Longitudinal Modelling of Body Mass Index from Birth to 14 Years
Background: To examine the tracking of BMI from birth to age 14 years. Participants and Methods: Linear mixed model (LMM) analysis was used to model the trajectories of BMI (n = 1,403). Adiposity rebound was investigated for a subset of individuals (n = 173). Results: Adolescents who were overweight...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
| Published: |
Karger
2009
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| Online Access: | http://hdl.handle.net/20.500.11937/40068 |
| _version_ | 1848755765618147328 |
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| author | Chivers, P. Hands, B. Parker, H. Beilin, L. Kendall, Garth Bulsara, Max |
| author_facet | Chivers, P. Hands, B. Parker, H. Beilin, L. Kendall, Garth Bulsara, Max |
| author_sort | Chivers, P. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Background: To examine the tracking of BMI from birth to age 14 years. Participants and Methods: Linear mixed model (LMM) analysis was used to model the trajectories of BMI (n = 1,403). Adiposity rebound was investigated for a subset of individuals (n = 173). Results: Adolescents who were overweight or obese at 14 years followed a different BMI trajectory from birth compared to those of normal weight. There was a difference between weight status groups for the timing of adiposity rebound (p <0.001) and BMI at nadir (p <0.001). The LMM depicted a significant difference in rate of change of BMI over time for males and females (p <0.001), with female BMI increasing at a faster rate, andfor weight status groups (p <0.005), with the obese cohort having the faster increase in BMI over time. BMI at birth was significantly lower for the normal weight cohort compared to the overweight (p = 0.029) and obese (p = 0.019) cohorts. Conclusion: This study introduces apowerful analytic tool, LMM, to model BMI and shows that weight status at 14 years is the result of a distinct path in earlier years. Compared to their normal weight peers, overweight and obese adolescents experience an earlier adiposity rebound, with a higher BMI at rebound. |
| first_indexed | 2025-11-14T09:01:30Z |
| format | Journal Article |
| id | curtin-20.500.11937-40068 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:01:30Z |
| publishDate | 2009 |
| publisher | Karger |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-400682017-09-13T15:56:21Z Longitudinal Modelling of Body Mass Index from Birth to 14 Years Chivers, P. Hands, B. Parker, H. Beilin, L. Kendall, Garth Bulsara, Max Adiposity rebound Adolescent BMI Children - Linear mixed models Longitudinal survey Obesity - Raine Study Background: To examine the tracking of BMI from birth to age 14 years. Participants and Methods: Linear mixed model (LMM) analysis was used to model the trajectories of BMI (n = 1,403). Adiposity rebound was investigated for a subset of individuals (n = 173). Results: Adolescents who were overweight or obese at 14 years followed a different BMI trajectory from birth compared to those of normal weight. There was a difference between weight status groups for the timing of adiposity rebound (p <0.001) and BMI at nadir (p <0.001). The LMM depicted a significant difference in rate of change of BMI over time for males and females (p <0.001), with female BMI increasing at a faster rate, andfor weight status groups (p <0.005), with the obese cohort having the faster increase in BMI over time. BMI at birth was significantly lower for the normal weight cohort compared to the overweight (p = 0.029) and obese (p = 0.019) cohorts. Conclusion: This study introduces apowerful analytic tool, LMM, to model BMI and shows that weight status at 14 years is the result of a distinct path in earlier years. Compared to their normal weight peers, overweight and obese adolescents experience an earlier adiposity rebound, with a higher BMI at rebound. 2009 Journal Article http://hdl.handle.net/20.500.11937/40068 10.1159/000235561 Karger fulltext |
| spellingShingle | Adiposity rebound Adolescent BMI Children - Linear mixed models Longitudinal survey Obesity - Raine Study Chivers, P. Hands, B. Parker, H. Beilin, L. Kendall, Garth Bulsara, Max Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title | Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title_full | Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title_fullStr | Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title_full_unstemmed | Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title_short | Longitudinal Modelling of Body Mass Index from Birth to 14 Years |
| title_sort | longitudinal modelling of body mass index from birth to 14 years |
| topic | Adiposity rebound Adolescent BMI Children - Linear mixed models Longitudinal survey Obesity - Raine Study |
| url | http://hdl.handle.net/20.500.11937/40068 |