Table 1.
Sample characteristics by country.
| Age | Biological Sex | Dating Relationship | |||||
|---|---|---|---|---|---|---|---|
| Countries | Sample Size | Range | M(SD) | Girls | Boys | No | Yes |
| Belgium | 505 | 14–30 | 19.17 (3.42) | 344 | 161 | 93 | 412 |
| China | 361 | 17–30 | 21.27 (2.64) | 220 | 141 | 106 | 252 |
| Czech Republic | 733 | 13–30 | 19.51 (3.16) | 469 | 264 | 74 | 659 |
| Ireland | 271 | 13–17 | 15.05 (0.69) | 0 | 271 | 113 | 158 |
| Italy | 805 | 13–30 | 20.85 (4.25) | 474 | 330 | 82 | 722 |
| Malaysia | 305 | 14–30 | 22.09 (2.16) | 229 | 76 | 88 | 217 |
| Poland | 1075 | 13–30 | 20.8 (4.18) | 543 | 532 | 275 | 800 |
| Russia | 278 | 15–30 | 19.79 (3.31) | 208 | 70 | 51 | 227 |
| Turkey | 601 | 18–30 | 22.65 (2.95) | 419 | 176 | 65 | 535 |
| Uganda | 226 | 14–20 | 17.29 (1.31) | 137 | 86 | 60 | 130 |
| USA | 933 | 18–30 | 20.74 (2.36) | 639 | 294 | 62 | 871 |
Note. Few participants did not report their biological sex or dating relationship status.