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Table 4 Mediation of change in physical activity by psychological process variables (OR and 95% CIs from ordinal regression models)

From: Psychosocial mediators of change in physical activity in the Welsh national exercise referral scheme: secondary analysis of a randomised controlled trial

  Model 1 Model 2 Pseudo R2for model 2
Intervention → Physical activity (unadjusted) Mediator → Physical activity (where entered alongside trial term) Intervention → Physical activity after adjusting for mediator
Autonomous motivation (n = 663) 1.39 (1.06 to 1.83) 1.36 (1.17 to 1.58) 1.27 (0.96 to 1.67) 0.03
SS family (Sallis) (n = 633) 1.46 (1.10 to 1.93) 1.29 (1.11 to 1.51) 1.38 (1.04 to 1.84) 0.03
SS friends (n = 611) 1.40 (1.05 to 1.87) 1.30 (1.06 to 1.59) 1.37 (1.03 to 1.83) 0.03
  1. Significant associations (p < 0.05) in bold.