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Table 3 Bi-variable and Multivariable Binary logistic regression analysis for factors associated with treatment delay among adult DR-TB patients in Amhara regional State treatment initiating centers from September 2010 to December 2017 (n = 530)

From: Treatment delay and associated factors among adults with drug resistant tuberculosis at treatment initiating centers in the Amhara regional state, Ethiopia

Variable Treatment delay OR (95% CI)
Yes No COR AOR
TIC GUH 165 137 3.52(1.80–6.88) 1.41(0.64–3.11)
Borumeda hospital 59 77 2.24(1.09–4.58) 1.33(0.56–3.17)
Debre-Markos hospital 19 22 2.52(1.05–6.08) 1.45(0.55–3.79)
Woldiya hospital 13 38 1 1
Occupation Employed 64 75 1 1
Unemployed 109 130 0.98 (0.65–1.49) 0.84(0.51–1.38)
Farmer 83 69 1.41(0.89–2.24) 1.14(0.66–1.97)
Educational status Cannot read and write 77 81 0.78 (0.45–1.37) 0.89(0.46–1.73)
Primary 96 119 0.66 (0.39–1.14) 0.55 (0.29–1.04)
Secondary 44 42 0.86 (0.46–1.61) 0.81(0.39–1.69)
Tertiary and above 39 32 1 1
Base line functional status Working 77 117 1 1
Ambulatory 143 110 1.98(1.35–2.89) 1.03(0.64–1.68)
Bedridden 36 47 1.16(0.69–1.96) 0.89(0.46–1.72)
Previous TB Rx history New 24 64 1 1
One times and above 232 210 2.95(1.78–4.88) 1.23(0.69–2.19)
HIV status Positive 55 88 0.58(0.39–0.86) 0.69(0.44–1.11)
Negative 201 186 1 1
Type of diagnostic test Expert 92 217 1 1
LPA 122 43 6.69(4.38–10.23) 5.59(3.48–8.98)*
Culture 42 14 7.08(3.69–13.58) 5.15(2.53–10.47)*
Chief complain Cough 241 248 1 1
Others 15 26 0.59(0.31–1.15) 0.65(0.29–1.45)
History of injectable anti-TB drug Yes 139 85 2.64(1.85–3.77) 2.12(1.41–3.19)*
No 117 189 1 1
Base line BMI Low 177 210 0.69(0.47–1.02) 0.75(0.48–1.17)
Normal 78 64 1 1
  1. OR odds ratio, CI confidence interval, LPA Line Probe Assay
  2. Note: * = shows statistically significant at p<0.05