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Table 6 Risk factors of TB prevalence among HCWs (line 221 in page 10 and 227 in page 11)

From: Prevalence of and risk factors for tuberculosis among healthcare workers in Chinese tuberculosis facilities

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)