Table 4.6 Percent Distribution of Non-first Births in the Five Years Preceding the Survey by Number of Months
Since Preceding Birth, According to Background Characteristics, Philippines 2003
(Birth Intervals)
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Months since preceding birth Number of Median number
Background -------------------------------------------- non-first of months since
characteristics 7-17 18-23 24-35 36-47 48+ Total births preceding birth
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Age
15-19 45.3 25.3 24.1 5.3 0.0 100.0 31 19.4
20-29 23.5 21.0 29.8 13.4 12.4 100.0 1,914 25.4
30-39 13.0 14.4 26.3 15.5 30.7 100.0 2,435 33.5
40-49 5.6 9.9 23.0 14.8 46.8 100.0 615 44.5
Birth order
2-3 20.0 18.0 24.1 13.4 24.5 100.0 2,649 28.5
4-6 11.3 13.8 29.6 15.9 29.4 100.0 1,598 33.4
7+ 14.1 16.7 33.1 15.6 20.4 100.0 749 30.3
Sex of preceding birth
Male 16.8 15.8 26.6 14.9 25.8 100.0 2,596 30.9
Female 15.8 17.1 27.8 14.1 25.1 100.0 2,399 30.2
Survival of preceding birth
Living 15.4 16.3 27.6 14.6 26.1 100.0 4,790 30.9
Dead 37.3 20.2 18.5 13.0 11.0 100.0 206 20.9
Residence
Urban 19.1 15.1 24.1 13.8 27.9 100.0 2,344 30.8
Rural 13.9 17.6 29.9 15.2 23.4 100.0 2,652 30.4
Region
National Capital Region 22.6 15.8 24.6 12.3 24.8 100.0 709 27.8
Cordillera Admin Region 12.9 17.6 27.1 18.0 24.4 100.0 83 30.6
I - Ilocos Region 13.9 18.5 26.5 11.8 29.3 100.0 204 28.8
II - Cagayan Valley 14.6 13.5 26.3 12.6 33.0 100.0 148 34.5
III - Central Luzon 15.5 12.9 25.4 15.9 30.2 100.0 475 34.1
IVA - Calabarzon 17.8 13.5 22.7 16.7 29.3 100.0 543 32.6
IVB - Mimaropa 13.4 15.7 33.6 18.5 18.9 100.0 185 30.5
V - Bicol Region 11.5 23.0 30.8 12.7 22.0 100.0 338 28.9
VI - Western Visayas 12.3 17.3 33.1 16.9 20.4 100.0 371 30.7
VII - Central Visayas 16.5 20.0 24.0 14.9 24.5 100.0 397 30.3
VIII - Eastern Visayas 15.2 18.6 30.6 16.6 19.0 100.0 282 27.9
IX - Zamboanga Peninsula 13.7 12.2 27.1 16.1 30.8 100.0 209 32.9
X - Northern Mindanao 12.4 14.3 25.1 13.0 35.1 100.0 218 34.7
XI - Davao Peninsula 13.5 13.5 30.6 13.3 29.2 100.0 206 32.6
XII - SOCCSKSARGEN 11.2 17.1 29.2 18.9 23.6 100.0 241 31.7
ARMM 19.8 18.0 26.6 11.3 24.2 100.0 153 30.3
Caraga 28.0 20.0 29.6 7.3 15.1 100.0 234 24.5
Education
No education 17.6 11.6 38.1 15.8 16.9 100.0 117 29.5
Elementary 12.3 15.7 30.5 15.3 26.3 100.0 1,709 32.1
High school 17.9 18.3 26.2 15.0 22.6 100.0 2,060 28.6
College or higher 19.5 14.7 22.9 12.3 30.6 100.0 1,109 31.3
Wealth index quintile
Lowest 15.1 18.2 34.2 15.4 17.2 100.0 1,505 29.0
Second 16.3 16.8 28.5 14.2 24.3 100.0 1,180 29.4
Middle 18.5 17.7 21.9 13.5 28.4 100.0 942 31.1
Fourth 16.5 13.6 21.7 15.4 32.9 100.0 759 34.7
Highest 15.9 13.1 22.7 13.7 34.7 100.0 609 34.4
Total 16.3 16.5 27.2 14.5 25.5 100.0 4,995 30.5
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Note: First-order births are excluded. The interval for multiple births is the number of months
since the preceding pregnancy that ended in a live birth
Source: 2003 National Demographic and Health Survey
National Statistics Office & Department of Health
Page last updated: September 11, 2006
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