Table 2. Analysis of differences in BMI, sleep quality, and sleep-wake cycle among nurses with different attributes (N=147).
| Basic attributes | >Group | >I<O | >PSQI score | >BMI | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Mean | >SD | >F/t | >p | >Scheffe’spost hoc | >Mean | >SD | >F/t | >p | >Mean | >SD | >F/t | >p | ||
| Age | 21–30 yr | 99.16 | 0.94 | 2.238 | 0.035 | 6.98 | 3.15 | −0.597 | 0.551 | 23.47 | 5.03 | −1.047 | 0.297 | |
| 31–40 yr | 98.41 | 1.52 | 7.41 | 2.61 | 24.68 | 4.88 | ||||||||
| Marital status | Single | 98.86 | 1.28 | −0.553 | 0.581 | 7.1 | 3.11 | −0.797 | 0.427 | 23.75 | 5.12 | −0.868 | 0.387 | |
| Married | 99.06 | 1.06 | 6.3 | 2.45 | 22.32 | 3.17 | ||||||||
| Educational background | Junior college | 98.83 | 1.3 | −2.141 | 0.045 | 7.47 | 3.28 | 1.466 | 0.145 | 24.32 | 5.45 | 1.419 | 0.158 | |
| University or above | 99.21 | 0.83 | 6.72 | 2.88 | 23.14 | 4.62 | ||||||||
| Years of service | <2 yr | 99.31 | 0.87 | 2.587 | 0.079 | 6.55 | 3.09 | 2.131 | 0.122 | 22.7 | 3.7 | 1.411 | 0.247 | |
| 3–5 yr | 98.97 | 1.08 | 7.77 | 3.38 | 24.12 | 6.14 | ||||||||
| >5 yr | 98.84 | 1.22 | 6.85 | 2.62 | 24.19 | 4.93 | ||||||||
| Shift type | Day | 99.13 | 0.99 | 6.781 | 0.002 | Day, Evening | 7.05 | 2.96 | 0.984 | 0.376 | 23.31 | 4.96 | 0.691 | 0.503 |
| Evening | 99.32 | 0.87 | >Night | 6.66 | 3.01 | 24.33 | 4.83 | |||||||
| Night | 98.5 | 1.31 | 7.62 | 3.36 | 23.28 | 5.42 | ||||||||
I<O: dichotomy index; PSQI: Pittsburgh Sleep Quality Index; BMI: body mass index.