Trajectories of objectively measured physical activity and childhood overweight: longitudinal analysis of the IDEFICS/I.Family cohort

Table 5 Association between the combinations of different weight status according BMI percentiles at baseline and follow-up with average duration of MVPA per day at 2-year (N = 3393) and 6-year follow-up (N = 1899)

Exposure: Weight categories (baseline ➔ follow-up)	MVPA (min./day) at 2-year follow-up			MVPA (min./day) at 6-year follow-up
Exposure: Weight categories (baseline ➔ follow-up)	N (%)	β^a (95% CI)	p-value	N	β^a (95% CI)	p-value
NW ➔ NW (Ref.)	2512 (74.0%)	0	/	1349 (71.0%)	0	/
NW ➔ OW	249 (7.3%)	−4.612 (− 7.548;-1.676)	0.004	219 (11.5%)	− 7.512 (− 10.700;-4.323)	<.001
OW ➔ NW	87 (2.6%)	0.917 (−3.887;5.721)	0.696	87 (4.6%)	1.790 (−3.055;6.635)	0.450
OW ➔ OW	545 (16.1%)	−2.103 (−4.297;0.091)	0.059	244 (12.8%)	−3.657 (− 6.838;-0.475)	0.026

Abbreviations: BMI body mass index, MVPA moderate-to-vigorous physical activity, CI confidence interval, OW overweight children (>90th percentile of BMI), NW normal weight children (≤90th percentile of BMI) based on the (IOTF) BMI percentile curves updated by Cole & Lobstein [29]
^aEstimates were adjusted for age, sex, parental education, baseline MVPA, duration between baseline and follow-up survey, and country

ISSN: 1479-5868