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Table 2 Multiple covariate analysis of time to recovery from obstetric fistula patients at Gondar university teaching and referral hospital (January 2010–March, 2017)

From: Time to recovery from obstetric fistula and determinants in Gondar university teaching and referral hospital, northwest Ethiopia

Variables Crud hazard ratio Adjusted hazard ratio
CHR (95% CI) AHR (95% CI)
Economical dependence
 Dependent 1   1  
 Independent 1.92 1.62 2.29 1.05 0. 80 1.39
Delivery outcome
 Still-born 1   1  
 Alive 1.35 1.13 1.60 1.16 0.89 1.52
BMI
 Normal weight 1   1  
 Under weight 0.39 0.30 0.50 0.45 0.30 0.68
 Over weight 0.61 0.50 0.74 0.56 0.41 0.76
 Obesity 0.25 0.16 0.38 0.41 0.21 0.80
Parity
 Primiparous 1   1  
 Multiparous 1.31 1.11 1.56 1.51 1.17 1.96
Delivery place
 Home 1   1  
 Health service 1.48 1.25 1.75 0.95 0.73 1.25
Duration of labor 0.88 0.84 0.92 0.98 0.91 1.06
Antibiotic use
 Didn’t use 1   1  
 Use 2.46 2.05 2.96 1.49 1.11 2.01
Residence
 Urban 1   1  
 Rural 0.56 0.45 0.69 0.72 0.52 1.01
Antenatal care visit
 Don’t use 1   1  
 Used 3.35 2.80 4.01 1.95 1.39 2.73
Physiotherapy
 No 1   1  
 Yes 1.87 1.57 2.23 1.23 0.93 1.63
Duration of bladder catheterization 0.92 0.91 0.93 0.93 0.90 0.95
Length of fistula hole
 Small (< 2) 1   1  
 Medium (2–3.9) 0.61 0.48 0.78 0.71 0.50 1.02
 Large (4–5.9) 0.39 0.31 0.48 0.62 0.43 0.91
 Extensive (>/=6) 0.23 0.16 0.322 0.42 0.23 0.78
Width of fistula hole
 Small (< 2) 1   1  
 Medium (2–3.9) 0.40 0.32 0.50 0.40 0.28 0.58
 Large (4–5.9) 0.31 0.24 0.39 0.50 0.33 0.75
 Extensive (>/=6) 0.22 0.15 0.33 0.55 0.28 1.08
Educational status
 Illiterate 1   1  
 Literate 3.97 3.26 4.84 2.23 1.62 3.06
Constant    0.01 0.005 0.021