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Table 4 Scores for social support, self-efficacy and perceived benefits and barriers to exercise at T0, T1 and T2

From: Effects of a peer-led Walking In ScHools intervention (the WISH study) on physical activity levels of adolescent girls: a cluster randomised pilot study

 

Control (n = 87)

Intervention (n = 96)

Group time (p)a

Mean

SD

Mean

SD

Social support from female parent/guardian

0.964

 Baseline (T0)

3.14

0.70

3.11

0.71

 

 End of intervention (T1)

3.19

1.11

3.17

0.76

 

 4 months post intervention (T2)

2.99b

0.76

3.01

0.83

 

Social support from male parent/guardian

0.220

 Baseline (T0)

2.93

0.80

2.95

0.89

 

 End of intervention (T1)

2.80

0.83

3.02

0.87

 

 4 months post intervention (T2)

2.65b

0.83

2.83c

0.91

 

Social support from friends

0.001

 Baseline (T0)d

2.57

0.79

2.90

0.73

 

 End of intervention (T1)e

2.69

0.84

3.07f

0.72

 

 4 months post intervention (T2)

2.52

0.76

2.91

0.85

 

Self-efficacy for PA

0.859

 Baseline (T0)

1.85

0.47

1.94

0.52

 

 End of intervention (T1)

1.91

0.51

1.88

0.52

 

 4 months post intervention (T2)

1.98b

0.57

1.89

0.53

 

Self-efficacy for walking

0.103

 Baseline (T0)

1.85

0.48

1.78

0.51

 

 End of intervention (T1)

1.92

0.52

1.81

0.54

 

 4 months post intervention (T2)

1.95

0.59

1.81

0.55

 

Perceived barriers to PA

0.340

 Baseline (T0)

2.94

0.44

2.87

0.54

 

 End of intervention (T1)

2.99

0.56

2.89

0.52

 

 4 months post intervention (T2)

2.85c

0.55

2.83

0.66

 

Perceived benefits to PA

0.177

 Baseline (T0)

1.78

0.39

1.67

0.40

 

 End of intervention (T1)

1.77

0.45

1.71

0.45

 

 4 months post intervention (T2)

1.76

0.49

1.69

0.49

 
  1. PA Physical activity
  2. aDifferences between groups compared using mixed between-within subjects ANOVA
  3. bSignificantly different (p < 0.05) changes within groups from T0 to T2
  4. cSignificantly different (p < 0.05) within groups from T1 to T2
  5. dSignificantly different (p < 0.05) changes between groups from T0 to T1
  6. eSignificantly different (p < 0.05) changes between groups from T1 to T2
  7. fSignificantly different (p < 0.05) changes within groups from T0 to T1