Table 5.
Linear regression association of FM and FFM measured by BIA and ADP in children aged 3–5 years.
| FMBIA | Sex | Age | BMI | R 2 | RMSE | |
|---|---|---|---|---|---|---|
| FMADP~FMBIA | ||||||
| 3-year-old | 0.547 | −0.242 | −0.019 | 0.193 | 0.475 | 1.109 |
| 4-year-old | 0.389 | −0.006 | 0.188 | 0.315 | 0.708 | 1.065 |
| 5-year-old | 0.660 | −0.211 | −1.403 | 0.173 | 0.855 | 1.097 |
| FFMADP~FFMBIA | ||||||
| 3-year-old | 0.605 | 0.580 | 0.873 | 0.194 | 0.612 | 1.059 |
| 4-year-old | 0.713 | 0.132 | 0.513 | 0.342 | 0.798 | 0.933 |
| 5-year-old | 0.890 | 0.216 | 2.010 | 0.267 | 0.850 | 1.115 |
Sex (one boy and two girls), age, and BMI were adjusted. BIA, bioelectrical impedance analysis; BMI, body mass index; FM, fat mass; FFM, fat-free mass. RMSE, root mean square error.