Table 2. Occupational protection characteristics of HCWs at the East-West Fangcang shelter hospital (n = 645).
| No. (%) | ||
|---|---|---|
| Previous experience in medical rescue | Yes | 118 (18.29) |
| No | 527 (81.71) | |
| Occupation during previous medical rescue (n = 118) | Medical staff | 87 (73.73) |
| Medical technician | 5 (4.24) | |
| Administrator | 13 (11.02) | |
| Guard | 1 (0.85) | |
| Others | 12 (10.17) | |
| Knew about proper procedure of wearing masks | Yes | 533 (82.64) |
| Know some | 106 (16.43) | |
| No | 6 (0.93) | |
| Type of masks used dailya | Medical surgical mask | 394 (61.09) |
| Disposable medical mask | 178 (27.60) | |
| Medical protective mask | 66 (10.23) | |
| Particulate protection masks | 7 (1.09) | |
| Wore multiple masks | Yes | 229 (35.50) |
| No | 416 (64.50) | |
| Average duration of wearing one maskb | 4 h | 350 (54.26) |
| 6–8 h | 235 (36.43) | |
| 12 h | 17 (2.64) | |
| 24 h | 21 (3.26) | |
| >24 h | 22 (3.41) | |
| Frequency of entering the inpatient area (times/week) | 0 | 72 (11.16) |
| 1–2 | 312 (48.37) | |
| 3–4 | 201 (31.16) | |
| 5–6 | 55 (8.53) | |
| ≥7 | 5 (0.78) | |
| Living environment | Single room | 307 (47.60) |
| Twin room | 337 (52.25) | |
| Multi-person living room | 1 (0.16) | |
| Residential hotels had proper infection control measures | Yes | 608 (94.26) |
| No | 37 (5.74) | |
| Satisfied with meals | Yes | 572 (88.68) |
| No | 6 (0.93) | |
| Sometimes no | 67 (10.39) | |
| Major concerns regarding the current situation | Personal protection against the virus | 550 (85.27) |
| Safety of the residential environment | 34 (5.27) | |
| Mental health | 22 (3.41) | |
| Leisure | 31 (4.81) | |
| Dining | 8 (1.24) | |
| The most common infection source considered by the HCWs | In the Fangcang shelter hospital | 276 (68.66) |
| Exposure while taking off the PPE | 85 (21.14) | |
| Lack or damage of PPE | 66 (16.42) | |
| Contact patients closely | 20 (4.98) | |
| Others | 105 (26.12) | |
| Out of the Fangcang shelter hospital | 71 (17.66) | |
| Twin room | 40 (9.95) | |
| Crowded place | 18 (4.48) | |
| Others | 13 (2.23) | |
| Personal factors | 55 (13.68) | |
| Inappropriate self-protection | 36 (8.96) | |
| Fatigue | 11 (2.74) | |
| Decreased immunity | 7 (1.74) | |
| Mental health | 1 (0.25) |
aThe filtration efficiency for 0.3 micron particles of medical protective masks (N95/KN95 masks for medical usage)and particulate protection masks (N95/KN95 masks for industry usage) were ≥95%, The filtration efficiency for 0.3 micron particles and 3 micron particles (e.g. bacteria) of medical surgical masks was ≥30% and ≥95%. The filtration efficiency of disposable medical masks were unknown, but lower than the medical surgical masks.
bThe recommended time for each mask was 4 h.