Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study
BackgroundThe prevalence of obesity is rising. Most previous studies that examined the relations between BMI and physical activity (PA) measured BMI at a single timepoint. The association between BMI trajectories and habitual PA remains unclear. ObjectiveThis stud...
| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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JMIR Publications
2022-04-01
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| Series: | JMIR Cardio |
| Online Access: | https://cardio.jmir.org/2022/1/e32348 |
| _version_ | 1797735122921848832 |
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| author | Michael M Hammond Yuankai Zhang Chathurangi H. Pathiravasan Honghuang Lin Mayank Sardana Ludovic Trinquart Emelia J Benjamin Belinda Borrelli Emily S Manders Kelsey Fusco Jelena Kornej Nicole L Spartano Vik Kheterpal Christopher Nowak David D McManus Chunyu Liu Joanne M Murabito |
| author_facet | Michael M Hammond Yuankai Zhang Chathurangi H. Pathiravasan Honghuang Lin Mayank Sardana Ludovic Trinquart Emelia J Benjamin Belinda Borrelli Emily S Manders Kelsey Fusco Jelena Kornej Nicole L Spartano Vik Kheterpal Christopher Nowak David D McManus Chunyu Liu Joanne M Murabito |
| author_sort | Michael M Hammond |
| collection | DOAJ |
| description |
BackgroundThe prevalence of obesity is rising. Most previous studies that examined the relations between BMI and physical activity (PA) measured BMI at a single timepoint. The association between BMI trajectories and habitual PA remains unclear.
ObjectiveThis study assesses the relations between BMI trajectories and habitual step-based PA among participants enrolled in the electronic cohort of the Framingham Heart Study (eFHS).
MethodsWe used a semiparametric group-based modeling to identify BMI trajectories from eFHS participants who attended research examinations at the Framingham Research Center over 14 years. Daily steps were recorded from the smartwatch provided at examination 3. We excluded participants with <30 days or <5 hours of smartwatch wear data. We used generalized linear models to examine the association between BMI trajectories and daily step counts.
ResultsWe identified 3 trajectory groups for the 837 eFHS participants (mean age 53 years; 57.8% [484/837] female). Group 1 included 292 participants whose BMI was stable (slope 0.005; P=.75), group 2 included 468 participants whose BMI increased slightly (slope 0.123; P<.001), and group 3 included 77 participants whose BMI increased greatly (slope 0.318; P<.001). The median follow-up period for step count was 516 days. Adjusting for age, sex, wear time, and cohort, participants in groups 2 and 3 took 422 (95% CI –823 to –21) and 1437 (95% CI –2084 to –790) fewer average daily steps, compared with participants in group 1. After adjusting for metabolic and social risk factors, group 2 took 382 (95% CI –773 to 10) and group 3 took 1120 (95% CI –1766 to –475) fewer steps, compared with group 1.
