Table 2.
Dietary diversity and psychological stress level n (%).
| Variables | Lower Psychological Stress Group | Higher Psychological Stress Group | Z | p |
|---|---|---|---|---|
| Dietary diversity (Number of DQQ food groups) |
7.1100 | <0.0001 | ||
| 2 | 51 (1.21) | 68 (2.11) | ||
| 3 | 268 (6.37) | 290 (8.98) | ||
| 4 | 580 (13.80) | 534 (16.53) | ||
| 5 | 822 (19.55) | 650 (20.12) | ||
| 6 | 924 (21.98) | 658 (20.37) | ||
| 7 | 722 (17.17) | 516 (15.98) | ||
| 8 | 430 (10.23) | 286 (8.85) | ||
| 9 | 242 (5.76) | 130 (4.02) | ||
| ≥10 | 165 (3.92) | 98 (3.03) | ||
| 10 | 86 (2.05) | 63 (1.95) | ||
| 11 | 51 (1.21) | 23 (0.71) | ||
| 12 | 20 (0.48) | 10 (0.31) | ||
| 13 | 7 (0.17) | 2 (0.06) | ||
| 14 | 1 (0.02) | 0 (0.00) |