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Table 2 Trend analysis of repeated pregnancy and birth adolescents from 1993 to 2013 per age group

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

Year x Age Contrasts

Unadjusted Model

Adjusted Model b

OR

CI

p-value

AOR

CI

p-value

Repeated pregnancy

 Age (in 3 groups)

  15–18

0.93

0.81–1.07

0.330

0.96

0.82–1.11

0.566

  19-21a

0.85

0.80-0.90

< 0.001

0.86

0.81–0.92

< 0.001

  22–24 a

0.83

0.79–0.87

< 0.001

0.84

0.80–0.88

< 0.001

 Age (in 5 groups)

  15–16

1.24

0.79–1.96

0.351

1.35

0.82–2.23

0.234

  17–18

0.91

0.79–1.06

0.229

0.93

0.80–1.09

0.382

  19–20 a

0.82

0.76–0.89

< 0.001

0.82

0.76–0.90

< 0.001

  21–22 a

0.84

0.79–0.89

< 0.001

0.85

0.80–0.91

< 0.001

  23–24 a

0.84

0.80–0.89

< 0.001

0.85

0.80–0.90

< 0.001

Repeated birth

 Age (in 3 groups)

  15–18

0.87

0.72–1.06

0.181

0.90

0.73–1.10

0.311

  19–21 a

0.87

0.81–0.93

< 0.001

0.88

0.83–0.95

< 0.001

  22–24 a

0.84

0.80–0.88

< 0.001

0.85

0.82–0.89

< 0.001

 Age (in 5 groups)

  15–16

2.15

0.54–8.57

0.275

2.47

0.54–11.46

0.245

  17–18

0.87

0.72–1.07

0.186

0.90

0.73–1.11

0.316

  19-20a

0.83

0.76-0.89

< 0.001

0.85

0.77–0.93

0.001

  21–22 a

0.86

0.80–0.92

< 0.001

0.87

0.82–0.94

< 0.001

  23–24 a

0.85

0.80–0.90

< 0.001

0.86

0.81–0.91

< 0.001

  1. Abbreviations: OR-Odds ratio; CI-95% Confidence Interval
  2. aSignificant during Cochran test at 0.001 level; b Adjusted for region, type of residence and wealth quintile