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Table 5 Effects on determinants for PA and SB, by weight status and parental education level

From: Mid-way and post-intervention effects on potential determinants of physical activity and sedentary behavior, results of the HEIA study - a multi-component school-based randomized trial

  

Control

Intervention

 

Control

Intervention

 
  

Baseline Crude Mean SD

Baseline Crude Mean SD

p1

Adjusted

Mean†

95% CI

Adjusted

Mean

95% CI

p2

Mid-way

     

Self-efficacy

Normal weight

3.89 (0.74)

3.87(0.78)

.63

3.96

(3.92, 4.01)

4.06

(4.00, 4.12)

.01

 

Overweight

3.74 (0.85)

3.69 (0.82)

.70

3.80

(3.70, 3.91)

3.63

(3.46, 3.80)

.09

Post-intervention

     

Enjoyment

Normal weight

4.14 (0.75)

4.10 (0.77)

.45

3.96

(3.90, 4.02)

3.94

(3.86, 4.02)

.67

 

Overweight

4.08 (0.84)

3.99 (0.71)

.49

3.92

(3.78, 4.06)

3.58

(3.37, 3.79)

.009

Social support from parents

Low PE (≤12 years)

2.32 (0.80)

2.50 (0.93)

.08

2.30

(2.21, 2.40)

2.28

(2.15, 2.42)

.81

 

Medium PE (13 to 16 years)

2.44 (0.80)

2.35 (0.67)

.20

2.38

(2.30, 2.46)

2.21

(2.11, 2.32)

.01

 

High PE (>16 years)

2.35 (0.69)

2.31 (0.68)

.52

2.20

(2.13, 2.28)

2.24

(2.15, 2.34)

.53

Social support from teachers

Low PE (≤ 12 years)

1.76 (0.76)

1.72 (0.91)

.70

1.49

(1.41, 1.57)

1.72

(1.60, 1.83)

.001

 

Medium PE (13 to 16 years)

1.73 (0.73)

1.66 (0.70)

.28

1.51

(1.44, 1.58)

1.49

(1.40, 1.58)

.66

 

High PE (>16 years)

1.57 (0.61)

1.87 (0.86)

<.001

1.40

(1.33, 1.47)

1.60

(1.51, 1.69)

.001

  1. PA = Physical activity, SB = Sedentary behavior, SD = Standard deviation, CI = Confidence interval, PE = parental education level.
  2. One-way Ancova analyses,
  3. n for Control vs. Intervention in analyses for subgroups: normal weight (737–752 vs. 404–417), overweight (121–125 vs. 51–53), low PE (261–266 vs 120), medium PE (302–311 vs 178), high PE (285–287 vs.171).
  4. † Adjusted for baseline values.
  5. p1 = Independent t-test, p2 = One way Ancova.
  6. Sample: Norwegian adolescents 11-13 year-olds from the HEIA study.