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Table 1 Logistic regressions. Responses to “Do you approve or disapprove of the use of IVF technology [abortion] to avoid characteristics of children such as: a certain sex”. Strongly disapprove (vs Disapprove, Neither, Approve, Strongly Approve), by survey year, and respondent sex, age, education and religious attendance

From: High and growing disapproval of sex-selection technology in Australia

Sample characteristics IVF Abortion
Odds ratio 95% CI p-value Pred. prob. n Odds ratio 95% CI p-value Pred. prob. n
SEX
 Ref: Male 1.00    0.378 1836 1.00    0.506 1845
 Female 1.39 (1.21–1.59) 0.000 0.457 1945 1.31 (1.14–1.49) 0.000 0.572 1959
AGE
 Ref: 17–34 years 1.00    0.470 666 1.00    0.686 672
 35–49 years 0.95 (0.77–1.16) 0.606 0.457 989 0.77 (0.63–0.94) 0.012 0.627 987
 50–64 years 0.95 (0.78–1.16) 0.611 0.457 1215 0.61 (0.50–0.75) 0.000 0.572 1223
 65+ years 0.57 (0.46–0.72) 0.000 0.337 878 0.39 (0.31–0.49) 0.000 0.462 886
EDUCATION
 Ref: Bachelor degree or above 1.00    0.536 1030 1.00    0.649 1038
 Other post-school qualification 0.73 (0.62–0.86) 0.000 0.457 1588 0.72 (0.62–0.85) 0.000 0.572 1590
 Year 12 or equivalent 0.71 (0.55–0.91) 0.007 0.450 377 0.64 (0.50–0.82) 0.000 0.543 380
 Year 10/11 or equivalent 0.59 (0.46–0.74) 0.000 0.403 500 0.50 (0.40–0.63) 0.000 0.479 505
 Below Year 10 0.56 (0.41–0.77) 0.000 0.393 261 0.41 (0.31–0.56) 0.000 0.433 264
RELIGIOUS ATTENDANCE
 Ref: Never 1.00    0.483 1465 1.00    0.601 1471
 Once a year or less frequently 0.90 (0.76–1.07) 0.234 0.457 1074 0.89 (0.75–1.05) 0.157 0.572 1074
 Several times a year 0.90 (0.72–1.11) 0.318 0.455 497 0.97 (0.79–1.20) 0.806 0.595 499
 Once a month or more 1.29 (1.06–1.57) 0.010 0.547 651 1.27 (1.05–1.54) 0.016 0.656 664
YEAR
 Ref: 2007 1.00    0.365 2596 1.00    0.472 2613
 2016 1.47 (1.26–1.70) 0.000 0.457 1216 1.50 (1.29–1.73) 0.000 0.572 1221
Total sample      3812      3834
  1. Source: Australian Survey of Social Attitudes, 2007 and 2016
  2. Ref: Reference category
  3. 95% CI: 95% confidence interval for odds ratios
  4. Pred. prob.: Predicted probability. Other characteristics set at Female, 50–64 years, Other post-school qualification, Once or year or less frequently, 2016
  5. Don’t know/No response cases for the dependent variable are excluded from analysis
  6. Don’t know/Other/No response cases for independent variables are included in the analysis but not shown
  7. p-values of less than 0.05 are considered significant