 37.9 (SE, 3.7) minutes/day) and within race and sex groups, whereas light-intensity PA (mean = -'30.6 (SE, 2.7) minutes/day) and moderate-to vigorous-intensity PA (mean = -'7.5 (SE, 0.8) minutes/day) declined overall and within race and sex groups (all P < 0.001). Significant differences in 10-year change estimates were noted by race and sex groups for accelerometer counts, sedentary time, and moderate-to vigorous-intensity PA bouts; black men had the greatest reductions in PA compared with other groups. PA declines during midlife were characterized by reductions in light-intensity PA with increases in sedentary time, which may have important health consequences. Targeted efforts are needed to preserve PA, regardless of intensity level, across midlife.

Original language	English (US)
Pages (from-to)	2145-2150
Number of pages	6
Journal	American journal of epidemiology
Volume	187
Issue number	10
DOIs	https://doi.org/10.1093/aje/kwy117
State	Published - Oct 1 2018

Bibliographical note

Funding Information:
The Coronary Artery Risk Development in Young Adults (CARDIA) Study is supported by contracts HHSN268201300025C, HHSN268201300026C, HHSN268201300027C, HHSN268201300028C, HHSN268201300029C, and HHSN268200900041C from the National Heart, Lung, and Blood Institute (NHLBI), the Intramural Research Program of the National Institute on Aging (NIA), and an intra-agency agreement between the NIA and NHLBI (AG0005). Additional support for this work was provided by the CARDIA Fitness Study (grant R01 HL078972 to B.S. and S.S.) and CARDIA Activity Study (grant R56 HL125423 to K.P.G., B.S., S.S.). We thank the CARDIA Study participants. Conflict of interest: none declared.

Publisher Copyright:
© Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health 2018.

Keywords

accelerometry
cohort study
diverse sample

Publisher link

10.1093/aje/kwy117

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6166210

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title = "Ten-Year Changes in Accelerometer-Based Physical Activity and Sedentary Time during Midlife",

abstract = "We describe 10-year changes in accelerometer-determined physical activity (PA) and sedentary time in a midlife cohort of the Coronary Artery Risk Development in Young Adults Study, within and by race and sex groups. Participants (n = 962) wore the accelerometer with valid wear (≥4 of 7 days, ≥10 hours per day) at baseline (2005-2006; ages 38-50 years) and 10-year follow-up (2015-2016; ages 48-60 years). Data were calibrated to account for accelerometer model differences. Participants (mean age = 45.0 (standard deviation, 3.5) years at baseline) had reduced accelerometer counts overall (mean = -'65.5 (standard error (SE), 10.2) counts per minute/day), and within race and sex groups (all P < 0.001). Sedentary time increased overall (mean = 37.9 (SE, 3.7) minutes/day) and within race and sex groups, whereas light-intensity PA (mean = -'30.6 (SE, 2.7) minutes/day) and moderate-to vigorous-intensity PA (mean = -'7.5 (SE, 0.8) minutes/day) declined overall and within race and sex groups (all P < 0.001). Significant differences in 10-year change estimates were noted by race and sex groups for accelerometer counts, sedentary time, and moderate-to vigorous-intensity PA bouts; black men had the greatest reductions in PA compared with other groups. PA declines during midlife were characterized by reductions in light-intensity PA with increases in sedentary time, which may have important health consequences. Targeted efforts are needed to preserve PA, regardless of intensity level, across midlife.",

keywords = "accelerometry, cohort study, diverse sample",

author = "{Pettee Gabriel}, Kelley and Stephen Sidney and Jacobs, {David R.} and Whitaker, {Kara M.} and Carnethon, {Mercedes R.} and Lewis, {Cora E.} and Schreiner, {Pamela J.} and Malkani, {Raja I.} and Shikany, {James M.} and Reis, {Jared P.} and Barbara Sternfeld",

note = "Funding Information: The Coronary Artery Risk Development in Young Adults (CARDIA) Study is supported by contracts HHSN268201300025C, HHSN268201300026C, HHSN268201300027C, HHSN268201300028C, HHSN268201300029C, and HHSN268200900041C from the National Heart, Lung, and Blood Institute (NHLBI), the Intramural Research Program of the National Institute on Aging (NIA), and an intra-agency agreement between the NIA and NHLBI (AG0005). Additional support for this work was provided by the CARDIA Fitness Study (grant R01 HL078972 to B.S. and S.S.) and CARDIA Activity Study (grant R56 HL125423 to K.P.G., B.S., S.S.). We thank the CARDIA Study participants. Conflict of interest: none declared. Publisher Copyright: {\textcopyright} Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health 2018.",

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AU - Sidney, Stephen

AU - Jacobs, David R.

