Table 4.
Effects on body mass index, physical activity, and time spent sitting in both conditions.
| Variable/condition | n | Baseline | Postintervention | Change (95% CIa) |
F1 (time × condition) |
P value | F1 (time) | P value | ||
| Body mass index (kg/m2), mean (SD) | 0.7 | .40 | 3.5 | .07 | ||||||
| Tailored condition | 27 | 26.3 (4.7) | 26.0 (4.5) | –0.3 (–0.6 to 0.0) | ||||||
| Standard condition | 33 | 26.2 (4.6) | 26.0 (4.6) | –0.2 (–0.5 to 0.3) | ||||||
| Self-reported physical activity (minutes/day), mean (SD) | ||||||||||
| Walking | 0.1 | .82 | 0.1 | .71 | ||||||
| Tailored condition | 21 | 17.8 (21.8) | 26.4 (34.6) | 8.6 (–6.6 to 23.9) | ||||||
| Standard condition | 22 | 46.2 (59.7) | 38.9 (44.8) | –7.3 (–40.8 to 26.1) | ||||||
| Total physical activity | 2.0 | .16 | 0.5 | .47 | ||||||
| Tailored condition | 32 | 131.0 (121.1) | 142.0 (108.9) | 11.0 (–25.5 to 47.5) | ||||||
| Standard condition | 36 | 165.9 (125.7) | 138.2 (98.5) | –27.8 (–72.5 to 16.9) | ||||||
| Pedometer-based physical activity (steps/day), mean (SD) | 1.1 | .31 | 5.0 | .04b | ||||||
| Tailored condition | 10 | 9162 (2542) | 10,668 (3826) | 1505 (–1850 to 4861) | ||||||
| Standard condition | 10 | 9549 (4903) | 13,690 (4743) | 4141 (462 to 8744) | ||||||
| Sitting time (hours/day) | 0.0 | .85 | 2.4 | .12 | ||||||
| Tailored condition | 28 | 7.1 (3.0) | 6.6 (3.1) | –0.5 (–1.5 to 0.4) | ||||||
| Standard condition | 35 | 7.1 (3.6) | 6.4 (3.2) | –0.7 (–1.9 to 0.5) | ||||||
a Confidence interval.
b P < .05