Table 2.
Demographics and educations of the respondents.
| N | Gender (%) | Age | Highest education (%) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| male/female/ other | Mean±s.d. | middle school | high school | BSc | MSc | PhD | other | ||
| AU | 387 | 26.4/73.6/0.0 | 33.0 ± 11.0 | 0.3 | 20.2 | 42.9 | 24.5 | 10.3 | 1.8 |
| BR | 932 | 39.6/60.3/0.1 | 30.6 ± 10.0 | 0.2 | 16.1 | 55.7 | 15.8 | 8.9 | 3.3 |
| CH | 1 731 | 60.4/39.5/0.0 | 28.2 ± 8.2 | 5.1 | 8.4 | 53.8 | 24.7 | 7.0 | 1.0 |
| GH | 437 | 70.3/29.7/0.0 | 27.8 ± 5.2 | 0.2 | 10.8 | 67.5 | 16.9 | 1.1 | 3.4 |
| IN | 1 334 | 64.9/34.9/0.2 | 29.8 ± 8.6 | 0.1 | 4.3 | 40.9 | 41.2 | 10.7 | 2.7 |
| IR | 778 | 42.5/57.5/0.0 | 28.2 ± 9.8 | 1.0 | 40.7 | 28.8 | 22.1 | 6.8 | 0.5 |
| IT | 604 | 29.5/70.4/0.2 | 29.5 ± 9.2 | 1.3 | 33.6 | 28.1 | 28.8 | 6.8 | 1.3 |
| NO | 681 | 47.6/52.3/0.1 | 37.1 ± 12.6 | 0.4 | 12.0 | 18.1 | 40.1 | 23.2 | 6.2 |
| ZA | 582 | 41.8/58.1/0.2 | 35.4 ± 14.1 | 0.0 | 27.8 | 31.8 | 23.4 | 13.9 | 3.1 |
| USA | 1 928 | 52.7/46.8/0.5 | 40.6 ± 13.1 | 0.1 | 9.8 | 42.1 | 31.8 | 14.2 | 2.1 |
| Total | 9 394 | 50.9/48.9/0.2 | 32.6 ± 11.6 | 1.2 | 15.2 | 42.3 | 28.3 | 10.6 | 2.3 |