Baseline characteristics by study group and for the whole sample (N=450 unless stated)
| Control group | Intervention | Both groups | |
| N | 226 | 224 | 450 |
| Gender—n male (%) | 84 (37) | 76 (34) | 160 (36) |
| Age—mean (SD) (range) | 51 (14) (18–75) | 50 (13) (20–73) | 50 (12) (18–75) |
| BMI—mean (SD) (range) | 32.5 (4.4) (18.8–40.5) | 32.7 (4.5) (18.8–40.4) | 32.6 (4.4) (18.8–40.5) |
| GP PAQ Score—n (%) | |||
| 2 (inactive) | 144 (63.7%) | 149 (66.5%) | 293 (65.1%) |
| 3 (moderately inactive) | 82 (36.3%) | 75 (33.5%) | 157 (34.9%) |
| Ethnicity—n (%) | |||
| White | 195 (86.3%) | 179 (79.9%) | 374 (83.1%) |
| South Asian | 11 (4.9 %) | 16 (7.2 %) | 28 (6.2 %) |
| Other | 20 (8.8 %) | 28 (12.6 %) | 48 (10.7 %) |
| Relationship status—n (%) | |||
| Single, widowed, divorced, or dissolved or surviving civil partnership | 124 (54.9%) | 112 (50%) | 236 (52.4%) |
| Married or civil partnership | 102 (45.1%) | 112 (50%) | 214 (47.6%) |
| Domestic residence status (live with …)—n (%) | |||
| Live alone | 59 (26.1%) | 48 (21.4%) | 107 (23.8%) |
| Live with others (eg, parent, child, other family or non-family member or partner) | 167 (73.9%) | 176 (78.6%) | 343 (76.2%) |
| Education status—n (%) | |||
| No qualifications | 52 (23.0%) | 29 (12.9%) | 81 (18.0%) |
| GCEs | 146 (64.6%) | 162 (72.3%) | 308 (68.4%) |
| A-level | 71 (31.4%) | 96 (42.9%) | 167 (37.1%) |
| First degree or above | 58 (25.6%) | 74 (33%) | 132 (29.3%) |
| Other | 108 (47.8%) | 104 (46.4%) | 212 (47.1%) |
| Participant’s perceived possible reason versus main reason for GP referral—n (%) | |||
| Prediabetes or diabetes | 55 (24.8) versus 24 (11) | 57 (26.5) versus 25 (12) | 112 (25.6) versus 49 (11) |
| Lower limb osteoarthritis | 64 (28.3%) versus 27 (12) | 45 (20.1) versus 26 (12) | 109 (24.2) versus 53 (12) |
| Weight loss | 182 (80.5) versus 114 (50) | 182 (81.3) versus 113 (50) | 364 (80.9) versus 227 (50) |
| Low mood | 122 (54.0) versus 42 (18) | 121 (54.0) versus 42 (19) | 243 (54.0) versus 84 (19) |
| High blood pressure | 79 (35.0) versus 19 (8) | 68 (30.4) versus 18 (8) | 147 (32.7) versus 37 (8) |
| Smoking status—n (%) | |||
| Smoker | 34 (15.0%) | 32 (14.3%) | 66 (14.7%) |
| Ex-smoker | 90 (39.8%) | 89 (39.7%) | 179 (39.8%) |
| Never smoked | 102 (45.1%) | 103 (46.0%) | 205 (45.6%) |
| IT literacy/confidence level—n (%)1 | |||
| Low | 36 (16%) | 35 (16%) | 72 (16%) |
| High | 190 (84%) | 189 (84%) | 379 (84%) |
| Site—n (%) | |||
| Birmingham | 78 (34%) | 76 (34%) | 154 (34%) |
| Glasgow | 69 (31%) | 72 (32%) | 141 (31%) |
| Plymouth | 79 (35%) | 76 (34%) | 155 (35%) |
| Weekly MVPA minutes (in ≥10 min bouts)—n, mean (SD)*Median (IQR) | 201, 30.2 (105.8) 201, 0 (0, 23.3) | 207, 31.8 (53.7) 207, 7.5 (0, 41.1) | 408, 31.0 (83.4) 408, 0 (0–30.3) |
| Weekly MVPA minutes (no bouts)—n, mean (SD)* Median (IQR) | 201, 319.5 (249.5) 264.6 (147.0–395.5) | 207, 371.8 (251.3) 309.4 (196.7–490.7) | 408, 346.0 (251.5) 288.4 (172.9–455.0) |
| n (%) achieving 150 min (in ≥10 min bouts)* | 8/201 (4%) | 9/207 (4%) | 17/408 (4%) |
| n (%) achieving 150 min (no bouts)* | 149/201 (74%) | 178/207 (86%) | 327/408 (80%) |
| Self-reported weekly MVPA minutes—n, mean (SD) Median (IQR) | 220 213.5 (352.7) 65.0 (0–285.0) | 220 204.0 (375.6) 47.5 (0–247.5) | 440 208.8 (364.0) 40 (0–210) |
| N (%) achieving 150 weekly minutes of self-reported MVPA | 83/220 (37%) | 77/220 (35%) | 160/440 (36%) |
| EQ-5D-5L (Devlin)—n, mean (SD) | 216, 0.74 (0.24) | 215 0.76 (0.23) | 431, 0.75 (0.24) |
| HADS-D—n, mean (SD) | 217, 7.6 (4.5) | 214, 7.4 (4.7) | 431, 7.5 (4.6) |
| HADS-A—n, mean (SD) | 217, 8.7 (4.6) | 214, 8.6 (5.1) | 431, 8.6 (4.9) |
On a 10 point Likert scale, scores of 1-5 indicated a low literacy level and scores of 6-10 a high literacy level.
*Accelerometer recorded.
BMI, body mass index; GCE, general certificate of education; GP PAQ, general practitioner physical activity questionnaire; MVPA, moderate-to-vigorous physical activity.