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Table 4 Logistic regression models of risk factors for adverse maternal outcomesa

From: A retrospective analysis of adverse obstetric and perinatal outcomes in adolescent pregnancy: the case of Luapula Province, Zambia

Maternal outcomes

Maternal age group

Crude Odds ratio (95% CI)

Adjusted Odds ratio (95% CI)

Eclampsia

10–15

40.563 (13.094–125.651)

30.503 (7.802–119.247)

(N = 1245)

16–17

0.683 (0.079–5.883)

0.459 (0.049–4.312)

 

18–19

1.467 (0.391–5.497)

0.179 (0.019–1.697)

Anaemia

10–15

Non-estimable

Non-estimable

(N = 1245)

16–17

3.450 (0.483–24.652)

7.645(0.439–133.114)

 

18–19

2.755 (0.458–16.563)

1.252 (0.093–16.765)

Haemorrhage

10–15

3.586 (1.010–12.739)

0.071 (0)

(N = 1717)

16–17

0.463 (0.106–2.025)

Non-estimable

 

18–19

1.015 (0.446–2.315)

0.022 (0.001–0.437)

Sepsis (N = 1387)

10–15

Non-estimable

0.466 (0)

 

16–17

1.739 (0.316–9.561)

0.475(0)

 

18–19

1.796 (0.447–7.218)

0.250(0.013–4.729)

Fistulae (N = 744)

10–15

Non-estimable

Non-estimable

 

16–17

Non-estimable

Non-estimable

 

18–19

0.371 (0.125–1.106)

Non-estimable

PROM (N = 744)

10–15

Non-estimable

Non-estimable

 

16–17

0.980 (0.108–8.865)

1.804 (0.175–18.588)

 

18–19

1.833 (0.454–7.404)

0.712 (0.108–4.685)

CPD (N = 1216)

10–15

5.401 (2.461–11.852)

1.604 (0.721–3.569)

 

16–17

2.130 (1.320–3.438)

0.687 (0.416–1.136)

 

18–19

1.102 (0.724–1.678)

0.471 (0.301–0.736)

Prolonged labour

10–15

1.488 (0.432–5.126)

2.569 (0.710–9.289)

(N = 1245)

16–17

0.345 (0.119–0.995)

0.397 (0.136–1.155)

 

18–19

0.862 (0.479–1.552)

0.928 (0.512–1.682)

Caesarean section

10–15

3.334 (1.930–5.760)

0.082 (0.011–0.616)

(N = 1859)

16–17

1.548 (1.128–2.124)

0.124 (0.044–0.355)

 

18–19

1.243 (0.964–1.605)

0.048 (0.015–0.151)

Maternal death

10–15

Non-estimable

Non-estimable

(N = 744)

16–17

0.980 (0.205–4.687)

1.242 (0.251–6.142)

 

18–19

0.449 (0.095–2.136)

0.207 (0.031–1.386)

  1. aThe covariates included in the logistic regression model were marital status, gravida and ANC