Table 4.
Selected SPSS results of a 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)b | Sum of squares | Mean square | F-value (Pr > F) |
| Residential pyrethroids use | 1 | 9.6 | 9.6 | 19.6 (< 0.001) | 5.4 | 5.4 | 15.4 (< 0.001) |
| Diets | 1 | 2.0 | 2.0 | 4.0 (0.047) | 1.9 | 1.9 | 5.4 (0.021) |
| Error | 356 | 175.4 | 0.5 | 124.8 | 0.4 | ||
Abbreviations: df, degrees of freedom; Pr, probability.