Table 1 Sample characteristicss
|  | PNI (n = 98–109)a | WAP (n = 197–221)a |
|---|---|---|
Age (years): mean (SD) | 45·1 (14·2) | 46·6 (15·0) |
Female: N (%) | 75 (68.8) | 161 (72.9) |
Married or living with partner N (%) | 49 (44.9) | 92 (41.6) |
Ethnicity: White British N (%) | 46 (42.6) | 85 (38.0) |
Education: A-Level and above N (%) | 53 (49.1) | 101 (45.7) |
In paid employment N (%) | 57 (52.3) | 103 (46.6) |
Entitled to free prescriptions: N (%) | 62 (56.9) | 133 (60.2) |
Current smoker: N (%) | 18 (16.5) | 35 (15.8) |
Weight (kg): mean (SD) | 98·3 (16·6) | 95·5 (15·8) |
BMI: mean (SD) | 35·7 (4·3) | 35·0 (4·2) |
Waist circumference: mean (SD) | 114·2 (10·1) | 113·4 (10·7) |
Systolic blood pressure: mean (SD) | 134·8 (15·9) | 134·5 (16·7) |
Diastolic blood pressure: mean (SD) | 80·6 (8·6) | 81·3 (10·5) |
Number of previous attempts at weight loss: median (IQR) | 3 (2, 5) | 3 (1, 5) |
Greatest previous amount of weight loss: median (IQR) | 9·3 (5·0, 19·1) | 10·9 (6·0, 19·1) |