Trends in repeated pregnancy among adolescents in the Philippines from 1993 to 2013

Maravilla, Joemer C.; Betts, Kim S.; Alati, Rosa

doi:10.1186/s12978-018-0630-4

Reproductive Health

Table 3 Trend analysis of repeated pregnancy and birth among adolescents per socio-geographic variable in each age group

From: Trends in repeated pregnancy among adolescents in the Philippines from 1993 to 2013

(Year x Characteristics Contrasts)	Repeated pregnancy									Repeated birth
	15–18 years old			19–21 years old			22–24 years old			15–18 years old			19–21 years old			22–24 years old
	OR	CI	p	OR	CI	p	OR	CI	p	OR	CI	p	OR	CI	p	OR	CI	p
Region
Luzon	0.82	0.66–1.02	0.08	0.88	0.81–0.96	0.004	0.80	0.75–0.86	< 0.001	0.86	0.65–1.14	0.291	0.92	0.84–1.02	0.118	0.84	0.79–0.90	< 0.001
Visayas	1.09	0.74–1.61	0.65	0.74	0.64–0.86	< 0.001	0.84	0.73–0.93	0.001	0.94	0.57–1.55	0.801	0.77	0.65–0.91	0.002	0.81	0.72–0.91	< 0.001
Mindanao	1.04	0.82–1.30	0.763	0.85	0.77–0.94	0.001	0.91	0.84–0.93	0.017	0.86	0.63–1.18	0.358	0.82	0.74–0.91	< 0.001	0.87	0.80–0.94	0.001
Type of residence
Urban	0.88	0.69–1.11	0.282	0.88	0.80–0.96	0.006	0.80	0.74–0.86	< 0.001	0.89	0.62–1.27	0.528	0.95	0.85–1.05	0.288	0.81	0.75–0.87	< 0.001
Rural	0.98	0.82–1.18	0.85	0.83	0.76–0.90	< 0.001	0.86	0.81–0.92	< 0.001	0.88	0.69–1.13	0.307	0.81	0.74–0.88	< 0.001	0.87	0.82–0.93	< 0.011
Wealth quintile
Poorest	0.95	0.75–1.20	0.677	0.9	0.81–1.00	0.056	0.90	0.81–0.99	0.03	0.82	0.59–1.14	0.239	0.88	0.79–0.98	0.018	0.90	0.82–1.00	0.041
Poorer	0.90	0.69–1.19	0.463	0.77	0.69–0.86	< 0.001	0.87	0.79–0.96	0.005	0.97	0.70–1.33	0.833	0.80	0.70–0.91	0.001	0.89	0.81–0.98	0.018
Middle	0.98	0.71–1.36	0.905	0.92	0.80–1.05	0.202	0.87	0.79–0.95	0.003	0.85	0.51–1.44	0.551	0.93	0.79–1.10	0.379	0.87	0.79–0.96	0.004
Richer	1.01	0.66–1.53	0.97	0.89	0.75–1.05	0.16	0.82	0.72–0.91	< 0.001	1.00	0.53–1.88	0.993	0.96	0.79–1.17	0.685	0.79	0.70–0.89	< 0.001
Richest	0.69	0.27–1.80	0.45	0.89	0.70–1.11	0.298	0.68	0.59–0.79	< 0.001	NC			0.99	0.76–1.29	0.927	0.73	0.62–0.86	< 0.001
Adjusted Wald Test	F	p		F	p		F	p		F	p		F	p		F	p
Region
Luzon vs. Visayas	1.57	0.211		3.69	0.054		0.18	0.668		0.09	0.766		3.58	0.059		0.30	0.585
Luzon vs. Mindanao	2.04	0.154		0.30	0.582		6.01	0.014		0.00	0.967		2.56	0.110		0.47	0.493
Visayas vs. Mindanao	0.06	0.812		2.07	0.151		1.86	0.173		0.08	0.782		0.47	0.491		1.06	0.302
Type of residence
Urban vs. Rural	0.54	0.462		0.94	0.33		2.62	0.106		0.00	0.951		5.21	0.023		2.34	0.127
Wealth quintile
Poorest vs. Poorer	0.07	0.787		4.29	0.039		0.13	0.718		0.49	0.485		1.22	0.289		0.04	0.844
Poorest vs. Middle	0.02	0.876		0.03	0.87		0.20	0.656		0.01	0.907		0.31	0.58		0.35	0.55
Poorest vs. Richer	0.07	0.797		0.03	0.853		1.43	0.232		0.28	0.595		0.60	0.44		2.74	0.098
Poorest vs. Richest	0.40	0.528		0.02	0.883		9.18	0.003		NA			0.65	0.419		5.00	0.023
Poorer vs. Middle	0.15	0.70		3.64	0.057		0.01	0.933		0.16	0.689		1.90	0.169		0.14	0.705
Poorer vs. Richer	0.18	0.668		1.87	0.172		0.83	0.363		0.01	0.93		2.27	0.133		2.37	0.124
Poorer vs. Richest	0.28	0.599		1.14	0.285		7.86	0.005		NA			1.96	0.162		4.39	0.036
Middle vs. Richer	0.01	0.915		0.09	0.763		0.75	0.387		0.14	0.709		0.06	0.801		1.47	0.226
Middle vs. Richest	0.45	0.504		0.06	0.807		7.63	0.006		NA			0.15	0.70		3.25	0.072
Richer vs. Richest	0.51	0.475		0.00	0.999		3.78	0.052		NA			0.03	0.866		0.65	0.42

Abbreviations: OR-Odds ratio; CI-95% Confidence Interval; p-p value; F-F statistic; NC-No cases; NA-Not applicable; OR-Odds ratio
Data captured in bold are highly significant

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