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Table 2 Baseline level predictors of longitudinal change a in activity dose (MET*h/wk) among insufficiently active primary care patients included in the PEPAF trial

From: Predictors of long-term change of a physical activity promotion programme in primary care

  Adjusted MET*h/wk change (95% CI) P-value
Time independent predictors   
Age   0.005
< 50 Reference  
≥ 50 1.13 (0.34 to 1.92)  
Sex   <.0001
Female Reference  
Male 3.08 (2.31 to 3.85)  
Social class   0.004
Manual worker Reference  
Manager large enterprise 2.27 (0.74 to 3.79)  
Manager small enterprise 1.07 (−0.48 to 2.62)  
Intermediate employee 1.39 (−0.36 to 3.15)  
BMI   0.0001
Obese Reference  
Normal weight 1.76 (0.78 to 2.75)  
Overweight 1.77 (0.90 to 2.64)  
Diabetes 1.92 (0.57 to 3.24) 0.0051
Measurement season   <.0001
Winter Reference  
Spring 3.29 (1.65 to 4.94)  
Summer 1.64 (0.06 to 3.21)  
Autumn 1.77 (0.93 to 2.60)  
Time dependent predictors   
Baseline readiness to change   <.0001
Pre-contemplation Reference  
Contemplation   
6 month 1.40 (0.20 to 2.59)
12 month 1.04 (−0.35 to 2.44)
24 month 1.27 (−0.31 to 2.88)
Preparation   
6 month 1.40 (0.11 to 2.71)
12 month 0.58 (−0.95 to 2.12)
24 month 1.72 (−0.04 to 3.49)
Action   
6 month 1.41 (−1.10 to 3.91)
12 month 4.03 (1.04 to 7.02)
24 month 2.40 (−0.89 to 5.70)
Maintenance   
6 month 3.62 (1.79 to 5.45)
12 month 6.47 (4.33 to 8.61)
24 month 7.95 (5.54 to 10.37)  
  1. aAdjusted for group by time interaction, reported elsewhere [23].