Table 4.
Multivariable Logistic Regression for Insomnia
| Odds Ratio | 95% CI | P value | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Age | 0.98 | 0.96 | 1.00 | 0.053 |
| Sex | ||||
| Male* | 1.00 | |||
| Female | 1.74 | 1.43 | 2.11 | <0.001 |
| Marital state | ||||
| Single* | 1.00 | |||
| Married | 0.68 | 0.52 | 0.88 | 0.004 |
| Divorce | 1.06 | 0.49 | 2.29 | 0.884 |
| Widow | 0.39 | 0.03 | 5.73 | 0.491 |
| State- Region | ||||
| Western regions | 1.06 | 0.85 | 1.32 | 0.593 |
| Eastern regions | 1.57 | 1.26 | 1.95 | <0.001 |
| Northern regions | 1.17 | 0.85 | 1.62 | 0.333 |
| Southern regions | 1.01 | 0.75 | 1.36 | 0.949 |
| Central regions* | 1.00 | |||
| College specialty | ||||
| Scientific colleges | 1.26 | 1.04 | 1.53 | 0.016 |
| Health colleges | 1.03 | 0.84 | 1.25 | 0.802 |
| Humanities colleges* | 1.00 | |||
| Academic level | ||||
| 1 | 1.26 | 0.80 | 2.01 | 0.322 |
| 2 | 1.30 | 0.86 | 1.97 | 0.212 |
| 3 | 1.09 | 0.68 | 1.74 | 0.721 |
| 4 | 1.03 | 0.69 | 1.56 | 0.876 |
| 5 | 1.14 | 0.69 | 1.91 | 0.606 |
| 6 | 1.44 | 0.95 | 2.17 | 0.087 |
| 7 | 1.28 | 0.79 | 2.08 | 0.324 |
| 8 | 0.94 | 0.62 | 1.41 | 0.760 |
| 9 | 1.09 | 0.53 | 2.23 | 0.814 |
| 10 | 1.16 | 0.67 | 2.03 | 0.591 |
| 11 | 0.66 | 0.26 | 1.68 | 0.381 |
| 12* | 1.00 | |||
| GPA | ||||
| Excellent: above 4.5* | 1.00 | |||
| Very good: from 3.75 to 4.50 | 0.76 | 0.54 | 1.09 | 0.139 |
| Good: 2.75 to 3.75 | 1.03 | 0.72 | 1.47 | 0.865 |
| Acceptable: From 2 to 2.75 | 0.99 | 0.68 | 1.43 | 0.953 |
| Relative or acquaintances got COVID-19 | ||||
| Yes | 1.61 | 1.03 | 2.51 | 0.036 |
| No* | 1.00 | |||
| Has chronic medical illness | ||||
| Yes | 1.97 | 1.50 | 2.57 | <0.001 |
| No* | 1.00 | |||
| Had been Diagnosed with mental illness | ||||
| Yes | 3.21 | 2.24 | 4.61 | <0.001 |
| No* | 1.00 | |||
Note: *Used as a reference.
Abbreviation: CI, confidence interval.