Journal of Population Sciences
Variables | Model 1 | Model 2 | Model 3 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | OR | SE | P > |z| | CI | OR | SE | P > |z| | CI | OR | SE | P > |z| | CI | |
Gender—reference: male | Female | 2.234 | 0.274 | 0.000 | (1.756; 2.842) | 2.684 | 0.377 | 0.000 | (2.037; 3.535) | 2.665 | 0.379 | 0.000 | (2.016; 3.521) |
Year of birth | 0.981 | 0.039 | 0.629 | (0.907; 1.061) | 0.980 | 0.039 | 0.605 | (0.906; 1.059) | 0.977 | 0.039 | 0.561 | (0.904; 1.056) | |
Place of birth—reference: Italy | Foreign country | 2.635 | 0.493 | 0.000 | (1.827; 3.801) | 2.546 | 0.478 | 0.000 | (1.762; 3.677) | 2.532 | 0.476 | 0.000 | (1.752; 3.659) |
Mother’s year of birth | 1.000 | 0.000 | 0.144 | (0.999; 1) | 1.000 | 0.000 | 0.160 | (0.999; 1) | 1.000 | 0.000 | 0.184 | (0.999; 1) | |
Father’s year of birth | 1.000 | 0.000 | 0.886 | (0.999; 1.000) | 1.000 | 0.000 | 0.913 | (1; 1) | 1.000 | 0.000 | 0.956 | (1; 1) | |
Father’s education—reference:none to junior high school | High school | 1.176 | 0.173 | 0.270 | (0.882; 1.568) | 1.177 | 0.173 | 0.266 | (0.883; 1.57) | 1.161 | 0.171 | 0.312 | (0.87; 1.549) |
University | 1.279 | 0.250 | 0.208 | (0.872; 1.875) | 1.295 | 0.253 | 0.185 | (0.884; 1.898) | 1.303 | 0.254 | 0.175 | (0.889; 1.91) | |
Mother’s education—reference: none to junior high school | High school | 0.668 | 0.097 | 0.006 | (0.502; 0.889) | 0.678 | 0.099 | 0.008 | (0.51; 0.903) | 0.673 | 0.098 | 0.007 | (0.505; 0.896) |
University | 0.697 | 0.133 | 0.058 | (0.48; 1.012) | 0.695 | 0.132 | 0.056 | (0.479; 1.01) | 0.667 | 0.128 | 0.035 | (0.458; 0.972) | |
Father’s job—reference: manager, professional, civil servant etc. | Craftsman | 2.163 | 0.506 | 0.001 | (1.368; 3.421) | 2.217 | 0.519 | 0.001 | (1.401; 3.508) | 2.247 | 0.527 | 0.001 | (1.418; 3.558) |
Clerk, teacher | 1.471 | 0.232 | 0.014 | (1.08; 2.004) | 1.464 | 0.231 | 0.016 | (1.075; 1.995) | 1.459 | 0.231 | 0.017 | (1.07; 1.99) | |
Blue collar | 1.355 | 0.262 | 0.116 | (0.928; 1.979) | 1.372 | 0.265 | 0.102 | (0.939; 2.005) | 1.370 | 0.266 | 0.105 | (0.937; 2.003) | |
Mother's job- Reference: Manager, professional, civil servant etc. | Craftswoman | 1.571 | 0.562 | 0.207 | (0.779; 3.166) | 1.565 | 0.559 | 0.210 | (0.777; 3.153) | 1.513 | 0.544 | 0.250 | (0.747; 3.063) |
Clerk, teacher | 0.971 | 0.181 | 0.877 | (0.674; 1.4) | 0.973 | 0.181 | 0.882 | (0.675; 1.401) | 0.970 | 0.181 | 0.869 | (0.672; 1.399) | |
Blue collar | 0.694 | 0.163 | 0.119 | (0.438; 1.099) | 0.695 | 0.163 | 0.121 | (0.439; 1.1) | 0.688 | 0.162 | 0.111 | (0.434; 1.09) | |
Sexual identity ref: heterosexual | Homosexual | 0.959 | 0.442 | 0.928 | (0.389; 2.368) | 0.760 | 0.357 | 0.559 | (0.303; 1.91) | 0.790 | 0.449 | 0.679 | (0.259; 2.409) |
Bisexual | 2.491 | 0.585 | 0.000 | (1.572; 3.948) | 2.502 | 0.584 | 0.000 | (1.583; 3.953) | 0.801 | 0.480 | 0.711 | (0.248; 2.592) | |
Does not declare | 2.724 | 1.126 | 0.015 | (1.211; 6.124) | 2.698 | 1.119 | 0.017 | (1.197; 6.081) | 3.375 | 1.990 | 0.039 | (1.063; 10.717) | |
Sexual experience with a person of the same sex reference: no | Yes | 2.480 | 0.360 | 0.000 | (1.867; 3.295) | 4.564 | 1.139 | 0.000 | (2.799; 7.443) | 5.402 | 1.419 | 0.000 | (3.229; 9.04) |
Age at first sexual experiences (not full sex) reference: not happened yet | 10–13 | 2.623 | 1.160 | 0.029 | (1.103; 6.241) | 2.709 | 1.199 | 0.024 | (1.138; 6.448) | 2.767 | 1.228 | 0.022 | (1.16;6.603) |
14–16 | 3.023 | 1.268 | 0.008 | (1.329; 6.877) | 3.016 | 1.266 | 0.009 | (1.324; 6.868) | 3.064 | 1.291 | 0.008 | (1.342;6.999) | |
17 and over | 1.987 | 0.855 | 0.111 | (0.855; 4.617) | 1.931 | 0.832 | 0.127 | (0.83; 4.495) | 2.008 | 0.868 | 0.107 | (0.861;4.683) | |
Does not declare | 1.210 | 0.653 | 0.724 | (0.42; 3.487) | 1.179 | 0.637 | 0.760 | (0.409; 3.399) | 1.182 | 0.639 | 0.757 | (0.41;3.409) | |
Age at first intercourse—reference: not happened yet | Before 15 years | 3.682 | 0.898 | 0.000 | (2.282; 5.94) | 3.718 | 0.909 | 0.000 | (2.303; 6.003) | 3.565 | 0.874 | 0.000 | (2.205;5.764) |
15-18 | 1.649 | 0.343 | 0.016 | (1.096; 2.479) | 1.676 | 0.350 | 0.013 | (1.113; 2.524) | 1.602 | 0.336 | 0.025 | (1.062;2.417) | |
19 years and over | 0.874 | 0.250 | 0.639 | (0.499; 1.531) | 0.862 | 0.247 | 0.603 | (0.491; 1.511) | 0.823 | 0.236 | 0.497 | (0.468;1.445) | |
Sexual experience with a person of the same sex#Gender (interaction) | Yes#Female | Â | 0.440 | 0.126 | 0.004 | (0.25; 0.772) | 0.343 | 0.108 | 0.001 | (0.185; 0.636) | |||
Sexual orientation#gender (interaction) | Homosexual#Female | Â | 0.623 | 0.669 | 0.659 | (0.076; 5.108) | |||||||
Bisexual#Female | 4.287 | 2.806 | 0.026 | (1.189; 15.461) | |||||||||
Does not declare#Female | 0.642 | 0.533 | 0.594 | (0.126; 3.268) | |||||||||
N | 7765 | 7765 | 7765 | ||||||||||
McFadden’s R squared | 0.1126 | 0.1153 | 0.1176 | ||||||||||
AIC | 2668.805 | 2664.829 | 2663.992 |