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Table 1 Estimated prevalence and characteristics of an intended pregnancy among adolescent women based on a national survey of Canadian women (N = 290)

From: Prevalence and characteristics of intended adolescent pregnancy: an analysis of the Canadian maternity experiences survey

 

Sample Size

Intended Pregnancy

Unadjusted Odds Ratio

Adjusted Odds Ratio

 

Na

(%)

OR (95 % CI)b

OR (95 % CI)b

Socio-demographic Characteristics

Age (years)**

 Old Teen (18–19 years)

214

32.6

3.20 (1.52, 6.73)

2.62 (1.05, 6.57)

 Young Teen (15–17 years)

76

13.1

1

1

Aboriginal Status

 Aboriginal

48

24.9

0.88 (0.43, 1.79)

1.59 (0.60, 4.21)

 Non-Aboriginal

238

27.4

1

1

Urban-rural residence*

 Urban, population ≤499,999

135

18.0

0.38 (0.19, 0.79)

0.45 (0.19, 1.05)

 Urban, population ≥500,000

83

33.4

0.88 (0.41, 1.90)

1.48 (0.56, 3.92)

 Rural area

52

36.3

1

1

Immigration to Canada

 Yes

18

41.6

2.03 (0.47, 8.73)

0.49 (0.05, 5.12)

 No

268

26.0

1

1

Level of education

 No Education

46

26.1

0.95 (0.40, 2.27)

0.73 (0.25, 2.16)

 High School

238

27.1

1

1

Partner/Significant other**

 Yes

146

35.0

2.38 (1.33, 4.27)

2.37 (1.12, 4.99)

 No

139

18.5

1

1

Health-Related Characteristics

Previous depression diagnosis

 No

238

29.2

1.89 (0.74, 4.79)

1.07 (0.38, 3.04)

 Yes

50

17.9

1

1

Experienced violence within last 2 years**

 No

166

34.8

2.74 (1.47, 5.08)

3.08 (1.38, 6.86)

 Yes

117

16.3

1

1

Pregnancy-Related Characteristics

Cigarette smoking before pregnancy

 No

129

32.0

1.55 (0.88, 2.72)

1.05 (0.49, 2.22)

 Yes

159

23.3

1

1

Alcohol use before pregnancy**

 No

114

39.0

2.66 (1.50, 4.69)

3.17 (1.56, 6.45)

 Yes

173

19.4

1

1

Drug use before pregnancy

 No

216

26.1

0.80 (0.42, 1.53)

0.39 (0.16, 0.95)

 Yes

72

30.6

1

1

  1. *p-value < .05 between group analysis
  2. **p-value < .01 between group analysis
  3. aSample size is estimated using normalized weights
  4. bOR and 95 % CI were calculated using bootstrapping technique