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Table 4 Maintenance of changes between 6- and 12-months amongst intervention participants with data at both timepoints

From: The community-based prevention of diabetes (ComPoD) study: a randomised, waiting list controlled trial of a voluntary sector-led diabetes prevention programme

 6 months
n = 134
unless indicated
12 months
n = 134
unless indicated
Mean change
(95% CI)
p value
Primary outcome
 Mean (SD) weight (kg)85.52 (16.54)85.88 (17.01)0.36 (−0.20 to 0.91)0.206
Secondary weight-related outcomes
 N (%) > 3% weight loss from baseline45 (34)15 (11)N/A 
 N (%) > 5% weight loss from baseline28 (21)8 (6)N/A 
 Mean (SD) BMI (kg/m2)31.16 (4.60)31.28 (4.78)0.13 (−0.08 to 0.33)0.239
 Mean (SD) waist circumference (cm)102.46a (12.67)101.96a (12.59)−0.64 (−1.29 to 0.00)0.051
Other secondary objective outcomes
 Mean (SD) HbA1c (mmol/mol)39.32a (2.65)39.52a (3.09)0.20 (−0.30 to 0.69)0.438
 Mean (SD) BP systolic (mmHg)136.95a (17.11)137.91a (19.28)0.96 (−1.54 to 3.47)0.448
 Mean (SD) BP diastolic (mmHg)77.90a (9.83)78.30a (11.25)0.40 (−1.02 to 1.82)0.579
 Mean (SD) total mins moderate-vigorous activity (MVPA) per week344.87b (221.54)355.06b (247.65)10.18 (−23.01 to 43.39)0.544
 Mean (SD) total mins MVPA in 10+ min bouts per week92.88b (140.75)84.78b (137.82)−8.09 (−28.34 to 12.15)0.429
 N (%) meeting recommendation for 150 mins MVPA in 10+ min bouts per week17b (20)13b (15)NA 
Secondary self-reported outcomes
 Dietary behaviour fat subscale scores (0 to 3, lower better)1.81c (0.34)1.83c (0.31)0.02 (−0.02 to 0.07)0.362
 Dietary behaviour fibre subscale score (0 to 3, higher better)2.30c (0.37)2.28c (0.39)−0.03 (− 0.08 to 0.02)0.293
 Mean (SD) health rating (0–100, higher better)77.34c (16.71)78.34c (16.74)1.00 (−1.74 to 3.74)0.472
 Mean (SD) life satisfaction rating (0–10, higher better))7.74b (1.75)7.84b (1.58)0.10 (−0.15 to 0.34)0.425
 Mean (SD) mental well-being scores (0–35, higher better)27.26d (4.91)27.57d (4.57)0.32 (−0.34 to 0.98)0.342
  1. an = 133; bn = 87; cn = 130; dn = 129