Table 1.
Characteristics of the worksites and employees at baseline (Nj = 23, Ni = 556)
| Worksite-level variables (Nj = 23) | N (%) | Min–Max | Mean (SD) | Missing (%) | |||
| Worksite size | 0 (0.0) | ||||||
| 10–49 | 12 (52.2) | – | – | ||||
| 50–99 | 6 (26.1) | – | – | ||||
| 100–299 | 3 (13.0) | – | – | ||||
| ≥300 | 2 (8.7) | – | – | ||||
| Worksite location | – | – | 0 (0.0) | ||||
| Urban | 14 (60.9) | – | – | ||||
| Local/suburban | 9 (39.1) | – | – | ||||
| Workplace environment | 0 (0.0) | ||||||
| Parking/Bike | – | 0.00–3.00 | 1.28 (1.0) | ||||
| Signs/Bulletin boards/Advertisements | – | 0.00–4.00 | 1.15 (1.2) | ||||
| Stairs/Elevator | – | 0.00–2.00 | 0.74 (0.6) | ||||
| Physical activity/Fitness facilities | – | 0.00–7.00 | 0.74 (1.7) | ||||
| Work rules | 3.00–6.00 | 5.04 (0.8) | |||||
| Written policies | – | 0.00–6.00 | 0.26 (1.3) | ||||
| Health promotion programs | – | 0.00–6.00 | 1.43 (1.9) | ||||
| Employee-level variables | Total (Ni = 556) | Follow-up completer (Ni = 454) | Drop-out (Ni = 102) | p for difference | |||
| N (%) Mean (SD) [Min–Max] |
Missing (%) | N (%) Mean (SD) [Min–Max] |
Missing (%) | N (%) Mean (SD) [Min–Max] |
Missing (%) | ||
| Demographic variables | |||||||
| Gender | 4 (0.7) | 2 (0.4) | 2 (2.0) | 0.091 | |||
| Male | 263 (47.6) | 223 (49.3) | 40 (40.0) | ||||
| Female | 289 (52.4) | 229 (50.7) | 60 (60.0) | ||||
| Age | M=43.56 (11.1) [19–84] | 12 (2.2) | M=44.27 (11.1) [19–84] | 6 (1.3) | M=40.21 (10.2) [21–65] | 6 (5.9) | 0.001 |
| Employment Status | 3 (0.5) | 0 (0.0) | 3 (2.9) | 0.980 | |||
| Regular | 386 (69.8) | 317 (69.8) | 69 (69.7) | ||||
| Non-regular (Part-time, contract, dispatched) | 167 (30.2) | 137 (30.2) | 30 (30.3) | ||||
| Occupational status | 6 (1.1) | 3 (0.7) | 3 (2.9) | 0.926 | |||
| Clerical | 288 (52.4) | 236 (52.3) | 52 (52.5) | ||||
| Managerial | 112 (20.4) | 94 (20.8) | 18 (18.2) | ||||
| Technical and professional | 73 (13.1) | 59 (13.1) | 14 (14.1) | ||||
| Others | 77 (14.0) | 62 (13.7) | 15 (15.2) | ||||
| Working hours per week | 8 (1.4) | 3 (0.7) | 5 (4.9) | 0.850 | |||
| ≤40 hours | 208 (38.0) | 172 (38.1) | 36 (37.1) | ||||
| ≥41 hours | 340 (62.0) | 279 (61.9) | 61 (62.9) | ||||
| Job stressors | |||||||
| Job strain (job demands by job control) | M=0.48 (0.1) [0.20–1.00] | 19 (3.4) | M=0.48 (0.1) [0.20–1.00] | 15 (3.3) | M=0.48 (0.1) [0.20–1.00] | 4 (3.9) | 0.849 |
| Psychological determinants | |||||||
| Self-regulation for physical activity | M=24.66 (10.1) [12–57] | 9 (1.6) | M=24.56 (10.1) [12–57] | 4 (0.9) | M=25.09 (9.9) [12–50, 53, 54] | 5 (4.9) | 0.640 |
| Self-efficacy for physical activity | M=11.45 (3.6) [4–20] | 4 (0.7) | M=11.46 (3.6) [4-20] | 3 (0.7) | M=11.44 (3.8) [4–20] | 1 (1.0) | 0.954 |
| Physical activity (METs-hours/week) | |||||||
| Occupational | M=3.21 (18.7) [0–304] | 5 (0.9) | M=3.42 (19.8) [0–304] | 4 (0.9) | M=2.31 (12.7) [0–124] | 1 (1.0) | 0.590 |
| Transport-related | M=10.98 (16.5) [0–144] | 6 (1.1) | M=10.72 (16.1) [0–144] | 5 (1.1) | M=12.12 (18.4) [0–140] | 1 (1.0) | 0.442 |
| Leisure-time | M=7.89 (14.6) [0–124] | 5 (0.9) | M=8.17 (14.3) [0–124] | 4 (0.9) | M=6.64 (15.8) [0–124] | 1 (1.0) | 0.344 |
Nj the number of worksites, Ni the number of employees.