Table 3.
AIC values and pseudo R2 in different models.
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| AIC | Pseudo-R2 | AIC | Pseudo-R2 | AIC | Pseudo-R2 | |
| Linear model | 3,086.72 | 0 | 2,265.18 | 0.28 | 2,257.62 | 0.30 |
| Non-linear model | 3,080.15 | 0 | 2,258.06 | 0.28 | 2,248.27 | 0.30 |
| Quartile model | 3,076.62 | 0 | 2,252.65 | 0.29 | 2,242.16 | 0.30 |
Model 1, unadjusted model; Model 2, adjusted for age, sex, race/ethnicity, cotinine exposure status, BMI and poverty-income ratio; Model 3, adjusted for model 2 plus body fat percentage and energy intake. AIC, Akaike's Information Criterion value.