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Table 2 Anthropometric changes from baseline to follow-up in the intervention group and school-based control group

From: Evaluation of a school-based multicomponent behavioural intervention in deprived urban areas for children classified as overweight, obese or at risk for overweight

 

Intervention group (N = 195)

School-based control group (N = 166)

p-valuea

Mean (SD) difference or N (%)

Mean (SD) difference or N (%)

Change in BMI (kg/m2)

0.10 (0.88)

0.69 (1.40)

 < 0.01

Change in BMI SDS

− 0.13 (0.22)

− 0.06 (0.26)

0.02

BMI SDS reduction

0.08

 None Δ BMI-SDS > 0

60 (31)

72 (43)

 

 Minimal Δ BMI-SDS ≤ 0 ≤ − 0.25

84 (43)

63 (38)

 

 Successful Δ BMI-SDS ≤ − 0.25 ≤ − 0.5

38 (19)

22 (13)

 

 Highly successful Δ BMI-SDS ≤ − 0.50

13 (7)

9 (5)

 
  1. Follow-up measurement intervention group at the end of the program; follow-up measurement school-based control group in the next school year
  2. aUnpaired t-test or chi-squared test