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Table 3 Comparison of QoL pretest and posttest between two groups. (Paired t-test)

From: The impacts of multiple obesity-related interventions on quality of life in children and adolescents: a randomized controlled trial

Group

QoL

Baseline

After intervention

Difference

t

P

M ± SD

M ± SD

Control

Physical

30.40 ± 5.17

30.34 ± 5.41

−0.06

−0.321

0.818

Psychological

40.12 ± 6.81

40.90 ± 7.25

0.79

2.082

0.038

Social

50.77 ± 8.41

52.53 ± 8.76

1.76

4.238

0.000

Pubertal

20.28 ± 3.68

21.43 ± 3.28

1.15

5.635

0.000

Total QoL

141.57 ± 17.98

145.20 ± 19.56

3.64

4.150

0.000

Intervention

Physical

30.07 ± 5.19

30.01 ± 5.33

−0.07

−0.282

0.778

Psychological

38.66 ± 7.25

41.44 ± 7.33

2.77

8.115

0.000

Social

50.99 ± 8.19

53.19 ± 8.88

2.20

5.872

0.000

Pubertal

19.54 ± 4.10

21.49 ± 3.66

1.95

9.501

0.000

Total QoL

139.27 ± 18.37

146.13 ± 20.08

6.86

8.405

0.000

  1. Note: Difference = After invention-Baseline