Table 4 Determinants of not using condoms, other birth control methods other than condom and any birth control method at last sex among school-going adolescents in nine sub-Saharan African Countries using 2012–2017 GSHS

 16 years and above

1

1

1

 Less than 16 years

1.48 (1.13–1.95) ^⁎⁎

1.19 (0.91–1.56)

1.55 (1.15–2.10) ^⁎⁎

 (male vs female)

1.26 (0.98–1.60)

1.37 (1.09–1.73) ^⁎⁎

1.48 (1.22–1.80) ^⁎⁎

 (yes vs no)

1.81 (1.47–2.22) ^⁎⁎

1.83 (1.48–2.27) ^⁎⁎

2.29 (1.83–2.97) ^⁎⁎

Current alcohol use

 (yes vs no)

0.86 (0.72. -1.04)

1.11 (0.92–1.34)

0.95 (0.80–1.14)

 (Yes vs No)

1.00 (0.73–1.37)

0.67 (.0.49–0.92)

0.83 (0.60–1.14)

 (yes vs. no)

1.30 (1.06–1.58) ^⁎⁎

0.96 (0.80–1.17)

1.04 (0.86–1.24)

 0

1.00 (0.77–1.30)

1.14 (0.90–1.44)

1.00 (0.75–1.33)

 1

1.10 (0.82–1.46)

1.25 (0.94–1.65)

1.27 (0.94–1.72)

 2–5

1

1

1

 (no vs. yes)

0.89 (0.73–1.09)

1.00 (0.83–1.19)

0.92 (0.77–1.09)

 (No vs Yes)

1.16 (0.96.- 1.40)

1.08 (0.88–1.32)

1.04 (0.85–1.28)

 Low

1.54 (1.17–2.03) ^⁎⁎

1.64 (1.34–2.00) ^⁎⁎

2.04 (1.54–2.69) ^⁎⁎

 Medium

1.10 (0.82–1.46)

1.17 (0.93–1.47)

1.22 (0.88–1.69)

 High

1

1