Table 6.
Selected SPSS results of an expanded linear mixed-effects model for the DVWA of PBA and trans-DCCA concentrations (μg/L) in 23 children’s urine samples collected over a 15-day study period.
| PBA
|
trans-DCCA
|
||||||
|---|---|---|---|---|---|---|---|
| Source | df | Sum of squares | Mean square | F-value (Pr > F) | Sum of squares | Mean square | F-value (Pr > F) |
| Residential pyrethroids use | 1 | 4.6 | 4.6 | 10.5 (0.001) | 2.5 | 2.5 | 7.9 (0.005) |
| Diets | 1 | 1.8 | 1.8 | 4.2 (0.04) | 1.9 | 1.9 | 5.9 (0.016) |
| Age (years) | 1 | 18 | 18 | 40.9 (< 0.001) | 11.7 | 11.7 | 36.7 (< 0.001) |
| Error | 352 | 155.1 | 0.4 | 112.7 | 0.3 | ||
Abbreviations: df, degrees of freedom; Pr, probability.