Table 1. Demographic and lifestyle characteristics of college students according to county.
| Chile | Ethiopia | Peru | Thailand | ||
| N = 830 | N = 2230 | N = 2581 | N = 2840 | Effect Size** | |
| n (%) | n (%) | n (%) | n (%) | ||
| Age (years)* | 21.9±3.4 | 21.6±1.7 | 20.9±2.6 | 20.3±1.3 | |
| Age (years) | |||||
| 18–19 | 221 (26.6) | 123 (5.5) | 902 (35.1) | 811 (28.6) | 0.23 |
| 20 | 121 (14.6) | 454 (20.4) | 339 (13.2) | 820 (28.9) | |
| 21 | 99 (11.9) | 627 (28.1) | 410 (16.0) | 695 (24.5) | |
| 22 | 111 (13.4) | 418 (18.7) | 309 (12.0) | 371 (13.1) | |
| ≥23 | 278 (33.5) | 608 (27.3) | 608 (23.7) | 143 (5.0) | |
| Sex | |||||
| Male | 240 (28.9) | 1700 (77.3) | 1002 (38.8) | 925 (32.6) | 0.40 |
| Female | 590 (71.1) | 499 (22.7) | 1579 (61.2) | 1915 (67.4) | |
| Body Mass Index (kg/m2)* | 24.9±4.4 | 19.2±1.7 | 23.5±4.4 | 21.6±3.8 | |
| Body Mass Index (kg/m2) | |||||
| Underweight (<18.5) | 10 (1.2) | 857 (38.6) | 84 (4.3) | 474 (16.7) | 0.28 |
| Normal (18.5–24.9) | 444 (55.2) | 1337 (60.2) | 1299 (66.8) | 1974 (68.6) | |
| Overweight (25.0–29.9) | 227 (28.2) | 28 (1.3) | 481 (24.7) | 287 (10.1) | |
| Obese(≥30) | 124 (15.4) | 0 (0) | 82 (4.2) | 132 (4.6) | |
| Alcohol Consumption | |||||
| <1 drink/month | 489 (63.8) | 1900 (85.2) | 522 (20.2) | 2187 (77.0) | 0.12 |
| 1–19 drinks/month | 252 (32.9) | 303 (13.6) | 1013(39.3) | 607 (21.4) | |
| ≥20 drinks/month | 13 (1.7) | 27 (1.2) | 1046 (40.5) | 46 (1.6) | |
| Cigarette Smoking Status | |||||
| Never | 325 (39.1) | 2146 (96.3) | 1929 (74.7) | 2591 (91.2) | 0.30 |
| Former | 77 (9.3) | 15 (0.5) | 220 (8.5) | 53 (1.9) | |
| Current | 368 (44.2) | 72 (3.2) | 432 (16.8) | 196 (6.9) | |
| Consumption of Caffeinated Beverages | |||||
| No | 365 (45.1) | 436 (19.6) | 1545 (60.0) | 1202 (42.3) | 0.30 |
| Yes | 433 (54.9) | 1789 (80.4) | 935 (40.0) | 1638 (57.7) | |
*mean ± SD (standard deviation).
**Effect size: Cramer's V for chi-square test.
***Numbers may not add up due to missing data for selected variables.