Table 4 Maternal and obstetric factors associated with institutional delivery service utilization among reproductive age women, Bahir Dar City Administration; Northwest Ethiopia, 2013

  <15

46 (47.4)

51 (52.6)

1.0

1.0

  15-19

120 (84.5)

22 (15.5)

6.0 [3.3-11.1]*

5.4 [2.0 -15.0]*

  20-24

150 (89.3)

18 (10.7)

9.2 [4.9-17.4]*

5.0 [1.5 -16.8]*

  25+

63 (85.1)

11 (14.9)

6.4 [2.9-13.5]*

1.7 [0.4 -7.7]

Age at first pregnancy

  <15

14 (43.8)

18 (56.2)

1.0

1.0

  15-19

74 (62.2)

45 (37.8)

2.1 [0.9-4.7]

1.2 [0.4-3.8]

  20-24

180 (86.5)

28 (13.5)

8.3 [3.7-18.5]*

2.5 [0.6 -10.2]

  25+

111 (91.0)

11 (9.0)

12.9 [5.1-33.0]*

2.3 [0.4 -13.6]

Age at last pregnancy

  <15

4 (57.1)

3 (42.9)

1.0

  15-19

17 (63.0)

10 (37.0)

1.3 [0.2-6.9]

0.5 [0.0-6.8]

  20-24

125 (78.1)

35 (21.9)

2.7 [0.6-12.5]

1.0 [0.1 -10.4]

  25+

233 (81.2)

54 (18.8)

3.2 [0.7-14.9]

2.9 [0.3 -31.4]

Number of pregnancy (gravidity)

  <3

281 (85.4)

48 (14.6)

3.2 [2.0-5.1]*

0.3 [0.0 -5.6]

  ≥3

98 (64.5)

54 (35.5)

1.0

1.0

Last pregnancy

  Planned

313 (80.5)

76 (19.5)

1.6 [1.0-2.8]*

--

  Unplanned

65 (71.4)

26 (28.6)

1.0

--

Gestational age at first ANC visit

  First trimester

209 (91.3)

20 (8.7)

10.4 [3.3-32.8]*

5.3 [1.3 -22.2]*

  Second trimester

139 (83.2)

28 (16.8)

5.0 [1.6-15.3]*

2.8 [0.7 -11.3]

  Third trimester

7 (50.0)

7 (50.0)

1.0

1.0

Number of live births (parity)

  <3

290 (85.3)

50 (14.7)

3.4 [2.2-5.3]*

--

  ≥3

89 (63.1)

52 (36.9)

1.0

--