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Table 4 Effect of intervention on the P-Score (n = 1599) for high, medium and low scores at baseline

From: Improving diet, physical activity and other lifestyle behaviours using computer-tailored advice in general practice: a randomised controlled trial

Prudence Score Category#

Mean score at baseline (SE)

Mean score at 3 months (SE)

Net difference

Repeated measures ANOVA*

Low Scorer (0–4)

    

Intervention

3.40 (0.047)

4.58 (0.113)

1.18

F = 4.18 p = 0.04

Control

3.44 (0.053)

4.26 (0.109)

0.82

Medium Scorer (5–7)

    

Intervention

6.00 (0.030)

6.32 (0.059)

0.32

F = 6.82 p = 0.01

Control

5.92(0.031)

6.04(0.058)

0.12

High Scorer (8–10)

    

Intervention

8.33 (0.048)

8.04 (0.101)

−0.29

F = 4.97 p = 0.03

Control

8.33 (0.044)

7.33 (0.109)

−1.0

 
  1. *ANOVA adjusted for gender and age.
  2. # Participants grouped into 3 score categories based on their baseline health scores.