Journal of Population Sciences
From: Adolescent sexual behaviour and academic performance of Italian students
 | 2000 | 2017 | ||||
---|---|---|---|---|---|---|
Variables | Full sample | Boys | Girls | Full sample | Boys | Girls |
 | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
Outcome variable | Â | Â | Â | Â | Â | Â |
High school final mark | 82.95 (12.21) | 79.65 (12.35) | 85.27 (11.56) | 81.42 (11.45) | 78.92 (11.23) | 84.16 (11.05) |
Explanatory variables | Â | Â | Â | Â | Â | Â |
Abstinence | 0.45 (0.49) | 0.41 (0.49) | 0.48 (0.49) | 0.29 (0.45) | 0.27 (0.44) | 0.30 (0.46) |
Early age at 1st sex | 0.06 (0.24) | 0.08 (0.28) | 0.05 (0.21) | 0.13 (0.34) | 0.13 (0.34) | 0.13 (0.34) |
Covariates | Â | Â | Â | Â | Â | Â |
Mark before secondary school | 8.24 (1.17) | 8.04 (1.18) | 8.39 (1.14) | 8.29 (1.10) | 8.13 (1.10) | 8.46 (1.07) |
He/she was doing volunteering | 0.10 (0.30) | 0.07 (0.27) | 0.11 (0.32) | 0.09 (0.28) | 0.07 (0.26) | 0.10 (0.30) |
He/she was doing sport | 0.68 (0.46) | 0.80 (0.39) | 0.59 (0.49) | 0.78 (0.42) | 0.84 (0.36) | 0.66 (0.47) |
Mother has at least | ||||||
high school degree | 0.46 (0.49) | 0.53 (0.49) | 0.41 (0.49) | 0.67 (0.46) | 0.70 (0.44) | 0.61 (0.48) |
Father has at least | ||||||
high school degree | 0.49 (0.49) | 0.56 (0.49) | 0.44 (0.49) | 0.62 (0.48) | 0.67 (0.49) | 0.57 (0.49) |
Father unemployed | 0.06 (0.25) | 0.06 (0.25) | 0.06 (0.25) | 0.05 (0.23) | 0.05 (0.23) | 0.05 (0.23) |
Mother unemployed | 0.45 (0.49) | 0.42 (0.49) | 0.47 (0.49) | 0.34 (0.47) | 0.32 (0.46) | 0.35 (0.47) |
Parents worked as | ||||||
a white collar | 0.56 (0.49) | 0.64 (0.47) | 0.56 (0.49) | 0.59 (0.49) | 0.62 (0.48) | 0.55 (0.49) |
Divorce | 0.03 (0.19) | 0.04 (0.20) | 0.03 (0.18) | 0.11 (0.32) | 0.12 (0.32) | 0.10 (0.31) |
Born in the South of Italy | 0.34 (0.47) | 0.31 (0.46) | 0.36 (0.48) | 0.44 (0.49) | 0.42 (0.49) | 0.46 (0.49) |
Living in a district | ||||||
(more 50000 habitans) | 0.36 (0.48) | 0.41 (0.49) | 0.32 (0.47) | 0.39 (0.48) | 0.43 (0.49) | 0.34 (0.47) |
Instrumental variables (IV) | Â | Â | Â | Â | Â | Â |
Had sex without emotional involvement | 0.28 (0.65) | 0.49 (0.50) | 0.12 (0.33) | 0.39 (0.48) | 0.52 (0.49) | 0.24 (0.43) |
Having cheated the partner | 0.18 (0.38) | 0.27 (0.44) | 0.11 (0.31) | 0.18 (0.38) | 0.24 (0.42) | 0.11 (0.32) |
Had sex without being in relationship | ||||||
and without using the condom | 0.21 (0.41) | 0.27 (0.44) | 0.17 (0.38) | 0.34 (0.47) | 0.38 (0.48) | 0.29 (0.45) |
Observations | 4,716 | 1,948 | 2,768 | 7,727 | 4,048 | 3,679 |