Table 5.
Logistic regression predicting the likelihood of insomnia severity (ISI score 15–28) based on the study characteristics.
| Variable | B | SE | Wald | df | p-value | Odds ratio | 95% CI for odds ratio | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Age (years) | 0.007 | 0.004 | 3.16 | 1 | 0.07 | 0.99 | 0.98 | 1.001 |
| Gender | ||||||||
| - Male | 1 | |||||||
| - Female | 0.247 | 0.06 | 17.09 | 1 | <0.001** | 1.28 | 1.13 | 1.44 |
| Marital status | ||||||||
| - Single (including widows and divorced) | 1 | |||||||
| - Married | 0.169 | 0.062 | 7.44 | 1 | 0.006* | 1.18 | 1.05 | 1.33 |
| Highest education | ||||||||
| - Elementary | 24.18 | 5 | <0.001** | |||||
| - Preparatory | 0.131 | 0.486 | 0.069 | 1 | 0.79 | 0.87 | 0.33 | 2.32 |
| - Secondary/diploma | 0.586 | 0.237 | 6.13 | 1 | 0.013 | 0.55 | 0.35 | 0.88 |
| - Bachelor/higher degree | 0.008 | 0.185 | 0.002 | 1 | 0.96 | 0.99 | 0.69 | 1.42 |
| - Post graduate (Master, PhD) | 0.053 | 0.181 | 0.085 | 1 | 0.77 | 1.05 | 0.74 | 1.5 |
| - Other | 0.277 | 0.198 | 1.96 | 1 | 0.16 | 1.32 | 0.89 | 1.94 |
| Occupation | ||||||||
| - Full-time employee | 13.894 | 5 | 0.016 | |||||
| - Unemployed | 0.096 | 0.079 | 1.46 | 1 | 0.225 | 0.91 | 0.77 | 1.06 |
| - Part-time employee | 0.059 | 0.09 | 0.423 | 1 | 0.515 | 0.94 | 0.79 | 1.13 |
| - Student | 0.134 | 0.07 | 3.48 | 1 | 0.06 | 1.14 | 0.99 | 1.32 |
| - Retired | 0.48 | 0.231 | 4.32 | 1 | 0.038 | 0.62 | 0.39 | 0.97 |
| - Other | 0.025 | 0.19 | 0.016 | 1 | 0.898 | 1.03 | 0.7 | 1.5 |
| Financial status | ||||||||
| - Stable income | 1 | |||||||
| - Non-stable income | 0.17 | 0.058 | 8.91 | 1 | 0.003* | 0.84 | 0.75 | 0.94 |
| Financial issue during COVID-19 pandemic | 0.54 | 0.048 | 127.48 | 1 | <0.001** | 1.72 | 1.56 | 1.88 |
| COVID-19 infection | 0.38 | 0.06 | 35.22 | 1 | <0.001** | 1.46 | 1.29 | 1.65 |
| Current health status | ||||||||
| - Best health | 117.46 | 4 | <0.001** | |||||
| - Good health | 0.24 | 0.059 | 16.77 | 1 | <0.001** | 1.27 | 1.14 | 1.43 |
| - Average health | 0.702 | 0.073 | 91.92 | 1 | <0.001** | 2.02 | 1.74 | 2.32 |
| - I feels unwell | 0.736 | 0.124 | 35.124 | 1 | <0.001** | 2.08 | 1.64 | 2.66 |
| - I am very ill | 0.308 | 0.148 | 4.33 | 1 | 0.038* | 1.36 | 1.02 | 1.82 |
| Considered suicide during COVID-19 lockdown | 1.018 | 0.078 | 169.75 | 1 | <0.001** | 2.76 | 2.37 | 3.23 |
| Abuse or domestic violence | 0.88 | 0.048 | 331.23 | 1 | <0.001** | 2.42 | 2.19 | 2.65 |
| Lockdown compliance | ||||||||
| - No personal isolation practices | 23.94 | 4 | <0.001** | |||||
| - A little | 0.177 | 0.088 | 4.077 | 1 | 0.04* | 0.84 | 0.71 | 0.99 |
| - Somewhat | 0.343 | 0.078 | 19.11 | 1 | <0.001** | 0.71 | 0.61 | 0.83 |
| - Most of the time | 0.209 | 0.069 | 9.24 | 1 | 0.002* | 0.81 | 0.71 | 0.93 |
| - Fully compliant to instruction | 0.243 | 0.063 | 14.97 | 1 | <0.001** | 0.78 | 0.69 | 0.88 |
*
Significant at p <0.05.
**
Significant at p <0.001.