| % out of n* (number) | Adjusted OR (95% CI) | p-value |
---|---|---|---|
Age | Â | Â | Â |
 15 | 19.9 (731) | 1 |  |
 16 | 20.6 (756) | 2.3 (1.3, 4.2) | 0.007 |
 17 | 18.1 (667) | 6.4 (3.6, 11.5) |  < 0.001 |
 18 | 21.0 (771) | 15.6 (8.9, 27.1) |  < 0.001 |
 19 | 20.2 (741) | 29.1 (16.9, 50.1) |  < 0.001 |
Per year increase |  | 2.3 (2.1, 2.5) |  < 0.001 |
Wealth (Rich vs Poor) | Â | Â | Â |
 Rich (4th &5th) | 48.0 (1,760) | 1 |  |
 Poor (1st,2nd & 3rd) | 52.0 (1,906) | 1.7 (1.3, 2.4) |  < 0.001 |
Educational attainment | Â | Â | Â |
 No education | 2.1 (75) | 1 |  |
 Lower primary | 7.1 (259) | 0.5 (0.2, 1.2) | 0.123 |
 Upper primary | 35.3 (1,294) | 0.6 (0.3, 1.3) | 0.228 |
 Junior secondary | 36.7 (1,347) | 0.4 (0.2, 0.7) | 0.006 |
 Senior secondary | 18.6 (682) | 0.1 (0.0, 0.2) |  < 0.001 |
 Tertiary | 0.3 (9) | 0.1 (0.0, 0.8) | 0.035 |
Knowledge of contraception | Â | Â | Â |
 Does not know | 4.4 (162) | 1 |  |
 Knows | 95.6 (3,504) | 5.4 (1.9, 15.6) | 0.002 |
Marital status | Â | Â | Â |
 Single | 84.5 (3,098) | 1 |  < 0.001 |
 Married | 15.5 (568) | 6.7 (4.9, 9.2) |  |
Contraception use | Â | Â | Â |
 None | 89.4 (3,278) | 1 |  |
 At least one method | 10.6 (388) | 14.4 (9.2, 22.4) |  < 0.001 |
Abortion | Â | Â | Â |
 No | 98.4 (3,606) | 1 |  |
 Yes | 1.6 (60) | 0.5 (0.2, 1.3) | 0.174 |