ConclusionsIn this community-based eFHS, participants whose BMI trajectory increased greatly over time took significantly fewer steps, compared with participants with stable BMI trajectories. Our findings suggest that greater weight gain may correlate with lower levels of step-based physical activity. |
| first_indexed | 2024-03-12T12:54:27Z |
| format | Article |
| id | doaj.art-4f5832fd251d45ae99dc47b4b5303f5b |
| institution | Directory Open Access Journal |
| issn | 2561-1011 |
| language | English |
| last_indexed | 2024-03-12T12:54:27Z |
| publishDate | 2022-04-01 |
| publisher | JMIR Publications |
| record_format | Article |
| series | JMIR Cardio |
| spelling | doaj.art-4f5832fd251d45ae99dc47b4b5303f5b2023-08-28T21:30:30ZengJMIR PublicationsJMIR Cardio2561-10112022-04-0161e3234810.2196/32348Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort StudyMichael M Hammondhttps://orcid.org/0000-0002-0157-4458Yuankai Zhanghttps://orcid.org/0000-0002-2318-7539Chathurangi H. Pathiravasanhttps://orcid.org/0000-0003-2170-1247Honghuang Linhttps://orcid.org/0000-0003-3043-3942Mayank Sardanahttps://orcid.org/0000-0001-9465-1047Ludovic Trinquarthttps://orcid.org/0000-0002-3028-4900Emelia J Benjaminhttps://orcid.org/0000-0003-4076-2336Belinda Borrellihttps://orcid.org/0000-0002-0859-796XEmily S Mandershttps://orcid.org/0000-0001-9508-1541Kelsey Fuscohttps://orcid.org/0000-0002-8805-2520Jelena Kornejhttps://orcid.org/0000-0003-3551-1145Nicole L Spartanohttps://orcid.org/0000-0002-0724-8629Vik Kheterpalhttps://orcid.org/0000-0002-4752-4229Christopher Nowakhttps://orcid.org/0000-0003-1796-9558David D McManushttps://orcid.org/0000-0002-9343-6203Chunyu Liuhttps://orcid.org/0000-0002-9160-0153Joanne M Murabitohttps://orcid.org/0000-0002-0192-7516 BackgroundThe prevalence of obesity is rising. Most previous studies that examined the relations between BMI and physical activity (PA) measured BMI at a single timepoint. The association between BMI trajectories and habitual PA remains unclear. ObjectiveThis study assesses the relations between BMI trajectories and habitual step-based PA among participants enrolled in the electronic cohort of the Framingham Heart Study (eFHS). MethodsWe used a semiparametric group-based modeling to identify BMI trajectories from eFHS participants who attended research examinations at the Framingham Research Center over 14 years. Daily steps were recorded from the smartwatch provided at examination 3. We excluded participants with <30 days or <5 hours of smartwatch wear data. We used generalized linear models to examine the association between BMI trajectories and daily step counts. ResultsWe identified 3 trajectory groups for the 837 eFHS participants (mean age 53 years; 57.8% [484/837] female). Group 1 included 292 participants whose BMI was stable (slope 0.005; P=.75), group 2 included 468 participants whose BMI increased slightly (slope 0.123; P<.001), and group 3 included 77 participants whose BMI increased greatly (slope 0.318; P<.001). The median follow-up period for step count was 516 days. Adjusting for age, sex, wear time, and cohort, participants in groups 2 and 3 took 422 (95% CI –823 to –21) and 1437 (95% CI –2084 to –790) fewer average daily steps, compared with participants in group 1. After adjusting for metabolic and social risk factors, group 2 took 382 (95% CI –773 to 10) and group 3 took 1120 (95% CI –1766 to –475) fewer steps, compared with group 1. ConclusionsIn this community-based eFHS, participants whose BMI trajectory increased greatly over time took significantly fewer steps, compared with participants with stable BMI trajectories. Our findings suggest that greater weight gain may correlate with lower levels of step-based physical activity.https://cardio.jmir.org/2022/1/e32348 |
| spellingShingle | Michael M Hammond Yuankai Zhang Chathurangi H. Pathiravasan Honghuang Lin Mayank Sardana Ludovic Trinquart Emelia J Benjamin Belinda Borrelli Emily S Manders Kelsey Fusco Jelena Kornej Nicole L Spartano Vik Kheterpal Christopher Nowak David D McManus Chunyu Liu Joanne M Murabito Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study JMIR Cardio |
| title | Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study |
| title_full | Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study |
| title_fullStr | Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study |
| title_full_unstemmed | Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study |
| title_short | Relations Between BMI Trajectories and Habitual Physical Activity Measured by a Smartwatch in the Electronic Cohort of the Framingham Heart Study: Cohort Study |
| title_sort | relations between bmi trajectories and habitual physical activity measured by a smartwatch in the electronic cohort of the framingham heart study cohort study |
| url | https://cardio.jmir.org/2022/1/e32348 |
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