Table 6.

Risk factors of TB prevalence among HCWs (line 221 in page 10 and 227 in page 11)

Variables	Total n	Prevalence n (1/100000)	Crude OR (95% CI)	P	Adjusted OR (95% CI)
Facility level
provincial	1981	10 (505)	1		1
prefectural	5088	42 (825)	1.64 (0.82–3.28)	0.161	1.61 (0.69–3.76)
county	2267	19 (838)	1.67 (0.77–3.59)	0.193	1.90 (0.73–4.98)
Region
eastern	4574	28 (612)	1		1
middle	2176	20 (919)	1.51 (0.85–2.68)	0.164	1.18 (0.59–2.34)
western	2586	23 (889)	1.46 (0.84–2.54)	0.183	0.75 (0.38–1.47)
Gender
male	3289	28 (851)	1		–
female	6223	43 (711)	0.83 (0.52–1.35)	0.457	–
Age (years)
≤ 30	2971	28 (942)	1		1
31–40	2436	19 (779)	0.83 (0.46–1.48)	0.523	1.07 (0.47–2.40)
41–50	2740	12 (438)	0.46 (0.24–0.91)	0.026	1.08 (0.33–3.51)
≥ 51	1189	12 (1009)	1.07 (0.54–2.11)	0.842	6.17 (1.35–28.28)
Education
master	438	4 (913)	1		–
bachelor	3726	27 (724)	0.79 (0.28–2.27)	0.665	–
junior college	2900	27 (931)	1.02 (0.36–2.93)	0.971	–
junior school and below	2272	13 (572)	0.62 (0.20–1.92)	0.412	–
Profession qualification
senior	1064	11 (1034)	1		1
intermediate	2627	19 (723)	0.70 (0.33–1.47)	0.344	0.60 (0.27–1.31)
primary	3120	32 (1026)	0.99 (0.50–1.98)	0.982	0.79 (0.33–1.87)
other	2525	9 (356)	0.34 (0.14–0.83)	0.017	0.40 (0.10–1.63)
Occupation
Medical technician	1150	5 (435)	1		1
administrative	2262	8 (354)	0.81 (0.27–2.49)	0.717	1.56 (0.31–7.74)
nurse	2648	30 (1133)	1.97 (0.76–5.13)	0.046	3.09 (1.15–8.32)
doctor	3276	28 (855)	2.62 (1.02–6.78)	0.162	2.21 (0.83–5.86)
Duration of employment (years)
≤ 5	2369	24 (1013)	1		1
6–15	2113	18 (852)	0.84 (0.45–1.55)	0.577	0.97 (0.45–2.09)
16–25	2418	16 (662)	0.65 (0.35–1.23)	0.185	0.79 (0.27–2.38)
≥ 26	2430	13 (535)	0.53 (0.27–1.04)	0.063	0.23 (0.05–1.01)
Smoking history
no	8069	61 (756)	1		–
yes	1028	10 (973)	1.29 (0.66–2.53)	0.458	–
With in-patient wards
no	1104	5 (453)	1		–
yes	8232	66 (802)	1.77 (0.71–4.42)	0.216	–
Screening for patients
yes	6839	49 (716)	1		–
no	2478	22 (888)	1.24 (0.75–2.06)	0.402	–
Items of department and staff composition
0–1	1819	12 (660)	1		–
2	7517	59 (785)	1.19 (0.64–2.22)	0.582	–
Items of staff training Implementation
0–2	1269	11 (867)	1		–
3	8067	60 (744)	0.86 (0.45-1.63)	0.639	–
Items of infection control evaluation implementation
0–1	3164	22 (695)	1		–
2	6172	49 (794)	1.14 (0.69–1.89)	0.604	–
Items of infection control policies and budgets implementation
2–3	7748	63 (813)	1		1
0–1	1588	8 (504)	0.62 (0.30–1.29)	0.200	0.66 (0.25–1.77)
Items of Individual protection
6	1872	21 (1122)	1		1
0–5	7464	50 (670)	0.59 (0.36–0.99)	0.047	0.56 (0.29–1.11)
Items of special administrative implementation
10–12	3779	17 (450)	1		1
0–9	5557	54 (972)	2.17 (1.26–3.75)	0.005	2.57 (1.37–4.80)
Items of promotion and education implementation
4–6	7087	59 (833)	1		1
0–3	2249	12 (534)	0.64 (0.34–1.19)	0.158	0.64 (0.25–1.61)
Items of floor plan design
3–4	5694	52 (913)	1		1
0–2	3642	19 (522)	0.57 (0.34–0.96)	0.036	0.68 (0.34–1.36)
Items of ventilation
2–4	6626	43 (649)	1		1
0–1	2710	28 (1033)	1.60 (0.99–2.58)	0.055	2.42 (1.31–4.47)
Items of ultraviolet germicidal lamps installation and maintenance
5–6	4455	42 (943)	1		1
0–4	4881	29 (594)	0.63 (0.39–1.01)	0.055	0.81 (0.43–1.55)