Research Article

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).

VariableStatus of pregnancyCHR (95% CI)AHR (95% CI)
NoYes

Place of residence
 Urban861 (90%)96 (10%)11
 Rural242 (85.8%)40 (14.2%)1.40 (0.97–2.02)17.87 (10.72–29.79)
Age
 15–24267 (89.3%)32 (10.7%)1
 25–34476 (86.5%)74 (13.5%)1.22 (0.81–1.85)
 ≥35 years360 (92.3%)30 (7.7%)0.68 (0.41–1.12)
Marital status
 Never married239 (95.2%)12 (4.8%)11
 Married400 (83.5%)79 (16.5%)3.61 (1.97–6.64)5.35 (2.14–13.36)
 Widowed258 (91.5%)24 (8.5%)1.81 (0.90–3.62)3.65 (1.06–12.49)
 Divorced206 (90.7%)21 (9.3%)2.13 (1.05–4.34)4.34 (1.42–13.22)
Educational status
 Unable to read & write493 (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 above189 (95.5%)9 (4.5%)11
Occupational status
 Unemployed858 (88%)117 (12%)1.72 (1.06–2.80)4.37 (1.91–9.98)
 Employed245 (92.8%)19 (7.2%)11
Number of children at enrollment
 0-1 child604 (87.3%)88 (12.7%)1.55 (1.09–2.21)2.05 (1.31–3.20)
 ≥2 children499 (91.2%)48 (8.8%)11

Note: level of significance was considered at a cutoff point of the value of 0.05.