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Table 2 Descriptive statistics for the age, contraception and outcome variables for those who experienced a recent crisis pregnancy at the time of the crisis pregnancy across three time periods

From: Factors associated with crisis pregnancies in Ireland: findings from three nationally representative sexual health surveys

  ICCP-2003 (n = 97) ISSHR (2006) (n = 150) ICCP-2010 (n = 89) Chi square
  n (unweighted %) (weighted %) n (unweighted %) (weighted %) n (unweighted %) (weighted %) χ2(df) (φ)
Age at CP     n/s
15-19 years 26 (26.8) (25.0) 27 (18.0) (22.1) 15 (16.9) (19.2)  
20-24 years 19 (19.6) (32.1) 57 (38.0) (33.2) 20 (22.5) (19.5)  
25-29 years 22 (22.7) (18.4) 25 (16.7) (13.0) 19 (21.3) (19.6)  
30-34 years 16 (16.5) (13.3) 18 (12.0) (12.3) 23 (25.8) (21.8)  
35 years and older 14 (14.4) (11.3) 23 (15.3) (19.4) 12 (13.5) (19.9)  
Contraception used at CP a     n/sb
No contraception 49 (50.5) (50.3) - 53 (59.6) (58.2)  
Low efficacy 28 (28.9) (26.0) - 23 (25.8) (24.1)  
Medium efficacy 16 (16.5) (19.5) - 11 (12.4) (14.9)  
High efficacy 2 (2.1) (0.9) - 1 (1.1) (2.0)  
Missing 2 (2.1) (3.2) - 1 (1.1) (0.8)  
Outcomes     n/s
Parenthood 69 (71.1) (64.3) 87 (58.0) (58.9) 62 (69.7) (73.9)  
Abortion 16 (16.5) (20.5) 29 (19.3) (19.0) 23 (25.8) (22.8)  
Missing 12 (12.4) (15.2) 34 (22.7) (22.1) 4 (4.5) (3.3)  
  1. Note. Chi square analysis conducted on unweighted data. n = sample size. χ2 = chi square statistic. df = degrees of freedom. Φ = Phi effect size. n/s denotes the difference was not significant, aThe ISSHR survey did not ask respondents about the contraception they used at the time of the crisis pregnancy, bThe high efficacy contraception variable was not included in this analysis as the expected count was less than 5 and therefore it violated one of the assumptions of the Chi2 test.