Table 3.

Inpatient wounds point prevalence estimates by demographic characteristics

Variable	Patients with wounds	Total patients	Point prevalence per 1000*	95% CI
Age group †
0–9	95	423 706	0.22	(0.18 to 0.27)
10–19	171	98 270	1.74	(1.50 to 2.02)
20–29	462	293 458	1.57	(1.44 to 1.72)
30–39	584	281 722	2.07	(1.91 to 2.25)
40–49	1569	480 648	3.26	(3.12 to 3.43)
50–59	2489	571 865	4.35	(4.19 to 4.53)
60–69	3763	835 686	4.50	(4.36 to 4.65)
70–79	3885	715 667	5.43	(5.26 to 5.60)
80–89	2825	299 432	9.44	(9.10 to 9.79)
90+	583	33 309	17.50	(16.15 to 18.97)
Gender
Male	9676	1 916 399	5.05	(4.95 to 5.15)
Female	6746	2 114 331	3.19	(3.12 to 3.27)
Missing	4	3033	1.32	(0.51 to 3.39)
Ethnic group
Minority	471	206 921	2.28	(2.08 to 2.49)
Han	15 955	3 826 844	4.17	(4.11 to 4.23)
Occupation
Civil servants and active army	88	20 341	4.33	(3.51 to 5.33)
Professionals and technical	96	33 195	2.89	(2.37 to 3.53)
Office clerk and manager	347	103 284	3.36	(3.03 to 3.73)
Worker	356	82 198	4.33	(3.91 to 4.80)
Agricultural labourer	6284	1 816 499	3.46	(3.38 to 3.55)
Student	133	103 659	1.28	(1.08 to 1.52)
Freelancer	427	98 469	4.34	(3.95 to 4.77)
Self- employed	63	19 021	3.31	(2.59 to 4.24)
Unemployed	491	124 972	3.93	(3.60 to 4.29)
Retired	1934	188 829	10.24	(9.80 to 10.71)
Others	6207	1 443 296	4.30	(4.20 to 4.41)

*Using the total number of inpatient people in Sichuan province during the fourth quarter of calendar year 2018.

†Continuous variable was transferred to 10 year age categories manually.