AU - Whitaker, Kara M.

AU - Carnethon, Mercedes R.

AU - Lewis, Cora E.

AU - Schreiner, Pamela J.

AU - Malkani, Raja I.

AU - Shikany, James M.

AU - Reis, Jared P.

AU - Sternfeld, Barbara

N1 - Funding Information: The Coronary Artery Risk Development in Young Adults (CARDIA) Study is supported by contracts HHSN268201300025C, HHSN268201300026C, HHSN268201300027C, HHSN268201300028C, HHSN268201300029C, and HHSN268200900041C from the National Heart, Lung, and Blood Institute (NHLBI), the Intramural Research Program of the National Institute on Aging (NIA), and an intra-agency agreement between the NIA and NHLBI (AG0005). Additional support for this work was provided by the CARDIA Fitness Study (grant R01 HL078972 to B.S. and S.S.) and CARDIA Activity Study (grant R56 HL125423 to K.P.G., B.S., S.S.). We thank the CARDIA Study participants. Conflict of interest: none declared. Publisher Copyright: © Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health 2018.

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Y1 - 2018/10/1

N2 - We describe 10-year changes in accelerometer-determined physical activity (PA) and sedentary time in a midlife cohort of the Coronary Artery Risk Development in Young Adults Study, within and by race and sex groups. Participants (n = 962) wore the accelerometer with valid wear (≥4 of 7 days, ≥10 hours per day) at baseline (2005-2006; ages 38-50 years) and 10-year follow-up (2015-2016; ages 48-60 years). Data were calibrated to account for accelerometer model differences. Participants (mean age = 45.0 (standard deviation, 3.5) years at baseline) had reduced accelerometer counts overall (mean = -'65.5 (standard error (SE), 10.2) counts per minute/day), and within race and sex groups (all P < 0.001). Sedentary time increased overall (mean = 37.9 (SE, 3.7) minutes/day) and within race and sex groups, whereas light-intensity PA (mean = -'30.6 (SE, 2.7) minutes/day) and moderate-to vigorous-intensity PA (mean = -'7.5 (SE, 0.8) minutes/day) declined overall and within race and sex groups (all P < 0.001). Significant differences in 10-year change estimates were noted by race and sex groups for accelerometer counts, sedentary time, and moderate-to vigorous-intensity PA bouts; black men had the greatest reductions in PA compared with other groups. PA declines during midlife were characterized by reductions in light-intensity PA with increases in sedentary time, which may have important health consequences. Targeted efforts are needed to preserve PA, regardless of intensity level, across midlife.

AB - We describe 10-year changes in accelerometer-determined physical activity (PA) and sedentary time in a midlife cohort of the Coronary Artery Risk Development in Young Adults Study, within and by race and sex groups. Participants (n = 962) wore the accelerometer with valid wear (≥4 of 7 days, ≥10 hours per day) at baseline (2005-2006; ages 38-50 years) and 10-year follow-up (2015-2016; ages 48-60 years). Data were calibrated to account for accelerometer model differences. Participants (mean age = 45.0 (standard deviation, 3.5) years at baseline) had reduced accelerometer counts overall (mean = -'65.5 (standard error (SE), 10.2) counts per minute/day), and within race and sex groups (all P < 0.001). Sedentary time increased overall (mean = 37.9 (SE, 3.7) minutes/day) and within race and sex groups, whereas light-intensity PA (mean = -'30.6 (SE, 2.7) minutes/day) and moderate-to vigorous-intensity PA (mean = -'7.5 (SE, 0.8) minutes/day) declined overall and within race and sex groups (all P < 0.001). Significant differences in 10-year change estimates were noted by race and sex groups for accelerometer counts, sedentary time, and moderate-to vigorous-intensity PA bouts; black men had the greatest reductions in PA compared with other groups. PA declines during midlife were characterized by reductions in light-intensity PA with increases in sedentary time, which may have important health consequences. Targeted efforts are needed to preserve PA, regardless of intensity level, across midlife.

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KW - cohort study

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Ten-Year Changes in Accelerometer-Based Physical Activity and Sedentary Time during Midlife

Abstract

Bibliographical note

Keywords

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