Table 4 Multivariate analysis results for adolescent pregnancy experience and selected demographic and socioeconomic characteristics, women 20–24 years old, Philippines DHS 2013
Outcome: Experienced adolescent pregnancy | (A) Unadjusted odds ratio, full (95% C.I.) | P-value | (B) Adjusted odds ratio, full (95% C.I.) | P-value | (C) Adjusted odds ratio, reduced (95% C.I.) | P-value |
|---|---|---|---|---|---|---|
Sexual initiation before first union (base: Sexual initiation at or after first union) | 0.408 (0.240, 0.692) | 0.001 | 0.611 (0.347, 1.076) | 0.088 | 0.616 (0.352, 1.080) | 0.091 |
Level of education (base: Primary or lower) | ||||||
 Secondary | 0.521 (0.324, 0.838) | 0.007 | 0.627 (0.375, 1.047) | 0.075 | 0.608 (0.363, 1.019) | 0.059 |
 Higher | 0.165 (0.101, 0.271) | < 0.001 | 0.223 (0.125, 0.396) | < 0.001 | 0.219 (0.123, 0.390) | < 0.001 |
Wealth quintile (base: Lowest) | ||||||
 Second | 0.486 (0.304, 0.775) | 0.002 | 0.593 (0.361, 0.973) | 0.039 | 0.576 (0.352, 0.944) | 0.029 |
 Middle | 0.408 (0.255, 0.653) | < 0.001 | 0.549 (0.326, 0.922) | 0.023 | 0.534 (0.320, 0.891) | 0.016 |
 Fourth | 0.291 (0.182, 0.466) | < 0.001 | 0.517 (0.294, 0.909) | 0.022 | 0.497 (0.292, 0.848) | 0.010 |
 Highest | 0.172 (0.103, 0.288) | < 0.001 | 0.365 (0.193, 0.689) | 0.002 | 0.355 (0.195, 0.644) | 0.001 |
 Rural residence (base: Urban residence) | 1.445 (1.094, 1.909) | 0.010 | 1.038 (0.752, 1.433) | 0.821 | – | – |
Age at first menstrual period (base: 10 years old or below) | ||||||
 11 to 12 years old | 0.601 (0.251, 1.438) | 0.252 | 0.436 (0.169, 1.123) | 0.085 | – | – |
 13 to 14 years old | 0.888 (0.374, 2.110) | 0.788 | 0.562 (0.219, 1.441) | 0.230 | – | – |
 15 years old and above | 0.793 (0.335, 1.881) | 0.599 | 0.463 (0.180, 1.189) | 0.109 | – | – |
Ever used any method of contraception/family planning (base: Never used any method) | ||||||
 Last used more than five years ago | 2.491 (1.641, 3.780) | < 0.001 | 2.784 (1.802, 4.302) | < 0.001 | 2.829 (1.835, 4.360) | < 0.001 |
 Last used within the last five years | 2.570 (1.859, 3.553) | < 0.001 | 2.825 (2.001, 3.987) | < 0.001 | 2.855 (2.022, 4.030) | < 0.001 |
Currently engaged in paid employment (base: Not currently engaged in paid work) | 0.685 (0.524, 0.895) | 0.006 | 0.919 (0.680, 1.240) | 0.579 | – | – |
Sub-population size (n), weighted | 1175 | |||||