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Table 5 Cluster-level analysis of weight management variables and lifestyle advice with imputed outcomes at baseline

From: Cluster randomised trial of a tailored intervention to improve the management of overweight and obesity in primary care in England

 

Control (n = 13)

Intervention (n = 12)

Mean difference

 

Baseline (imputed)

Follow-up

Baseline (imputed)

Follow-up

Mean (95 % CI)

p value

Weight management

8.8 % (8.5 %)

14.7 % (11.9 %)

5.1 % (2.8 %)

13.6 % (6.4 %)

3.7 (−2.5, 9.9)

0.23

Referral to external weight loss services

4.5 % (5.8 %)

4.3 % (3.0 %)

2.8 % (3.0 %)

3.8 % (3.6 %)

0.5 (−2.2, 3.1)

0.73

Internal weight management

4.2 % (4.0 %)

9.9 % (10.1 %)

2.3 % (2.0 %)

9.0 % (7.1 %)

3.3 (−1.7, 8.3)

0.18

Lifestyle assessment

0.0 % (0.0 %)

23.4 % (8.2 %)

0.9 % (2.1 %)

24.3 % (5.8 %)

−0.2 (−6.9, 6.5)

0.95

  1. The outcomes here are continuous cluster-summary variables (percentage of patients with the outcome) as opposed to patient-level binary variables. xx.x% (xx.x%) = mean (SD). A mean difference >0 favours the intervention group