Table 3.
Descriptive statistics (central tendency and range) of health behaviours and quality-of-life scores by depression status.
| Depressed | Non-depressed | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Median (IQR) | Range | n | Mean (SD) | Median (IQR) | Range | n | P value* | |
| Sleep disturbance | 10.5 (4.9) | 10 (7–14) | 0–20 | 1411 | 6.8 (4.4) | 6 (3–10) | 0–20 | 7294 | <0.0001 |
| Physical activity | 7.7 (10.6) | 3.8 (0–10.5) | 0–105 | 1406 | 9.5 (12.1) | 5.3 (0.8–13.5) | 0–121.3 | 7193 | <0.0001 |
| Physical HRQoL | 39.4 (12.0) | 39.6 (29.7–48.9) | 12.8–68.4 | 1325 | 42.4 (11.1) | 44.7 (34.7–51.3) | 7.6–65.6 | 7073 | <0.0001 |
|
Global QoL |
6.6 (2.1) |
7 (5–8) |
0–10 |
1434 |
8.1 (1.5) |
8 (7–9) |
0–10 |
7427 |
<0.0001 |
HRQoL, health-related quality of life; IQR, interquartile range; QoL, quality of life.
P values are for comparisons of the means across depressive symptom groups based on independent samples t-test. Wilcoxon rank-sum tests performed on medians resulted in same P values.