Incidence and Predictors of Pregnancy among Women on ART in Debre Markos Referral Hospital, Northwest Ethiopia: A Five-Year Retrospective Cohort Study
Table 3
Cox’s proportional hazards models examining predictors of incidence of pregnancy with 95% CIs, among women on ART in Debre Markos Referral Hospital, Northwest Ethiopia, Sept. 2011 to Aug. 2015 ( = 1,239).
Variable
Status of pregnancy
CHR (95% CI)
AHR (95% CI)
No
Yes
Place of residence
Urban
861 (90%)
96 (10%)
1
1
Rural
242 (85.8%)
40 (14.2%)
1.40 (0.97–2.02)
17.87 (10.72–29.79)
Age
15–24
267 (89.3%)
32 (10.7%)
1
25–34
476 (86.5%)
74 (13.5%)
1.22 (0.81–1.85)
≥35 years
360 (92.3%)
30 (7.7%)
0.68 (0.41–1.12)
Marital status
Never married
239 (95.2%)
12 (4.8%)
1
1
Married
400 (83.5%)
79 (16.5%)
3.61 (1.97–6.64)
5.35 (2.14–13.36)
Widowed
258 (91.5%)
24 (8.5%)
1.81 (0.90–3.62)
3.65 (1.06–12.49)
Divorced
206 (90.7%)
21 (9.3%)
2.13 (1.05–4.34)
4.34 (1.42–13.22)
Educational status
Unable to read & write
493 (83.6%)
97 (16.4%)
3.83 (1.93–7.59)
2.28 (0.89–5.84)
Primary (1–8)
224 (94.5%)
13 (5.5%)
1.24 (0.53–2.90)
0.77 (0.24–2.48)
Secondary (9–12)
197 (92.1%)
17 (7.9%)
1.81 (0.80–4.06)
1.31 (0.37–4.61)
Certificate and above
189 (95.5%)
9 (4.5%)
1
1
Occupational status
Unemployed
858 (88%)
117 (12%)
1.72 (1.06–2.80)
4.37 (1.91–9.98)
Employed
245 (92.8%)
19 (7.2%)
1
1
Number of children at enrollment
0-1 child
604 (87.3%)
88 (12.7%)
1.55 (1.09–2.21)
2.05 (1.31–3.20)
≥2 children
499 (91.2%)
48 (8.8%)
1
1
Note: level of significance was considered at a cutoff point of the value of 0.05.