Table 3.
ANCOVA for grit (mean ± SD (n)) and physical activity/sedentary behavior.
| Physical activity | 0 min (1) |
0 to < 150 min (2) |
150 to < 300 min (3) |
300+ min (4) |
p-Value |
F-statistic |
Post hoc |
|---|---|---|---|---|---|---|---|
| 3.37 ± 0.62 (n = 155) | 3.35 ± 0.75 (n = 100) | 3.37 ± 0.59 (n = 116) | 3.56 ± 0.58 (n = 517) | <0.001 | 9.725 | 4 > 3, 2, 1 | |
| Sedentary behavior | 0 to < 4 h (1) | 4 to < 6 h (2) | 6 to < 8 h (3) | >8 h (4) | |||
| 3.58 ± 0.59 (n = 152) | 3.54 ± 0.57 (n = 203) | 3.50 ± 0.63 (n = 156) | 3.39 ± 0.64 (n = 378) | <0.001 | 6.784 | 4 < 1, 2 | |
| Post hoc MANCOVA: physical activity by sedentary behavior | ||||||
|---|---|---|---|---|---|---|
| Physical activity | PA 0 min | PA 0 to < 150 min | PA 150 to < 300 min | PA 300+ min | p-Value | F-statistic |
| Sit 0 to < 4 h | 3.28 ± 0.68 (n = 15) | 3.44 ± 0.71 (n = 12) | 3.54 ± 0.69 (n = 17) | 3.63 ± 0.55 (n = 117) | 0.591 | 0.827 |
| Sit 4 to < 6 h | 3.43 ± 0.52 (n = 29) | 3.40 ± 0.77 (n = 24) | 3.40 ± 0.42 (n = 32) | 3.61 ± 0.56 (n = 120) | ||
| Sit 6 to < 8 h | 3.14 ± 0.62 (n = 18) | 3.48 ± 0.82 (n = 21) | 3.35 ± 0.53 (n = 28) | 3.61 ± 0.59 (n = 98) | ||
| Sit > 8 h | 3.40 ± 0.64 (n = 98) | 3.27 ± 0.73 (n = 49) | 3.30 ± 0.66 (n = 46) | 3.46 ± 0.61 (n = 164) | ||
ANCOVA = analysis of covariance; MANCOVA = multivariate analysis of covariance; PA = physical activity.
All analyses controlled for sex, education, employment/student status, and chronic diseases. Units of physical activity are minutes (mins) per week. Units of sitting are hours (h) per day.