Table 4.
Moderating effect of gender, South Korea (2018–2021) (N=3151)
| Time of first sexual behavior (OLS) | ||
|---|---|---|
| Model 1 | Model 2 | |
| Time of first smoking | 0.526 (0.026)*** | 0.591 (0.039)*** |
| Gender (Female as reference group) | 0.247(0.111)** | 1.07 (0.452)** |
| Gender × Time of first smoking | -0.100 (0.05)** | |
| Grade | 0.604 (0.063)*** | 0.602 (0.063)*** |
| Academic achievement | -0.287 (0.040)*** | -0.286 (0.039)*** |
| Educational stage | 0.073 (0.205) | 0.071 (0.205) |
| School type (Girls school as reference group) | ||
| Co-educational | -0.341 (0.122)*** | -0.284 (0.120)** |
| Boys school | -0.837 (0.172)*** | -0.785 (0.171)*** |
| City scale | 0.035 (0.176) | 0.022 (0.177) |
| Constant | 3.08 (0.472)*** | 2.51 (0.546)*** |
| Year FE | Yes | Yes |
| City FE | Yes | Yes |
| N | 3151 | 3151 |
| R2 | 0.347 | 0.349 |
| adj. R2 | 0.342 | 0.343 |
Standard errors in parentheses.
**
p<0.05,
***
p<0.01.