Table 2.
Chi-square test results for comparative levels of anxiety and sleep quality in demographic categories of junior high school students.
| Category | Items | Anxiety n (%) | Sleep quality n (%) | ||
|---|---|---|---|---|---|
| Without anxiety | With anxiety | Good | Bad | ||
| Gender | Male | 3,638 (28.12) | 2,592 (20.05) | 2,852 (49.77) | 3,378 (46.93) |
| Female | 3,740 (28.93) | 2,957 (22.87) | 2,878 (50.23) | 3,820 (53.07) | |
| χ2: 2.218 | p: 0.136 | χ2: 10.331 | p: 0.001** | ||
| Grade | First | 2,426 (32.89) | 1,689 (30.41) | 2,014 (35.15) | 2,350 (32.65) |
| Second | 2,431 (32.95) | 1,884 (33.96) | 1,807 (31.54) | 2,461 (34.19) | |
| Third | 2,521 (34.16) | 2,016 (35.63) | 1,909 (33.32) | 2,387 (33.16) | |
| χ2: 8.230 | p: 0.016* | χ2: 12.740 | p: 0.002** | ||
| Only child? | Yes | 4,932 (66.84) | 1,863 (33.56) | 1,879 (32.79) | 2,454 (34.09) |
| No | 2,446 (33.16) | 3,686 (66.44) | 3,851 (67.21) | 4,744 (65.91) | |
| χ2: 0.087 | p: 0.768 | χ2: 2.421 | p: 0.120 | ||
| Urban or rural? | Urban | 2,517 (34.11) | 2,210 (39.82) | 2,225 (38.83) | 2,844 (39.51) |
| Rural | 4,861 (65.89) | 3,339 (60.18) | 3,505 (61.17) | 4,354 (60.49) | |
| χ2: 16.864 | p: 0.000** | χ2: 0.619 | p: 0.431 | ||
| Living mode | With parent(s) | 5,198 (70.46) | 3,869 (69.72) | 3,956 (69.04) | 5,067 (70.39) |
| With relative(s) | 1,734 (23.51) | 1,366 (24.61) | 1,445 (25.22) | 1,722 (23.92) | |
| Trusteeship | 446 (6.02) | 314 (5.67) | 329 (5.74) | 409 (5.68) | |
| χ2: 0.968 | p: 0.616 | χ2: 3.042 | p: 0.219 | ||
| Family structure | Two-parent | 6,773 (91.80) | 5,045 (90.93) | 5,235 (91.36) | 6,533 (90.76) |
| One-parent | 407 (5.52) | 332 (6.00) | 330 (5.76) | 439 (6.10) | |
| Recombination | 198 (2.69) | 172 (3.07) | 165 (2.88) | 226 (3.14) | |
| χ2: 1.177 | p: 0.555 | χ2: 1.459 | p: 0.482 | ||
*p < 0.05.
**p < 0.01.