Table 4 Sensitivity analysis, considering all adolescent girls, n = 3258

Age (years)

15

1

16

4.71(0.52–42.57)

17

12.87(1.63–101.45)

18

22.24(2.88–171.93)

19

34.37(4.50–262.40)

Education level

No education

1

Primary

1.71(0.32–9.09)

Secondary

0.91(0.17–4.75)

Tertiary

5.08(0.61–42.32)

Working status

Not working

1

Working

1.72(1.03–2.88)

Being in a union

Living with partner

1

Not in a union

0.03(0.01–0.06)

Religion

Catholic

1

Protestant

1.11(0.65–1.89)

Others

1.61(0.80–3.23)

Health insurance coverage

No

1

Yes

0.76(0.40–1.44)

History of STI

No

1

Yes

38.89(10.28–147.10

Exposure to newspapers

No

1

Yes

1.37(0.81–2.34)

Exposure to radio

No

1

Yes

0.65(0.34–1.23)

Exposure to television

No

1

Yes

0.98(0.55–1.76)

Wealth index

Poorest

1

Poorer

1.17(0.51–2.68)

Middle

2.02(0.87–4.64)

Richer

1.23(0.52–2.95)

Richest

0.73(0.26–2.02)

Household size

6 and above

1

Less than 6

1.06(0.58–1.94)

Sex of household head

Male

1

Female

1.96(1.12–3.43)

Residence

Rural

1

Urban

1.37(0.70–2.70)

Region

South

1

North

1.02(0.46–2.27)

East

1.27(0.66–2.46)

West

0.53(0.23–1.21)

Kigali

0.28(0.10–0.77)