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Table 4 Multivariate analysis results for adolescent pregnancy experience and selected demographic and socioeconomic characteristics, women 20–24 years old, Philippines DHS 2013

From: Adolescent sexual initiation and pregnancy: what more can be learned through further analysis of the demographic and health surveys in the Philippines?

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