Table 4 Bivariable and multivariable analysis of determinants of pre-eclampsia among mothers attending delivery in public health institutions of Debre Tabor Town, Northwest Ethiopia, December 1, 2020 to January 15, 2021 (N = 264)

Age in years

 15–24

35 (39.8)

41 (23.3)

1

1

 25–34

43 (48.9)

86 (48.9)

1.707 (0.955–3.052)

0.477 (0.140–1.626)

 ≥ 35

10 (11.3)

49 (27.8)

4.183 (1.850–9.460)

2.436 (0.545–10.890)

Educational status

 No formal education

24 (27.3)

41 (23.3)

1.058 (0.449–2.488)

1.511 (0.207–11.048)

 Primary

8 (9.1)

41 (23.3)

3.173 (1.137–8.850)

2.031 (0.295–11.989)

 Secondary

43 (48.9)

73 (41.5)

1.051 (0.478–2.310)

1.854 (0.273–12.609)

 Tertiary

13 (14.7)

21 (11.9)

1

1

Age at menarche

 10–15 years

30 (34.1)

13 (7.4)

6.485 (3.168–13.277)

7.696 (3.105–25.293)

 15–20 years

58 (65.9)

163 (92.6)

1

1

Gravidity

 Primi

59 (67.0)

13 (7.4)

1.694 (0.406–1.186)

2.041 (0.408–10.212)

 Multi

29 (33.0)

163 (92.6)

1

1

Status of pregnancy

 Wanted

28 (31.8)

142 (80.7)

1

1

 Unwanted

46 (52.3)

12 (6.8)

0.051 (0.024–0.109)

5.889 (2.933–22.427)

 Mistimed

14 (15.9)

22 (12.5)

0.310 (0.142–0.678)

0.095 (0.022–3.402)

Change partner

 Yes

43 (48.9)

19 (10.8)

0.127 (0.067–0.239)

4.164 (3.494–17.033)

 No

45 (51.1)

157 (89.2)

1

1

Family history of PE

 Yes

49 (55.7)

12 (6.8)

0.058 (0.028–0.120)

1.521 (1.402–4.182)

 No

39 (44.3)

164 (93.2)

1

1

Smoking habit

 Yes

16 (18.2)

21 (11.9)

1.640 (0.808–3.329)

4.656 (0.998–11.440)

 No

72 (81.9)

155 (88.1)

1

1

Alcohol intake

 Yes

55 (62.5)

71 (40.3)

1.406(0.240–0.687)

2.187 (2.044–11.797)

 No

33 (37.5)

105 (59.7)

1

1