Table 1.
Participant characteristics at baseline in the Opt to Stand Study, Sydney, Australia.
| Characteristic | All |
Control |
Intervention |
|
|---|---|---|---|---|
| Mean (SD) or count (%) | Mean (SD) or count (%) | Mean (SD) or count (%) | ||
| N | 31 (100%) | 15 (48%) | 16 (52%) | |
| Sex | Female | 14 (45%) | 7 (47%) | 7 (44%) |
| Male | 17 (55%) | 8 (53%) | 9 (56%) | |
| Age | 33.0 (10.8) | 35.1 (11.5) | 31.0 (10.0) | |
| BMI (kg m− 2) a | 26.8 (5.5) | 26.0 (4.9) | 27.7 (6.3) | |
| BMI category a | Normal range (18.5–24.9) | 7 (41%) | 4 (44%) | 3 (38%) |
| Overweight (25.0 – 29.9) | 7 (41%) | 3 (33%) | 4 (50%) | |
| Obese (≥ 30.0) | 3 (18%) | 2 (22%) | 1 (13%) | |
| Work status | Full time | 25 (81%) | 13 (87%) | 12 (75%) |
| Part time | 6 (19%) | 2 (13%) | 4 (25%) | |
| Education | Some high school | 5 (16%) | 2 (13%) | 3 (19%) |
| Completed high school | 7 (23%) | 4 (27%) | 3 (19%) | |
| Trade/technical certificate or diploma | 6 (19%) | 4 (27%) | 2 (13%) | |
| University | 13 (42%) | 5 (33%) | 8 (50%) | |
| Used sit-stand desk beforea | No | 11 (69%) | 5 (56%) | 6 (86%) |
| Yes | 5 (31%) | 4 (44%) | 1 (14%) | |
| Physical activitya, b | Insufficient | 5 (31%) | 4 (44%) | 1 (14%) |
| Sufficient | 11 (69%) | 5 (56%) | 6 (86%) |
a
Data missing for BMI (n = 14), previous use of sit-stand desk (n = 15), physical activity (n = 15).
b
Sufficient physical activity was defined as engaging in at least 150 min per week of moderate-to-vigorous physical activity on at least 5 days of the week.