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Table 4 Effects on determinants for PA and SB mid-way and post intervention

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  
  Mean 95% CI Mean 95% CI p
Mid-way      
Enjoyment 4.07 (4.03, 4.12) 4.15 (4.10, 4.21) .03
Self-efficacy 3.94 (3.90, 3.98) 4.01 (3.95, 4.06) .05
Perceived social support from parents 2.44 (2.40, 2.49) 2.43 (2.37, 2.49) .77
Perceived social support from teachers 1.63 (1.58, 1.67) 1.73 (1.67, 1.78) .003
Post-intervention      
Enjoyment 3.95 (3.90, 4.00) 3.89 (3.82, 3.96) .19
Self-efficacy 3.86 (3.81, 3.91) 3.76 (3.70, 3.83) .02
Social support from parents 2.31 (2.26, 2.36) 2.24 (2.18, 2.31) .10
Social support from teachers 1.48 (1.44, 1.52) 1.59 (1.54, 1.65) .001
Social support from friends 2.80 (2.74, 2.86) 2.82 (2.74, 2.90) .76
Environmental opportunities for PA 4.12 (4.07, 4.18) 4.21 (4.13, 4.28) .08
Parental regulation TV-viewing 3.42 (3.35, 3.48) 3.37 (3.29, 3.46) .40
Parental regulation computer/game-use 3.28 (3.21, 3.34) 3.30 (3.21, 3.39) .68
Social inclusion at school 4.36 (4.31, 4.40) 4.33 (4.27, 4.39) .47
  1. PA = Physical activity, SB = Sedentary behavior, CI = Confidence intervals.
  2. One-way Ancova analyses.
  3. Adjusted for baseline values of determinants.
  4. Sample: Norwegian adolescents 11-13 year-olds from the HEIA study.