Table 1.
Mean (SD) baseline characteristics of participants according to group
| Intervention Group | Control Group | |
|---|---|---|
| Characteristics of clusters | N = 19 | N = 18 |
| Number of participants; mean (range) | 24 (4 to 147) | 22 (4 to 81) |
| Randomisation stratum, clusters (n, % participants) | ||
| Small (< 20 employees) | 11 (114, 25%) | 11 (105, 27%) |
| Medium (20–50 employees) | 5 (167, 37%) | 4 (123, 31%) |
| Large (> 50 employees) | 1 (147, 32%) | 2 (144, 36%) |
| Schools | 2 (29, 6%) | 1 (24, 6%) |
| Characteristics of participants | n = 457 | n = 396 |
| Age (years) | 44·0 (9·3) | 43·0 (10·0) |
| Female gender; n (%) | 329 (72%) | 278 (70%) |
| BMI (kg/m2) | 27·2 (5·6) | 26·6 (5·3) |
| Income >£20 k; n (%) | 341 (75%) | 291 (73%) |
| Education some higher level; n (%) | 295 (65%) | 270 (68%) |
| Marital status married/co-habiting; n (%) | 313 (68%) | 274 (69%) |
| Objective PA: pedometer steps (steps/day) | 7977 (3602) | 7650 (3204) |
| Objective: physical activity category, n (%) | ||
| High (> 7500 steps/day) | 204 (45%) | 167 (42%) |
| Moderate (> 2500- ≤ 7500 steps/day) | 199 (44%) | 184 (46%) |
| Low (≤2500 steps/day) | 11 (2%) | 8 (2%) |
| GPAQ: minutes of work PA (minutes/week) | 42 (138) | 58 (151) |
| GPAQ: minutes of MVPA (minutes/week) | 296 (342) | 344 (333) |
| GPAQ: physical activity categorya, n (%) | ||
| High | 70 (15%) | 76 (19%) |
| Moderate | 140 (31%) | 130 (33%) |
| Low | 141 (31%) | 104 (26%) |
| SF-8: Mental Component Score | 48·0 (8·9) | 47·7 (9·3) |
| SF-8: Physical Component Score | 52·5 (6·6) | 52·7 (7·0) |
| EQ-5D: Health State | 82·4 (13·8) | 83·8 (14·3) |
| EQ-5D: Weighted Health Index | 0·89 (0·11) | 0·89 (0·12) |
| WEMWBS: Mental wellbeing scale | 50·2 (8·2) | 50·3 (8·9) |
| Physical Activity Self-Efficacy scale | 2·91 (0·97) | 2·92 (0·94) |
| HPQ: Four week absolute absenteeism | 5·04 (41·3) | 3·48 (50·0) |
| HPQ: Absolute presenteeism | 80·3 (13·6) | 81·0 (13·4) |
| HPQ: Combined relative absenteeism and absolute presenteeism | 8·84 (12·57) | 8·56 (7·32) |
aPhysical activity category was derived based on the standardised scoring protocol for the GPAQ (http://www.who.int/ncds/surveillance/steps/GPAQ%20Instrument%20and%20Analysis%20Guide%20v2.pdf)
EQ-5D EuroQol five dimensions, GPAQ Global Physical Activity Questionnaire, HPQ Health and Work Performance Questionnaire, MVPA Moderate- to vigorous-intensity physical activity, NHS National Health Service, PA Physical activity, SD Standard deviation, SF Short Form, WEMWBS Warwick-Edinburgh Mental Wellbeing Scale
Please see Additional file 4 : Table S1 for further details regarding the outcome measures