Veldhuijzen, A. (Anne) (2013) Beweeglijkheid, lichamelijke activiteit en BMI z-scores van kinderen in de eerste 45 levensmaanden. thesis, Medicine.
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Abstract
Background: Worldwide, overweight is an increasing problem, which already starts at a very young age (0-5 years). It’s not yet fully known which factors - such as physical activity, sedentary behaviours, diet, environmental factors or genetics - affect weight status at a very young age. Objectives: The relationship between objectively assessed physical activity and BMI z-scores at 45 months and the relationship between parental report of children’s physical dynamicity at 11 and 18 months and objectively assessed physical activity at 45 months was studied. Methods: In a subgroup of the GECKO Drenthe cohort physical activity of 299 children was measured using accelerometers. BMI z-scores were calculated from objective measurements at 45 months. Parents reported at 11 and 18 months how physically dynamic their child was. Other information about the child (gender, birth weight, prematurity, outdoor play, television viewing) and the parents (length, weight, physical activity, ethnicity, educational level) was received from questionnaires. Due to skewed deviation BMI of the mother was transformed to 1/BMI. After multiple imputation, univariate and multivariate linear regression analysis was performed. Results: No relationship was found between objectively assessed physical activity and BMI z-scores at 45 months (β=7.68x10-5 (p=0.296)). Birth weight and BMI of the father were positively related and 1/(BMI of the mother) was negatively related to BMI z-scores (β=2.31x10-4 (p=0.013), β= 4.90x10-2 (p=0.006) and β= -30.4 (p=0.004, respectively). Parental report of the child’s activity at 11 and 18 months was not significantly related to objectively assessed physical activity at 45 months (β= 29.0 (p=0.739) and β= 96.1 (p=0.331), respectively). Conclusion: Objectively assessed physical activity was not related to BMI z-scores. In this study, parental report of the child’s activity was not related to objectively assessed physical activity. Longitudinal research and intervention studies to investigate this relationship are necessary.
| Item Type: | Thesis (Thesis) |
|---|---|
| Supervisor name: | Küpers, L.K. and Corpeleijn, Dr. Ir. E. |
| Faculty: | Medical Sciences |
| Date Deposited: | 25 Jun 2020 11:00 |
| Last Modified: | 25 Jun 2020 11:00 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/1994 |
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