Table 5 Results of the Multivariable Cox regression analysis for predictors of pregnancy among reproductive age women on ART at public hospital of Jigjiga and Harar town, 2020

Age

15–24

20 (23.3%)

66 (76.7%)

2.12 (1.07, 4.19)

1.46 (0.69, 3.07)

25–34

78 (18.1%)

172 (81.9%)

1.65 (0.89, 3.05)

1.26 (0.67, 2.39)

≥ 35

14 (11.3%)

110 (88.7%)

(1)

(1)

Number of children’s

≥ 2 children

13 (9.1%)

130 (90.9%)

(1)

(1)

< 2 children

59 (21.3%)

218 (78.7%)

2.34 (1.28, 4.26)

2.93 (1.59, 5.40)**

Disease stage

Advanced

20 (9.5%)

190 (90.5%)

(1)

(1)

Unadvanced

52 (24.8%)

158 (75.2%)

2.43 (1.45, 4.07)

2.50 (1.49, 4.19)**

Functional status

Unable to working

7 (6.6%)

99 (93.4%)

(1)

(1)

Able to Working

65 (20.7%)

249 (79.3%)

2.34 (1.07, 5.10)

1.38 (0.58, 3.26)

Hemoglobin level

< 11

19 (9.5%)

181 (90.5%)

(1)

(1)

≥ 11

53 (24.1%)

167 (75.9%)

2.26 (1.33, 3.81)

1.18 (0.48, 2.95)

CD4 count level in cells/mm³

< 200

19 (9.7%)

176 (90.3%)

(1)

(1)

200–350

16 (17.2%)

77 (82.8%)

1.57 (0.81, 3.06)

0.68 (0.20, 2.37)

> 350

37 (28.0%)

95 (72.0%)

2.62 (1.51, 4.56)

1.36 (0.34, 5.44)

OIs

Yes

29 (12.2%)

209 (87.8%)

(1)

(1)

No

43 (23.6%)

39 (76.4%)

1.81 (1.13, 2.89)

0.72 (0.36, 1.43)

Disclosure of HIV Status

Not-disclosed

21 (12.3%)

149 (87.7%)

(1)

(1)

Disclosed

51 (20.4%)

199 (79.6%)

1.69 (1.02, 2.82)

2.25 (1.34, 3.79)**