Table 3.
Baseline characteristics of the participants in the tailored condition who requested the computer-tailored step advice at least once and those who did not request the computer-tailored step advice.
| Characteristic | At least one request (n = 30) |
No request (n = 13) |
Group comparison |
P value | |
| Demographic variable | |||||
| Age (years), mean (SD) | 47.2 (11.2) | 43.5 (9.9) | t26 = 1.0 | .31 | |
| Male, n (%) | 11/30 (37%) | 4/13 (31%) | χ21 = 0.1 | .76 | |
| BMIa (kg/m2), mean (SD) | 26.1 (4.7) | 24.4 (2.7) | t20 = 1.0 | .32 | |
| Higher education, n (%) | 19/30 (63%) | 9/13 (69%) | χ21 = 0.1 | .71 | |
| Employed, n (%) | 25/30 (83%) | 10/13 (77%) | χ21 = 0.2 | .62 | |
| Good to very good health, n (%) | 16/30 (53%) | 9/13 (69%) | χ21 = 0.9 | .33 | |
| Intention to change physical activity, n (%) | χ22 = 2.2 | .34 | |||
| Within 1 month | 13/29 (45%) | 9/13 (69%) | |||
| Within 6 months | 9/29 (31%) | 2/13 (15%) | |||
| No intention | 7/29 (24%) | 2/13 (15%) | |||
| Computer/Internet use and Internet access, n (%) | |||||
| Daily computer use | 22/30 (73%) | 13/13 (100%) | χ21 = 4.3 | .04b | |
| Daily Internet use | 18/30 (60%) | 11/13 (85%) | χ21 = 2.5 | .11 | |
| Internet access at home | 30/30 (100%) | 12/13 (92%) | χ21 = 2.4 | .12 | |
| Internet access at work | 19/25 (76%) | 9/10 (90%) | χ21 = 1.0 | .61 | |
| Self-reported physical activity (minutes/day), mean (SD) | |||||
| Walking | 30.1 (43.4) | 41.0 (66.2) | t14 = 0.0 | .99 | |
| Total physical activity | 142.7 (128.0) | 153.9 (124.9) | t40 = 1.1 | .28 | |
| Pedometer-based physical activity (steps/day), mean (SD) | 7690 (2416) | 10,730 (4319) | t15 = 2.4 | .03b | |
| Sitting time (hours/day), mean (SD) | 7.0 (3.2) | 7.3 (2.9) | t26 = 0.3 | .77 | |
a Body mass index.
b .01 < P < .05.