Table 2.
Measures of physical activity, sedentary time and outcomes variables at baseline. Data were collected between 2011 and 2013 in Columbia, SC.
| Measure | Total sample | Subgroup (sedentary hours/day) |
Group differences (p) | |||
|---|---|---|---|---|---|---|
| <10.5 | 10.5–12 | >12 | ||||
| n | 271 | 70 | 110 | 91 | ||
| Total sedentary time | 11.4 (1.61) | 9.42 (0.88) | 11.22 (0.44) | 13.15 (0.91) | <0.0001⁎ | |
| Sedentary time accumulated in bouts ≥30 min | 4.84 (1.95) | 3.06 (0.99) | 4.44 (0.94) | 6.63 (1.68) | <0.0001⁎ | |
| Sedentary time accumulated in bouts <30 min | 6.58 (1.01) | 6.34 (1.08) | 6.78 (0.82) | 6.52 (1.12) | 0.018 | |
| Steps/day | 7401.4 (2548.5) | 8931.8 (2798.2) | 7420.5 (2101.5) | 6200.7 (2213.5) | <0.0001⁎ | |
| Profile of mood states | TMD | 108.9 (22.6) | 106.7 (17.6) | 106.6 (21.4) | 113.6 (26.5) | 0.042⁎ |
| Ten. | 5.4 (4.9) | 4.9 (4.2) | 4.9 (4.5) | 6.3 (5.8) | 0.10 | |
| Dep. | 3.5 (5.8) | 2.7 (3.8) | 3.1 (5.2) | 4.7 (7.4) | 0.027⁎ | |
| Ang. | 2.7 (3.9) | 2.6 (4.1) | 2.5 (3.7) | 3.0 (4.0) | 0.61 | |
| Vig. | 13.7 (6.5) | 14.1 (6.4) | 14.7 (6.5) | 12.0 (6.2) | 0.011⁎ | |
| Fat. | 6.3 (5.2) | 6.1 (5.2) | 6.1 (4.9) | 6.7 (5.4) | 0.72 | |
| Con. | 4.7 (3.5) | 4.6 (3.0) | 4.7 (3.3) | 5.0 (4.1) | 0.78 | |
| Perceived stress scale | 12.5 (5.8) | 12.3 (5.5) | 11.9 (5.4) | 13.6 (6.5) | 0.10 | |
| Sleep duration | 6.59 (0.87) | 6.90 (0.81) | 6.75 (0.84) | 6.16 (0.81) | <0.0001⁎ | |
All time metrics are in hours/day. Values are ‘Mean (sd)’. TMD = Total Mood Disturbance; Ten = tension; Dep = depression; Ang = anger; Vig = vigor; Fat = fatigue; Con = confusion.
⁎
Indicates a significant linear trend, p < 0.05.