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Table 6 Scores for psychosocial measures at follow-up for participants randomised to usual practice (control) or to the Girls Active programme (intervention)

From: Effectiveness of the ‘Girls Active’ school-based physical activity programme: A cluster randomised controlled trial

  Number of schools | pupils Adjusted difference at follow-upa
Control Intervention Coefficient (95% C.I.) P value ICC
Intentions to be physically activeb
 Baseline 10 | 871 10 | 842    
 7 months 8 | 623 10 | 776 -0.15 (-0.33 to 0.03) 0.094 < 0.001
 14 months 9 | 569 10 | 734 -0.21 (-0.37 to -0.05) 0.012 < 0.001
Perceived importance of PAc
 Baseline 10 | 849 10 | 828    
 7 months 8 | 621 10 | 768 -0.42 (-0.66 to -0.18) < 0.001 < 0.001
 14 months 9 | 557 10 | 729 -0.13 (-0.41 to 0.15) 0.350 < 0.001
Attitudes towards being physically actived
Positive
 Baseline 10 | 877 10 | 863    
 7 months 8 | 626 10 | 775 -0.02 (-0.13 to 0.09) 0.775 0.01
 14 months 9 | 573 10 | 737 -0.03 (-0.07 to 0.02) 0.250 < 0.001
Negative
 Baseline 10 | 877 10 | 863    
 7 months 8 | 627 10 | 775 0.01 (-0.05 to 0.08) 0.661 0.003
 14 months 9 | 573 10 | 737 0.04 (-0.04 to 0.11) 0.359 0.001
Whole
 Baseline 10 | 877 10 | 863    
 7 months 8 | 627 10 | 775 -0.02 (-0.10 to 0.06) 0.667 0.01
 14 months 9 | 573 10 | 737 -0.03 (-0.08 to 0.02) 0.267 < 0.001
Social support for PA from familye
 Baseline 10 | 876 10 | 863    
 7 months 8 | 626 10 | 774 0.03 (-0.05 to 0.12) 0.445 < 0.001
 14 months 9 | 571 10 | 735 -0.05 (-0.11 to 0.01) 0.105 < 0.001
Social support for PA received from peerse
 Baseline 10 | 874 10 | 863    
 7 months 8 | 626 10 | 773 -0.01 (-0.12 to 0.10) 0.880 0.01
 14 months 9 | 567 10 | 734 0.01 (-0.07 to 0.09) 0.762 0.01
School-based social support for PA
Physical environmente
 Baseline 10 | 878 10 | 862    
 7 months 8 | 627 10 | 773 0.03 (-0.10 to 0.15) 0.684 0.03
 14 months 9 | 571 10 | 734 -0.13 (-0.24 to -0.01) 0.032 0.04
Social environmente
 Baseline 10 | 878 10 | 861    
 7 months 8 | 626 10 | 773 -0.01 (-0.10 to 0.07) 0.758 0.026
 14 months 9 | 570 10 | 734 -0.07 (-0.15 to 0.01) 0.080 0.009
PE teachersf
 Baseline 10 | 874 10 | 859    
 7 months 8 | 624 10 | 774 -0.03 (-0.23 to 0.16) 0.733 0.026
 14 months 9 | 567 10 | 731 -0.21 (-0.45 to 0.02) 0.074 0.018
Confidence to take part in PA (self-efficacy)d
 Baseline 10 | 879 10 | 853    
 7 months 8 | 625 10 | 774 -0.02 (-0.09 to 0.04) 0.472 < 0.001
 14 months 9 | 568 10 | 733 -0.08 (-0.14 to -0.02) 0.013 < 0.001
Enjoyment of PAg
 Baseline 10 | 876 10 | 851    
 7 months 8 | 625 10 | 772 -0.03 (-0.14 to 0.08) 0.592 0.140
 14 months 9 | 566 10 | 731 -0.04 (-0.12 to 0.04) 0.361 < 0.001
Motivation to take part in PAg
Extrinsic
 Baseline 10 | 877 10 | 842    
 7 months 8 | 626 10 | 771 -0.02 (-0.11 to 0.07) 0.680 < 0.001
 14 months 9 | 568 10 | 735 -0.01 (-0.15 to 0.13) 0.919 0.009
Introjected
 Baseline 10 | 878 10 | 842    
 7 months 8 | 626 10 | 771 -0.05 (-0.11 to 0.02) 0.143 < 0.001
 14 months 9 | 568 10 | 735 -0.05 (-0.14 to 0.04) 0.260 < 0.001
Identified
 Baseline 10 | 878 10 | 842    
 7 months 8 | 626 10 | 771 -0.02 (-0.15 to 0.10) 0.700 0.020
 14 months 9 | 568 10 | 735 -0.09 (-0.18 to -0.01) 0.032 < 0.001
Intrinsic
 Baseline 10 | 878 10 | 842    
 7 months 8 | 626 10 | 771 -0.01 (-0.18 to 0.18) 0.990 0.028
 14 months 9 | 568 10 | 735 -0.06 (-0.16 to -0.04) 0.243 0.002
Amotivation
 Baseline 10 | 877 10 | 841    
 7 months 8 | 626 10 | 771 -0.03 (-0.15 to 0.09) 0.578 0.007
 14 months 9 | 568 10 | 735 -0.02 (-0.14 to 0.09) 0.684 0.002
Physical self-perceptione
Self-esteem
 Baseline 10 | 760 10 | 700    
 7 months 8 | 622 10 | 769 0.06 (0.01 to 0.11) 0.025 < 0.001
 14 months 9 | 535 10 | 730 -0.06 (-0.13 to 0.01) 0.086 < 0.001
Physical self-worth
 Baseline 10 | 760 10 | 699    
 7 months 8 | 622 10 | 769 -0.01 (-0.07 to 0.05) 0.742 0.007
 14 months 9 | 535 10 | 730 -0.03 (-0.09 to 0.03) 0.322 0.006
Body attractiveness
 Baseline 10 | 760 10 | 699    
 7 months 8 | 622 10 | 769 -0.05 (-0.12 to 0.03) 0.195 < 0.001
 14 months 9 | 535 10 | 730 0.02 (-0.05 to 0.08) 0.630 < 0.001
  1. IQR interquartile range; CI confidence interval; ICC intra-class correlation; PA physical activity
  2. aBased on a complete case analysis, adjusted difference at follow-up between randomised groups with 95% confidence interval, p value and ICC for schools; adjusted for cluster effect, baseline value, participant year group, school %free school meal eligibility and stratification categories (school size and percentage of non-White pupils)
  3. bScore ranges from 1 = ‘very unlikely’ to 7 = ‘very likely’
  4. cScale ranges from 1 = ‘very unimportant’ to 10 = ‘very important’
  5. dScore ranges from 1 = ‘disagree a lot’ to 5 = ‘agree a lot’
  6. eScore ranges from 1 = ‘strongly disagree’ to 5 = ‘strongly agree’
  7. fScore ranges from 1 = ‘strongly disagree’ to’ 7 = ‘strongly agree’
  8. gScore ranges from 1 = ‘no not at all’ to 5 = ‘yes a lot’