Table 4 The associations between teenage pregnancy and demographic, behavioural, familial and social factors, Lira (Uganda)

  Younger teenagers

1

1

1

1

  Older teenagers

1.4 (0.29–6.61)

0.7 (0.07–5.91)

0.6 (0.05–6.50)

1.4 (0.03–78.47)

  Urban

1

1

1

1

  Rural

1.7 (0.86–3.23)

1.3 (0.58–2.93)

1.4 (0.55–3.68)

0.3 (0.06–1.51)

  In school

1

1

1

1

  Not in school

45.9 (19.55–107.91)**

50.3 (17.25–146.96)**

46.6 (13.03–166.91)**

47.7 (7.61–299.53)**

  Post-secondary education

1

1

1

1

  No education

0.9 (0.32–2.78)

1.3 (0.31–5.59)

1.2 (0.23–6.15)

2.7 (0.27–26.78)

  Primary education

0.6 (0.25–1.44)

0.6 (0.20–1.97)

0.7 (0.19–3.02)

3.7 (0.33–40.42)

  Secondary education

0.6 (0.26–1.47)

0.7 (0.24–2.10)

0.6 (0.18–2.30)

1.3 (0.19–8.66)

  Post-secondary education

1

1

1

1

  No education

5.4 (2.15–13.35)**

5.8 (1.74–19.66)*

5.5 (1.35–22.67)*

1.6 (0.19–13.64)

  Primary education

2.1 (0.98–4.61)

1.8 (0.64–4.88)

1.6 (0.49–5.18)

0.7 (0.14–3.25)

  Secondary education

3.2 (1.35–7.78)*

2.9 (0.97–8.44)

2.5 (0.71–8.97)

2.0 (0.38–10.63)

  Business

1

1

1

1

  Farmer

0.3 (0.13–0.84)*

0.2 (0.05–0.57)*

0.1 (0.03–0.66)*

0.1 (0.01–1.95)

  Employed (Government/NGO)

0.9 (0.39–1.97)

0.7 (0.26–1.81)

0.8 (0.25–2.35)

0.7 (0.13–3.69)

(0.03–0.66)* (0.03–0.66)*Others*

2.6 (0.83–8.45)

0.9 (0.17–4.27)

1.2 (0.18–8.56)

1.5 (0.05–44.77)

  Yes

1

1

1

1

  No

1.1 (0.57–1.95)

1.3 (0.60–2.77)

1.2 (0.39–3.75)

2.2 (0.42–11.39)

  Older age

1

1

1

  Younger age

5.2 (1.14–24.04)*

8.7 (1.53–49.69)*

6.3 (0.46–86.18)

  Yes

1

1

1

  No

0.1 (0.03–0.21)**

0.5 (0.02–0.15)**

0.03 (0.01–0.16)***

 Frequency of sex per week

1

1

1

  More than two times

0.2 (0.07–0.40)**

0.1 (0.04–0.37)**

0.1 (0.03–0.63)**

  Less than two times

  Rare use

1

1

1

  Often use

0.2 (0.06–0.38)**

0.2 (0.05–0.44)**

0.1 (0.04–0.61)**

  High

1

1

  Low

1.7 (0.48–5.96)

2.0 (0.39–10.05)

  Medium

0.5 (0.12–1.89)

0.7 (0.12–4.36)

  Married

1

1

  Not married

0.1 (0.05–0.32)**

0.1 (0.02–0.41)**

  Separated

1

1

  Not separated

0.6 (0.21–1.57)

0.3 (0.06–1.03)

  Live with relative

1

1

  Live with both parents

0.9 (0.20–3.91)

1.1 (0.17–7.78)

  Live with only father

0.8 (0.13–4.66)

0.2 (0.01–3.87)

  Live with only mother

1.9 (0.45–8.15)

2.8 (0.43–18.76)

  Live with husband

1.5 (0.31–7.17)

3.5 (0.38–32.46)

  Yes

1

1

  No

0.5 (0.18–1.22)

0.3 (0.08–1.29)

  Yes

1

1

  No

0.7 (0.29–1.69)

0.6 (0.16–2.09)

  Yes

1

  No

0.1 (0.04–0.69)**

  Yes

1

  No

0.2 (0.04–0.69)**

  Yes

1

  No

57.0 (11.74–276.99)***

  Yes

1

  No

2.0 (0.51–7.91)

  Sex allowed before age 18

1

  Sex not allowed before age 18

0.5 (0.15–1.77)

  Older teenagers*marital status

0.01 (0.01–0.03)***

  Age at first sex

  Younger teenagers*marital status

0.78 (0.20–3.07)

  Rural*marital status

2.17 (1.23–3.82)**

  School attendance

  Not in school*marital status

50.98 (13.86–187.55)**

  No control*marital status

21.81 (7.46–63.76)***

  Low*marital status

1.51 (0.32–0.42)***

  Medium*marital status

0.12 (0.49–4.59)

  No violence*marital status

0.45 (0.25–0.83)**

  No neglect*marital status

0.38 (0.21–0.67)***

  No divorce*marital status

0.40 (0.23–0.69)***

  No awareness*marital status

4.52 (2.43–8.43)***

-2Log Likelihood

297.4

146.0

36.6

46.8

Hosmer & Lemeshow test

P = 0.35

P = 0.24

P = 0.49

P = 0.82

Nagelkereke pseudo R²

56.5%

19.0%

6.0%

27.2%

Classification accuracy

82.2%

92.2%

95.6%

96.9%