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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.