Table 4 Adjusted multivariate regression coefficient β (95% confidence intervals (CI)) between PCA components and the clinical examination score or MABC-II test in preschool children. Component 1 (Comp1) included all PFASs and PCB-180; component 2 (Comp2) included PCBs-153 and − 180. Statistically significant results (p < 0.05) are indicated in bold
| Â | Clinical Examination | MABC-II | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Total Score | Motor specific clinical score | Total Score | Fine Motor | Gross Motor | Â | |||||
|  | β | (95% CI) | β | (95% CI) | β | (95% CI) | β | (95% CI) | β | (95% CI) |  |
Comp 1 | -0.69 | (-9.40Â ; 8.02) | 1.02 | (-1.81Â ; 3.85) | -0.03 | (-0.61Â ; 0.56) | 0.33 | (-0.18Â ; 0.84) | -0.25 | (-1.01Â ; 0.51) | Â |
 Girls | 10.40 | (-1.48 ; 22.28) | 3.26 | (-0.78 ; 7.29) | 0.94 | (-0.01 ; 1.90) | 0.91 | (-0.08 ; 1.74) | 0.77 | (-0.47. 2.01) |  |
 Boys | -9.80 | (-22.48 ; 2.88) | -0.08 | (-4.10 ; 3.95) | -0.63 | (-1.40 ; 0.13) | 0.05 | (-0.61 ; 0.71) | -1.09 | (-2.15 ; -0.13) |  |
Comp 2 | -15.80 | (-26.51Â ; -5.09) | -0.72 | (-4.26Â ; 2.82) | -0.06 | (-0.80Â ; 0.69) | -0.32 | (-0.99Â ; 0.34) | -0.25 | (-1.21Â ;0.72) | Â |
 Girls | -10.76 | (-25.00 ; 3.48) | -1.24 | (-6.26 ; 3.78) | 0.04 | (-1.18 ; 1.25) | -0.19 | (1.38. 1.00) | -0.075 | (-1.74. 1.59) |  |
 Boys | -15.35 | (-34.17 ; 0.46) | -0.45 | (-5.67 ; 4.78) | 0.09 | (-1.13 ; 1.31) | -0.17 | (-1.20 ; 0.86) | -0.10 | (-1.66 ; 1.46) |  |