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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