Table 2. Comparisons of adjusted Movement ABC-2 scores among the three TEQ-PCDDs/Fs exposure groups.
| TEQ-PCDDs/Fs groups | Low | Moderate | High | Group cpmparison | ANOVA | Effect size | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gender | Scales | Mean | SE | Mean | SE | Mean | SE | High-Low | High-Mod | P-val | |
| Boys | Number of subjects | 39 | 38 | 24 | |||||||
| Total test score (TOTAL) | 9.7 | 0.4 | 9.8 | 0.4 | 7.7 | 0.5 | ** | ## | 0.018 | 0.107 | |
| Total manual dexterity (MD) | 10.1 | 0.5 | 10.8 | 0.5 | 9.5 | 0.6 | 0.262 | 0.033 | |||
| Posting coins (MD1) | 8.8 | 0.4 | 8.8 | 0.4 | 7.7 | 0.5 | 0.198 | 0.040 | |||
| Threading beads (MD2) | 9.8 | 0.5 | 11.7 | 0.5 | 10.0 | 0.6 | 0.031 | 0.074 | |||
| Drawing trail (MD3) | 10.2 | 0.4 | 10.2 | 0.4 | 10.1 | 0.5 | 0.981 | 0.003 | |||
| Total aiming & catching (A&C) | 9.9 | 0.4 | 9.4 | 0.4 | 9.7 | 0.5 | 0.712 | 0.012 | |||
| Catching beanbag (A&C1) | 9.8 | 0.3 | 9.6 | 0.3 | 9.9 | 0.4 | 0.819 | 0.006 | |||
| Throwing beanbag (A&C2) | 9.5 | 0.5 | 8.9 | 0.5 | 8.9 | 0.6 | 0.679 | 0.011 | |||
| Total balance (BAL) | 9.3 | 0.4 | 9.2 | 0.4 | 7.3 | 0.5 | ** | ## | 0.013 | 0.094 | |
| One-leg balance (BAL1) | 9.5 | 0.4 | 9.0 | 0.4 | 8.5 | 0.5 | 0.419 | 0.041 | |||
| Walking heels raised (BAL2) | 7.7 | 0.4 | 8.0 | 0.4 | 6.5 | 0.5 | # | 0.112 | 0.037 | ||
| Jumping on mats (BAL3) | 11.0 | 0.4 | 11.6 | 0.4 | 9.5 | 0.5 | * | ## | 0.010 | 0.085 | |
| Girls | Number of subjects | 26 | 23 | 26 | |||||||
| Total test score (TOTAL) | 10.1 | 0.5 | 9.9 | 0.5 | 9.9 | 0.5 | 0.959 | 0.002 | |||
| Total manual dexterity (MD) | 10.2 | 0.5 | 10.4 | 0.5 | 10.5 | 0.5 | 0.935 | 0.006 | |||
| Posting coins (MD1) | 8.0 | 0.6 | 8.8 | 0.6 | 8.5 | 0.6 | 0.646 | 0.022 | |||
| Threading beads (MD2) | 11.1 | 0.6 | 11.1 | 0.6 | 10.8 | 0.6 | 0.923 | 0.001 | |||
| Drawing trail (MD3) | 10.7 | 0.4 | 9.7 | 0.4 | 10.9 | 0.4 | 0.140 | 0.058 | |||
| Total aiming & catching (A&C) | 9.5 | 0.4 | 9.4 | 0.4 | 9.7 | 0.4 | 0.835 | 0.004 | |||
| Catching beanbag (A&C1) | 10.1 | 0.4 | 9.4 | 0.4 | 9.4 | 0.4 | 0.324 | 0.042 | |||
| Throwing beanbag (A&C2) | 8.2 | 0.6 | 8.8 | 0.6 | 9.5 | 0.6 | 0.330 | 0.025 | |||
| Total balance (BAL) | 10.7 | 0.7 | 10.7 | 0.7 | 10.0 | 0.7 | 0.738 | 0.020 | |||
| One-leg balance (BAL1) | 9.4 | 0.5 | 9.1 | 0.5 | 9.9 | 0.5 | 0.550 | 0.021 | |||
| Walking heels raised (BAL2) | 9.2 | 0.7 | 8.6 | 0.7 | 9.2 | 0.7 | 0.775 | 0.010 | |||
| Jumping on mats (BAL3) | 11.2 | 0.4 | 11.8 | 0.4 | 11.3 | 0.4 | 0.528 | 0.025 | |||
High TEQ-PCDDs/Fs group: TEQ-PCDDs/Fs ≥ 17.6pg-TEQ/g lipid, Moderate TEQ-PCDDs/Fs group: 11.5–17.6, Low TEQ-PCDDs/Fs group: <11.5
MD1-3: Subscales of MD, A&C1-2:Subscales of A&C, BAL1-3; Subscales of BAL
ANOVA P-value: compared by General Linear Model after adjustment for month-age, gestational age, birth weight of infant, family income, parents' education years.
*: P<0.05,
**: P<0.01 comparison between high and low TEQ-PCDDs/Fs groups,
#: P<0.05,
##: P<0.01 comparisons between high and moderate TEQ-PCDDs/Fs groups