Table 1. Baseline characteristics of all individuals included in the NULevel trial.
| Baseline characteristic | Control group (n = 144) | Intervention group (n = 144) |
|---|---|---|
| Age (y) | 41.6 (11.4) | 42.0 (11.6) |
| Female, n (%) | 113 (78.5%) | 110 (76.4%) |
| Weight (kg) | 85.5 (15.9) | 85.6 (17.5) |
| Height (m) | 1.67 (0.09) | 1.67 (0.09) |
| BMI (kg/m2) | 30.8 (5.2) | 30.9 (5.5) |
| Pretrial 12-month highest weight (kg) | 99.8 (20.7) | 98.2 (19.5) |
| Pretrial weight loss (kg) | −14.4 (11.6) | −12.6 (7.2) |
| Pretrial weight loss (% highest) | −13.9 (7.8) | −12.8 (6.5) |
| Waist circumference (cm) | 94.6 (14.7) | 93.6 (13.4) |
| Hip circumference (cm) | 110.3 (11.6) | 110.0 (11.2) |
| Systolic BP (mmHg) | 121.4 ± 18.7 | 123.9 (16.3) |
| Diastolic BP (mmHg) | 77.6 (10.1) | 76.5 (10.1) |
| Resting heart rate (BPM) | 70.6 (11.6) | 71.9 (11.0) |
| Physical activity (TAC/d) | 476,753 (162,930) | 476,615 (160,932) |
| Highest level of education, n (%) | ||
| Bachelor’s degree or higher | 71 (50.0%) | 81 (56.2%) |
| Post-16 qualification (e.g., HND/A-level) | 31 (21.5%) | 34 (23.6%) |
| GCSE/O-level or below | 41 (28.5%) | 29 (24.3%) |
| Employment status, n (%) | ||
| Full employment | 88 (61.1%) | 87 (60.4%) |
| Part-time employment | 25 (17.4%) | 25 (17.4%) |
| Retired | 10 (6.9%) | 17 (11.8%) |
| No paid employment | 21 (14.7%) | 15 (10.5%) |
| Household income, n (%) | ||
| <£10,000 | 6 (4.2%) | 5 (3.5%) |
| £10,001–£40,000 | 66 (45.9%) | 70 (48.7%) |
| £40,001–£70,000 | 52 (36.1%) | 50 (34.7%) |
| >£70,000 | 20 (13.9%) | 19 (13.2%) |
Values are mean (SD) for continuous variables and frequencies (%) for categorical variables.
Abbreviations: BMI, body mass index; BP, blood pressure; BPM, beats per minute; GCSE/O-Level, General Certificate of Secondary Education/Ordinary Level; HND/A-level, Higher National Diploma/Advanced Level; TAC/d, total activity counts per day.