Table 4. Partial regression coefficients (95% confidence intervals) by multiple linear regression analysis against body mass index (BMI) change from 20 years of age.
| Independent variables | Model 1* | Model 2* | Model 3* | Model 4† | |||||
| Men (n=3737) | |||||||||
| Rate of eating categories | |||||||||
| Very slow | -0.44 | (-1.06, 0.18) | -0.66 | (-1.24, -0.09) | -0.67 | (-1.24, -0.09) | -0.63 | (-1.21, -0.06) | |
| Relatively slow | -0.13 | (-0.40, 0.15) | -0.34 | (-0.60, -0.08) | -0.34 | (-0.59, -0.08) | -0.34 | (-0.59, -0.09) | |
| Medium | 0.00 | (reference) | 0.00 | (reference) | 0.00 | (reference) | 0.00 | (reference) | |
| Relatively fast | 0.43 | (0.25, 0.62) | 0.59 | (0.42, 0.76) | 0.58 | (0.41, 0.75) | 0.57 | (0.40, 0.74) | |
| Very fast | 0.83 | (0.58, 1.08) | 1.11 | (0.88, 1.35) | 1.07 | (0.84, 1.31) | 1.05 | (0.82, 1.29) | |
| BMI at age 20 years (kg/m2) | – | -0.39 | (-0.42, -0.36) | -0.39 | (-0.43, -0.36) | -0.39 | (-0.42, -0.36) | ||
| Energy intake (1000 kcal/day) | – | – | 0.27 | (0.16, 0.38) | 0.29 | (0.18, 0.40) | |||
| Women (n=1005) | |||||||||
| Rate of eating categories | |||||||||
| Very slow | -0.23 | (-1.51, 1.04) | -0.62 | (-1.77, 0.53) | -0.65 | (-1.80, 0.49) | -0.71 | (-1.86, 0.44) | |
| Relatively slow | -0.32 | (-0.89, 0.25) | -0.36 | (-0.87, 0.15) | -0.31 | (-0.83, 0.20) | -0.32 | (-0.84, 0.19) | |
| Medium | 0.00 | (reference) | 0.00 | (reference) | 0.00 | (reference) | 0.00 | (reference) | |
| Relatively fast | 0.09 | (-0.30, 0.49) | 0.31 | (-0.05, 0.66) | 0.34 | (-0.16, 0.69) | 0.34 | (-0.15, 0.69) | |
| Very fast | 0.89 | (0.27, 1.52) | 1.18 | (0.62, 1.75) | 1.16 | (0.59, 1.72) | 1.14 | (0.58, 1.70) | |
| BMI at age 20 years (kg/m2) | – | -0.56 | (-0.63, -0.49) | -0.56 | (-0.63, -0.49) | -0.56 | (-0.63, -0.49) | ||
| Energy intake (1000 kcal/day) | – | – | 0.37 | (0.08, 0.65) | 0.38 | (0.10, 0.67) | |||
* : adjusted for age
† : adjusted for age, smoking status, physical activity, and alcohol drinking habit
– : not included