Table 3.
Associations between self-perceived weight status at baseline and underweight 3 years later (Japan; 2002–2007) (n=1431)
| Total | Underweight | Crude | Adjusteda | |
|---|---|---|---|---|
| N | n (%) | OR (95 % CI) | OR (95 % CI) | |
| Self-perceived weight status | ||||
| Boys | ||||
| Thin | 207 | 17 (8.2) | 5.15 (2.18–12.12) | 5.51 (2.20–13.80) |
| Normal | 480 | 8 (1.7) | 1.00 | 1.00 |
| Heavy | 36 | 0 (0.0) | - | - |
| Girls | ||||
| Thin | 151 | 18 (11.9) | 3.47 (1.75–6.85) | 2.93 (1.40–6.11) |
| Normal | 498 | 18 (3.6) | 1.00 | 1.00 |
| Heavy | 59 | 0 (0.0) | - | - |
OR odds ratio, 95 % CI 95 % confidence interval
aAdjusted for age, exercise, eating speed, snacking after dinner, and hours of sleep at baseline