Survival Modeling on the Determinants of Time to Recovery from Obstetric Fistula: The Case of Mekelle Hamlin Fistula Center, Ethiopia
Table 5
Log-logistic inverse Gaussian shared frailty model analysis of obstetric fistula patients at Mekelle Hamlin Fistula Center, January 2015 to January 2020.
Variables
Estimate ()
EXP ()
95% CI for exp ()
SE ()
value
Height
<150 cm
1
1
1
1
>150 cm
-0.3730
0.688
0.517, 0.860
0.0875
0.047
Age at delivery
<18
1
1
1
1
18-30
-0.35650
10.700
0.457, 0.943
0.1238
0.004
> 30
-0.65023
0.522
0.259, 0.784
0.1338
0.000
Residence
Urban
1
1
1
1
Rural
0.3057
1.357
1.236, 1.479
0.0621
0.000
Educational status
No education
1
1
1
1
Primary education
-0.08094
0.922
0.830, 1.014
0.0469
0.085
Secondary and above
-0.18593
0.830
0.693, 0.967
0.0699
0.008
Physiotherapy use
No
1
1
1
1
Yes
-0.22146
0.801
0.662, 0.940
0.0708
0.002
Place of delivery
Health institution
1
1
1
1
Home
0.15264
1.165
1.034, 1.296
0.0668
0.022
Fistula type
VVF
1
1
1
1
RVF
-0.51585
0.597
0.433, 0.761
0.0838
0.000
Fistula size
Small
1
1
1
1
Medium
-0.03473
0.966
0.836, 1.096
0.0664
0.601
Large
0.19990
1.221
1.110, 1.332
0.0567
0.000
Extensive
0.24832
1.282
1.175, 1.388
0.0544
0.000
,,,, and . Likelihood ratio test of , chi-, and value = 0.001. indicates acceleration factor. Significant at 5% level. 95% CI for : confidence interval for ; SE (): standard error for .
