Table 1 Baseline characteristics by group, presented as mean ± SD or % (n) of group
From: Evaluation of sit-stand workstations in an office setting: a randomised controlled trial
|  | Intervention (n = 26) | Control (n = 21) | All (n = 47) |
|---|---|---|---|
Age (years) | 38.8 ± 9.8 | 38.4 ± 9.3 | 38.6 ± 9.5 |
Female | 89 (23) | 67 (14) | 79 (37) |
White British | 92 (24) | 100 (21) | 96 (45) |
Married | 58 (15) | 48 (10) | 53 (25) |
Time at current workplace | |||
 <1 year | 0 (0) | 0 (0) | 0 (0) |
 1–3 years | 8 (2) | 19 (4) | 13 (6) |
 >3 years | 92 (24) | 81 (17) | 87 (41) |
Tertiary education | 100 (26) | 91 (19) | 96 (45) |
Job category | |||
 Manager/Director | 31 (8) | 14 (3) | 23 (11) |
 Clerical/Services/Other | 69 (18) | 86 (18) | 77 (36) |
Number of other people in the office | |||
 0 | 19 (5) | 19 (4) | 19 (9) |
 1–3 | 12 (3) | 0 (0) | 6 (3) |
 >3 | 69 (18) | 81 (17) | 75 (35) |
Never smoked | 77 (20) | 76 (16) | 77 (36) |
Body mass (kg) | 67.4 ± 13.8 | 70.5 ± 16.4 | 68.8 ± 14.9 |
Body mass index (kg/m2) | 24.9 ± 4.4 | 24.7 ± 4.6 | 24.8 ± 4.4 |