Table 2 Characteristics of adolescent students for 2007, 2012 and 2018 surveys in Argentina
Variable | 2007 (N=1,980) | 2012 (N=56,736) | 2018 (N=56,981) |
|---|---|---|---|
| Â | N (%) | N (%) | N (%) |
Sex | |||
 Male | 957 (48.0) | 26728 (48.3) | 27083 (48.0) |
 Female | 994 (52.0) | 29248 (51.7) | 29362 (52.0) |
 Missing | 29 | 760 | 536 |
Age in years | |||
 13 years or younger | 370 (18.7) | 11412 (26.0) | 10767 (21.0) |
  14 | 600 (27.0) | 16354 (29.5) | 12946 (25.0) |
  15 | 576 (29.6) | 15448 (25.4) | 12812 (22.0) |
  16 years or older | 400 (24.8) | 12812 (19.2) | 20348 (31.9) |
  Missing | 34 | 468 | 108 |
Grade | |||
  A | 732 (38.4) | 28576 (37.2) | 8581 (14.7) |
  B | 880 (32.0) | 19944 (33.5) | 11913 (26.9) |
  C | 337 (29.7) | 16574 (29.3) | 12448 (23.3) |
  D-E | 0 | 0 | 22978 (35.1) |
Missing |  31 | 1642 | 1061 |
Food insecurity (as proxy for socioeconomic status) | |||
  None | 1321 (67.1) | 35222 (64.4) | 38257 (68.4) |
  Moderate | 588 (29.8) | 18680 (31.7) | 17162 (29.6) |
  Severe | 58 (3.1) | 2140 (3.9) | 1063 (2.0) |
  Missing | 13 | 694 | 499 |