Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile

Purpose This paper describes the data collection and management methods for the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy, a nested cohort of device-based physical activity and sedentary time data.Participants US-based CPS-3 participants (initially enrolled 2006–2013) who completed th...

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Main Authors: Erika Rees-Punia, Alpa Patel, Jillian Nelson, Peter J Briggs, Nance Joiner, James M Hodge, Jeuneviette E Bontemps-Jones, Den E Bloodworth, Ashley Yeager, Jeshondria McCrary
Format: Article
Language:English
Published: BMJ Publishing Group 2025-01-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/15/1/e085896.full
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author Erika Rees-Punia
Alpa Patel
Jillian Nelson
Peter J Briggs
Nance Joiner
James M Hodge
Jeuneviette E Bontemps-Jones
Den E Bloodworth
Ashley Yeager
Jeshondria McCrary
author_facet Erika Rees-Punia
Alpa Patel
Jillian Nelson
Peter J Briggs
Nance Joiner
James M Hodge
Jeuneviette E Bontemps-Jones
Den E Bloodworth
Ashley Yeager
Jeshondria McCrary
author_sort Erika Rees-Punia
collection DOAJ
description Purpose This paper describes the data collection and management methods for the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy, a nested cohort of device-based physical activity and sedentary time data.Participants US-based CPS-3 participants (initially enrolled 2006–2013) who completed the 2018 follow-up survey and had a valid email address were invited to the Accelerometry Substudy (n=109 780). Among the 23 111 participants who registered and were shipped an ActiGraph GT3X+ accelerometer, 21 219 participants returned the device with a complete wear log (91.8%) and 20 950 (90.6%) provided at least three adherent days of data (eg, days with at least 10 hours of wear).Findings to date Participants with ≥3 adherent days were predominantly female (n=16 187, 77.3%), non-Latino white (n=17 977, 85.8%) and had an average age of 58 years (SD=9.8). The median daily wear time was 15.3 hours, which did not vary considerably by wear day. The median time spent in moderate-intensity aerobic physical activity was 29 min/day (IQR=36), and the median time in vigorous physical activity was 3 min/day (IQR=13). Participants were sedentary for 9.4 hours (564 min, IQR=171 min) and accumulated a median of 6474 steps per day (IQR=5348).Future plans The full CPS-3 cohort will be linked with the National Death Index and state cancer registries biennially. Participants will be sent triennial surveys for the next two decades. Future analyses within the CPS-3 Accelerometry Substudy more specifically aim to identify relationships between physical activity, sedentary time and health outcomes, primarily cancer incidence, survival and survivorship.
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spelling doaj-art-815760e539c4490faf8de1d15ee598232025-01-15T05:30:09ZengBMJ Publishing GroupBMJ Open2044-60552025-01-0115110.1136/bmjopen-2024-085896Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profileErika Rees-Punia0Alpa Patel1Jillian Nelson2Peter J Briggs3Nance Joiner4James M Hodge5Jeuneviette E Bontemps-Jones6Den E Bloodworth7Ashley Yeager8Jeshondria McCrary9Department of Population Science, American Cancer Society, Atlanta, Georgia, USAAmerican Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USADepartment of Population Science, American Cancer Society, Atlanta, Georgia, USAPurpose This paper describes the data collection and management methods for the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy, a nested cohort of device-based physical activity and sedentary time data.Participants US-based CPS-3 participants (initially enrolled 2006–2013) who completed the 2018 follow-up survey and had a valid email address were invited to the Accelerometry Substudy (n=109 780). Among the 23 111 participants who registered and were shipped an ActiGraph GT3X+ accelerometer, 21 219 participants returned the device with a complete wear log (91.8%) and 20 950 (90.6%) provided at least three adherent days of data (eg, days with at least 10 hours of wear).Findings to date Participants with ≥3 adherent days were predominantly female (n=16 187, 77.3%), non-Latino white (n=17 977, 85.8%) and had an average age of 58 years (SD=9.8). The median daily wear time was 15.3 hours, which did not vary considerably by wear day. The median time spent in moderate-intensity aerobic physical activity was 29 min/day (IQR=36), and the median time in vigorous physical activity was 3 min/day (IQR=13). Participants were sedentary for 9.4 hours (564 min, IQR=171 min) and accumulated a median of 6474 steps per day (IQR=5348).Future plans The full CPS-3 cohort will be linked with the National Death Index and state cancer registries biennially. Participants will be sent triennial surveys for the next two decades. Future analyses within the CPS-3 Accelerometry Substudy more specifically aim to identify relationships between physical activity, sedentary time and health outcomes, primarily cancer incidence, survival and survivorship.https://bmjopen.bmj.com/content/15/1/e085896.full
spellingShingle Erika Rees-Punia
Alpa Patel
Jillian Nelson
Peter J Briggs
Nance Joiner
James M Hodge
Jeuneviette E Bontemps-Jones
Den E Bloodworth
Ashley Yeager
Jeshondria McCrary
Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
BMJ Open
title Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
title_full Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
title_fullStr Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
title_full_unstemmed Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
title_short Nation-wide cohort of device-measured sedentary time and physical activity in the USA—the Cancer Prevention Study-3 (CPS-3) Accelerometry Substudy: cohort profile
title_sort nation wide cohort of device measured sedentary time and physical activity in the usa the cancer prevention study 3 cps 3 accelerometry substudy cohort profile
url https://bmjopen.bmj.com/content/15/1/e085896.full
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