Table 1 Demographic characteristics (N = 679)
Variable | Total(N%) |
|---|---|
Gender | |
Male | 371(54.6) |
Female | 308(45.4) |
Age (years old) | |
18–30 | 51(7.6) |
31–50 | 159(23.4) |
51–70 | 312(45.9) |
71 and above | 157(23.1) |
Per capita monthly income (rmb) | |
<1999 | 181(26.7) |
2000–3999 | 400(58.9) |
>4000 | 98(14.4) |
Department | |
Internal medicine | 392(57.7) |
Surgery | 233(34.3) |
Others | 54(8.0) |
Hospitalization (day) | |
3–7 | 202(29.7) |
8–16 | 298(43.9) |
17–21 | 157(23.1) |
22 and above | 22(3.20) |
Medical insurance | |
Yes | 615(90.6) |
No | 64(9.4) |
Time to sleep(minute) | |
0–15 | 252(37.1) |
16–30 | 310(45.7) |
31–45 | 117(17.2) |
Sleep disruption duration (minute) | |
0–15 | 184(41.8) |
16–30 | 288(42.4) |
31–45 | 107(17.2) |
Length of sleep per night(hours) | |
<5 | 166(24.4) |
>5 | 166(24.4) |
Self-rated sleep | |
Very good | 99(14.6) |
Good | 284(41.8) |
General | 114(16.8) |
Bad | 141(20.8) |
Very bad | 41(6.0) |