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Table 3 Baseline and 4-year follow-up post-intervention measurements of BMI categorized as OW and OB in the intervention and control groups

From: Follow-up of a healthy lifestyle education program (the EdAl study): four years after cessation of randomized controlled trial intervention

 

Baseline, n (%)

4-year follow-up post-intervention, n (%)

p-value Baseline to 4-year follow-up post-interventiona

p-value Intervention vs. Controlb

WHO Criteriac

 OW

  Intervention

Boys

39 (21.9)

31 (17.4)

0.322

0.314

Girls

38 (22.2)

12 (7.0)

<0.001

0.602

Total

77 (22.1)

43 (12.3)

<0.001

0.238

  Control

Boys

8 (11.8)

6 (8.8)

0.774

 

Girls

18 (20.9)

12 (14.0)

0.286

 

Total

26 (16.9)

18 (11.7)

0.229

 

 OB

  Intervention

Boys

24 (13.5)

3 (1.7)

<0.001

0.019

Girls

11 (6.4)

4 (2.3)

0.039

0.560

Total

35 (10.0)

7 (2.0)

<0.001

0.205

  Control

Boys

5 (7.4)

3 (4.4)

0.500

 

Girls

6 (7.0)

2 (2.3)

0.289

 

Total

11 (7.1)

5 (3.2)

0.109

 

IOTF Criteriad

 OW

  Intervention

Boys

39 (21.9)

30 (16.9)

0.163

0.238

Girls

30 (17.5)

11 (6.4)

0.002

0.581

Total

69 (19.8)

41 (11.7)

0.001

0.244

  Control

Boys

6 (8.8)

3 (4.4)

0.375

 

Girls

18 (20.9)

9 (10.5)

0.022

 

Total

24 (15.6)

5 (3.2)

0.008

 

 OB

  Intervention

Boys

4 (2.2)

1 (0.6)

0.375

0.578

Girls

8 (4.7)

4 (2.3)

0.289

0.430

Total

12 (3.4)

5 (1.4)

0.092

0.186

  Control

Boys

3 (4.4)

3 (4.4)

1.000

 

Girls

1 (1.2)

2 (2.3)

1.000

 

Total

4 (2.6)

5 (3.2)

1.000

 
  1. BMI body mass index, IOTF International Obesity Task Force, OW overweight, OB obesity, WHO World Health Organization
  2. Bold text indicates significant values
  3. The 4-year follow-up post-intervention measurements were conducted over the 2014 academic year in Reus (intervention group) and in Cambrils, Salou and Vila-seca (control group)
  4. aFisher’s exact test
  5. bMcNemar’s test
  6. cThe WHO criteria cutoff points (2007) were used for the BMI classification
  7. dThe IOTF criteria cutoff points (Cole, 2000) were used for the BMI classification