TABLE 2.
Multivariable logistic regression analysis of the poor sleeper sample.
| Variable | OR | P | 95% CI |
| Demographic data | |||
| Gender (female) | 1.66 | <0.001 | 1.45–1.90 |
| Age | |||
| 18–25 | 1.04 | 0.764 | 0.67–1.70 |
| 26–30 | 1.20 | 0.920 | 0.79–1.91 |
| 31–40 | 1.17 | 0.458 | 0.79–1.77 |
| 41–50 | 0.98 | 0.920 | 0.66–1.49 |
| 51–60 | 1.06 | 0.764 | 0.72–1.55 |
| >60 | Reference | ||
| Italian territory | |||
| North | Reference | ||
| Center | 1.39 | 0.006 | 1.10–1.76 |
| South | 1.13 | 0.104 | 0.95–1.31 |
| Education level | |||
| Elementary/middle school | Reference | ||
| High school | 0.86 | 0.394 | 0.61–1.21 |
| Bachelor’s degree | 0.95 | 0.826 | 0.67–1.38 |
| Master’s degree | 0.95 | 0.765 | 0.66–1.36 |
| Doctoral degree | 0.89 | 0.594 | 0.59–1.35 |
| Marital status | |||
| Single | Reference | ||
| Married or re-married | 0.93 | 0.603 | 0.72–1.21 |
| Cohabit | 0.84 | 0.183 | 0.65–1.09 |
| In a relationship | 0.89 | 0.155 | 0.77–1.04 |
| Divorced/separated/widowed | 1.00 | 0.991 | 0.70–1.43 |
| Children (no) | 1.31 | 0.037 | 1.01–1.69 |
| People living with you | |||
| 0 | Reference | ||
| 1 | 0.80 | 0.119 | 0.61–1.06 |
| 2 | 0.91 | 0.527 | 0.69–1.21 |
| 3 | 0.88 | 0.372 | 0.66–1.17 |
| 4 | 1.10 | 0.553 | 0.80–1.51 |
| 5+ | 0.81 | 0.293 | 0.54–1.20 |
| Home size (sq. m.) | |||
| ≤80 | Reference | ||
| 81–100 | 1.00 | 0.995 | 0.84–1.19 |
| 101–150 | 0.88 | 0.170 | 0.74–1.05 |
| >150 | 0.89 | 0.223 | 0.73–1.07 |
| Having a garden or balcony (yes) | 0.89 | 0.266 | 0.72–1.09 |
| Working with the public (yes) | 1.12 | 0.085 | 0.98–1.28 |
| Still working (yes) | 0.99 | 0.883 | 0.86–1.13 |
| Occupation | |||
| Retired | Reference | ||
| Student | 1.04 | 0.897 | 0.59–1.81 |
| Working student | 1.00 | 0.973 | 0.57–1.78 |
| Healthcare employee (public/private) | 1.37 | 0.287 | 0.77–2.43 |
| Police/military | 0.93 | 0.856 | 0.40–2.12 |
| Artisan, laborer, farmer | 0.65 | 0.226 | 0.32–1.31 |
| Employee/manager/owner of business activity | 0.88 | 0.637 | 0.50–1.52 |
| Employee/manager/owner of industrial activity | 0.81 | 0.479 | 0.46–1.44 |
| Intellectual profession | 0.83 | 0.506 | 0.47–1.45 |
| Unemployed/searching | 1.29 | 0.398 | 0.72–2.32 |
| Office executive job | 0.83 | 0.687 | 0.32–2.10 |
| Technical profession | 0.77 | 0.367 | 0.43–1.37 |
| Non-qualified profession | 0.89 | 0.687 | 0.52–1.54 |
| Other | 0.73 | 0.372 | 0.37–1.45 |
| COVID-19 positive | |||
| No | Reference | ||
| Yes | 1.96 | 0.066 | 0.95–4.03 |
| Had symptoms but no swab test | 1.36 | 0.196 | 0.85–2.20 |
| Forced quarantine | |||
| No | Reference | ||
| Yes | 0.88 | 0.270 | 0.70–1.10 |
| Someone close positive (yes) | 0.97 | 0.749 | 0.81–1.16 |
| Someone close died (yes) | 1.41 | 0.008 | 1.09–1.81 |
| Changes in physical relationships | |||
| Decreased | Reference | ||
| Stable | 1.10 | 0.478 | 0.85–1.42 |
| Improved | 1.18 | 0.178 | 0.93–1.52 |
| Changes in online relationships | |||
| Decreased | Reference | ||
| Stable | 0.97 | 0.838 | 0.73–1.29 |
| Improved | 1.02 | 0.900 | 0.78–1.33 |
| Changes in the habitual bedtime | |||
| Earlier | 1.59 | 0.001 | 1.22–2.07 |
| Stable | Reference | ||
| Postponed | 2.10 | <0.001 | 1.81–2.41 |
| Changes in the habitual awakening time | |||
| Earlier | 1.47 | 0.004 | 1.14–1.90 |
| Stable | Reference | ||
| Postponed | 1.01 | 0.735 | 0.88–1.17 |
| Changes in the habitual napping | |||
| Reduced | 1.32 | 0.001 | 1.13–1.56 |
| Stable | Reference | ||
| Increased | 1.11 | 0.114 | 0.94–1.28 |
| Stress | |||
| Extremely severe | 4.83 | <0.001 | 2.95–7.92 |
| Severe | 3.37 | <0.001 | 2.59–4.39 |
| Moderate | 2.60 | <0.001 | 2.16–3.16 |
| Mild | 2.10 | <0.001 | 1.76–2.52 |
| Normal | Reference | ||
| Anxiety | |||
| Extremely severe | 3.74 | <0.001 | 2.54–5.51 |
| Severe | 3.11 | <0.001 | 2.23–4.35 |
| Moderate | 2.39 | <0.001 | 1.98–2.89 |
| Mild | 1.61 | <0.001 | 1.29–2.02 |
| Normal | Reference | ||
| Depression | |||
| Extremely severe | 2.39 | <0.001 | 1.69–3.53 |
| Severe | 1.77 | <0.001 | 1.32–2.30 |
| Moderate | 1.67 | <0.001 | 1.38–1.98 |
| Mild | 1.53 | <0.001 | 1.30–1.81 |
| Normal | Reference |