Table 3.
The distribution of Women's Health Initiative Insomnia scale scores according to some characteristics of the participants.
| Age | WHIIRS ± SD | Test and significance |
|---|---|---|
| <20 | 7.0 ± 4.43 | t : −2.734 |
| ≥20 | 8.4 ± 5.06 | P : 0.006 |
|
| ||
| Education level | ||
| Illiterate/literate/primary school | 8.6 ± 4.99 | t : 2.049 |
| High school/university | 7.7 ± 4.92 | P : 0.041 |
|
| ||
| Gestational trimester | ||
| First | 6.4 ± 5.14 | F : 16.112 |
| Second | 6.8 ± 4.41 | P : 0.001 |
| *Third | 9.2 ± 4.95 | |
|
| ||
| &BDI score | ||
| ≥17 | 10.7 ± 5.09 | t : 6.840 |
| <17 | 7.3 ± 4.63 | P : 0.001 |
|
| ||
| Used medicine | ||
| Present | 8.6 ± 4.85 | t : 2.529 |
| Not present | 7.5 ± 5.06 | P : 0.012 |
|
| ||
| Smoking in pregnancy | ||
| Yes | 8.1 ± 5.0 | F : 0.846 |
| No | 7.9 ± 3.73 | P : 0.430 |
| Quitting smoking in pregnancy | 9.8 ± 5.38 | |
|
| ||
| Drinking coffee/coffee cup | ||
| No | 8.2 ± 4.9 | F : 0.404 |
| 1 | 7.7 ± 4.9 | P : 0.668 |
| ≥2 | 8.6 ± 5.7 | |
|
| ||
| Drinking tea/glass | ||
| No | 8.4 ± 5.36 | F : 2.045 |
| 1 | 6.9 ± 5.03 | P : 0.130 |
| ≥2 | 8.3 ± 4.90 | |
|
| ||
| +BMI (Kg/m2) | ||
| <25 | 7.4 ± 4.73 | t : −2.603 |
| ≥25 | 8.6 ± 5.08 | P : 0.01 |
|
| ||
| Total | 8.1 ± 4.97 | |
*The group making difference.
t: Student t test.
F: one-way ANOVA test.
&BDI: Beck Depression Inventory.
+BMI: Body Mass Index.