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

Habito, Christine Marie; Vaughan, Cathy; Morgan, Alison

doi:10.1186/s12889-019-7451-4

Table 2 Percentage distribution of adolescents reporting (A) sexual experience and (B) pregnancy experience across three DHS rounds, Philippines, 2003, 2008, and 2013

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

Subpopulation: adolescents	(A) ADOLESCENT SEXUAL INITIATION Weighted count (Percentage distribution, by column) [95% Confidence Intervals]				(B) ADOLESCENT PREGNANCY Weighted count (Percentage distribution, by column) [95% Confidence Intervals]
Subpopulation: adolescents	2003	2008	2013	P-value	2003	2008	2013	P-value
Marital status				< 0.001				< 0.001
Never-married	31	67	135		16	26	44
	(11.3%)	(17.8%)**	(28.5%)***		(7.1%)	(9.0%)	(13.3%)**
	[8.0,15.7]	[13.5,23.0]	[24.3,33.1]		[4.3,11.8]	[5.6,14.2]	[9.9,17.6]
Married	104	80	68		91	62	63
	(37.5%)	(21.3%)	(14.4%)		(41.4%)	(21.6%)	(18.8%)
	[31.2,44.1]	[17.4,25.8]	[11.4,18.0]		[34.4,48.8]	[17.1,27.0]	[14.9,23.5]
Living with partner	134	204	245		105	177	208
	(48.3%)	(54.3%)	(51.9%)		(47.6%)	(61.9%)	(62.0%)
	[41.9,54.7]	[48.7,59.9]	[47.1,56.6]		[40.4,54.9]	[55.7,67.8]	[56.5,67.2]
Widowed/separated/divorced	8	25	25		8	21	20
	(3.0%)	(6.6%)	(5.2%)		(3.8%)	(7.4%)	(5.9%)
	[1.3,7.0]	[4.5,9.7]	[3.4,7.9]		[1.6,8.8]	[4.9,11.1]	[3.6,9.3]
Level of education				0.002				0.109
Primary or lower	94	88	96		76	72	79
	(33.9%)	(23.5%)	(20.3%)		(34.4%)	(25.3%)	(23.7%)
	[27.6,40.9]	[19.5,28.1]	[16.7,24.5]		[27.4,42.3]	[20.6,30.8]	[19.2,28.9]
Secondary	161	239	314		123	178	217
	(58.1%)	(63.8%)***	(66.4%)***		(56.1%)	(62.3%)**	(64.9%)**
	[51.3,64.6]	[58.5,68.9]	[62.0,70.6]		[48.7,63.3]	[56.1,68.1]	[59.6,69.8]
Higher education	22	47	63		21	35	38
	(8.0%)	(12.6%)**	(13.3%)**		(9.5%)	(12.4%)	(11.4%)
	[5.3,11.7]	[9.2,17.1]	[10.5,16.7]		[6.2,14.1]	[8.5,17.8]	[8.5,15.2]
Wealth quintile				0.015				0.119
Lowest	95	91	108		78	75	80
	(34.3%)	(24.3%)	(22.8%)		(35.5%)	(26.3%)	(24.0%)
	[28.0,41.3]	[19.8,29.4]	[18.8,27.3]		[28.4,43.2]	[21.0,32.4]	[19.4,29.3]
Second	72	87	104		58	71	75
	(25.8%)	(23.1%)	(21.9%)		(26.2%)	(25.0%)	(22.3%)
	[20.7,31.6]	[19.0,27.8]	[18.1,26.3]		[20.5,32.7]	[20.2,30.4]	[17.6,27.7]
Middle	52	79	115		40	63	89
	(18.8%)	(21.2%)*	(24.4%)***		(18.2%)	(22.1%)*	(26.4%)**
	[14.4,24.2]	[17.0,26.2]	[20.5,28.7]		[13.3,24.3]	[17.1,28.0]	[21.7,31.7]
Fourth	38	64	90		30	46	61
	(13.5%)	(17.0%)*	(19.1%)***		(13.6%)	(16.2%)⁺	(18.2%)*
	[9.9,18.2]	[12.8,22.2]	[15.3,23.5]		[9.6,18.7]	[11.6,22.1]	[13.8,23.7]
Highest	21	54	56		15	30	30
	(7.6%)	(14.4%)	(11.9%)		(6.6%)	(10.4%)	(9.1%)
	[4.9,11.5]	[11.1,18.6]	[8.9,15.8]		[4.0,11.0]	[7.3,14.8]	[6.0,13.4]
Total	278	375	472		220	286	335
Total	(100.0%)	(100.0%)	(100.0%)		(100.0%)	(100.0%)	(100.0%)

Source: Appended Philippines DHS 2003, 2008 and 2013 datasets. Note: There are slight discrepancies in weighted count totals due to the application of sampling weights. P-values in the columns were derived using Pearson’s chi-square test, and refer to general differences across cells for each variable. Asterisks within cells indicate P-values were derived from further analysis for selected variables which compares each 2008 and 2013 row value to the base year (2003) of that row through bivariate logistic regression, and where *** P < 0.001, ** P < 0.010, * P < 0.050, and ⁺ P < 0.100. Odds ratios and P-values from the further analyses are cited in the narratives

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