| Overweight/obesity in seventh grade | κ | P value | |
---|---|---|---|---|
Yes | No | |||
Boys (n = 720) | ||||
 Overweight/obesity in fourth grade | ||||
  Yes | 69 (9.6) | 56 (7.8) | 0.614 | < 0.001 |
  No | 13 (1.8) | 582 (80.8) | ||
Girls (n = 716) | ||||
 Overweight/obesity in fourth grade | ||||
  Yes | 55 (7.7) | 32 (4.5) | 0.619 | < 0.001 |
  No | 24 (3.4) | 605 (84.5) |