Table 1. Summary of study characteristics.
| All studies (26 studies, 38 interventions) | Studies of worksite-based interventions only (14 studies, 20 interventions) | ||
|---|---|---|---|
| Sample size | Combined N = 10,355, N range: 12–7804, Median N = 44 | Combined N = 1350, N range: 12–454, Median N = 44 | |
| Time to final follow-up | Range: 5 days–12 months Median: 12 weeks | Range: 5 days– 12 months Median: 11 weeks | |
| Number of studies (% all studies) | Number of studies (% worksite studies) | ||
| Participant descriptions | Employees/office workers | 14 (54%) | 14 (100%) |
| General public, misc | 4 (15%) | 0 | |
| General public, older adults | 5 (19%) | 0 | |
| Parents | 1 (4%) | 0 | |
| Staff and parents | 1 (4%) | 0 | |
| Office workers and students | 1 (4%) | 0 | |
| Study design | RCT | 15 (58%) | 6 (43%) |
| Non-RCT | 2 (8%) | 2 (14%) | |
| Cluster RCT | 2 (8%) | 1 (7%) | |
| Quasi-experiment | 3 (12%) | 2 (14%) | |
| Single-arm (pre-post) | 4 (15%) | 3 (21%) | |
| Number of arms | 1-arm | 4 (15%) | 3 (21%) |
| 2-arm (2 interventions) | 9 (35%) | 4 (29%) | |
| 2-arm (1 intervention, 1 control) | 10 (38%) | 5 (36%) | |
| 3-arm (2 interventions, 1 control) | 3 (12%) | 2 (14%) | |
| Sedentary behaviour measures (self-reported [SR] or objective [O]) | Waking sedentary time only (O) | 2 (8%) | 0 |
| Waking sitting time only (O) | 1 (4%) | 1 (7%) | |
| Waking sitting time only (SR) | 16 (62%) | 6 (43%) | |
| Worksite sitting time only (O) | 2 (8%) | 2 (14%) | |
| Worksite sitting time only (SR) | 3 (12%) | 3 (21%) | |
| Waking and worksite sedentary time (O) | 1 (4%) | 1 (7%) | |
| Waking and worksite sitting time (O) | 1 (4%) | 1 (7%) | |
| Theory mentioned | 11 (42%) | 2 (14%) | |
| Sedentary behaviour an eligibility criterion | 6 (23%) | 5 (36%) | |
| Quality score | Mean = 2.88 (SD = 1.40) Median = 3 |
Mean = 2.57 (SD = 1.65) Median = 2 |
|
| Number of interventions (% all interventions) |
Number of interventions (% worksite interventions) |
||
| Primary behaviour change aim | To increase physical activity | 23 (61%) | 11 (55%) |
| To reduce sedentary behaviour | 8 (21%) | 6 (30%) | |
| Joint: to increase physical activity and reduce sedentary behaviour | 2 (5%) | 1 (5%) | |
| Joint: to increase physical activity and improve diet | 2 (5%) | 0 | |
| To promote weight loss (not behaviour) | 2 (5%) | 2 (10%) | |
| Unclear | 1 (3%) | 0 | |
| Intervention promise | Very promising | 15 (39%) | 7 (35%) |
| Quite promising | 8 (21%) | 5 (25%) | |
| Non promising | 15 (39%) | 8 (40%) |