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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]
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  
(100.0%) (100.0%) (100.0%)   (100.0%) (100.0%) (100.0%)  
  1. 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