Table 1.
Demographic characteristics and descriptive analysis
| Participants n (%) |
|
|---|---|
| Overall | 964 |
| Gender (female) | 767 (79.6%) |
| Age (years) | |
| 21–30 | 112 (11.6%) |
| 31–40 | 193 (20.0%) |
| 41–50 | 250 (25.9%) |
| 51–60 | 335 (34.8%) |
| > 61 | 74 (7.7%) |
| Chronic diseases | 277 (28.7%) |
| Marital status | |
| Unmarried | 335 (34.8%) |
| Married | 512 (53.1%) |
| Divorced | 109 (11.3%) |
| Widowed | 8 (0.8%) |
| COVID-19 infection | 94 (9.8%) |
| Flatmates with COVID-19 infection | 129 (13.4%) |
| Isolation | |
| No | 655 (67.9%) |
| Yes, self-isolated at home | 228 (23.7%) |
| Yes, moved to a different accommodation | 81 (8.4%) |
| Hospital | |
| COVID-19 wards (Niguarda and Ss. Paolo e Carlo) | 757 (81.2%) |
| No COVID-19 wards (Besta) | 175 (18.8%) |
| Occupation | |
| Frontline healthcare workers | 770 (79.9%) |
| Non-frontline healthcare workers | 92 (9.6%) |
| Non-healthcare workers | 101 (10.5%) |
| Site of work | |
| Ward (clinical or surgical) | 568 (59.0%) |
| Outpatient’s department | 203 (21.1%) |
| Laboratory | 80 (8.3%) |
| Offices | 111 (11.5%) |
| Shift workers | 439 (45.5%) |
| Workers in a COVID-19 ward | 283 (29.4%) |
| Modified work schedules | 409 (42.4%) |
| Increased hours at work | 279 (28.9%) |
| Modified duties | 328 (34.0%) |
| Teleworking | 136 (14.1%) |
| Sleep disorders before COVID-19 pandemic | 280 (29.1%) |
| Sleep disorders during COVID-19 pandemic | 704 (73.0%) |
| With drug use | 176 (18.3%) |
| Without drug use | 528 (54.8%) |
| New-onset sleep disorders | 451 (64.1%) |
| Pre-existing sleep disorders | 253 (35.9%) |