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Table 5 Adjusted a IRRs (95% CI) for XX, YY, XY, 1818, and total sex-chromosome disomy for pyrethroid metabolite levels above versus below the LOD

From: Environmental exposure to pyrethroids and sperm sex chromosome disomy: a cross-sectional study

  XX18 YY18 XY18 1818 Total Disomy
3PBA      
≤LOD (n = 33) 1.00 1.00 1.00 1.00 1.00
>LOD (n = 42) 1.00 (0.90, 1.10) 1.28 (1.15, 1.42) 0.82 (0.77, 0.87) 0.89 (0.65, 1.23) 0.93 (0.87, 0.97)
CDCCA      
≤LOD (n = 53) 1.00 1.00 1.00 1.00 1.00
>LOD (n = 22) 1.22 (1.09, 1.36) 1.18 (1.05, 1.31) 1.07 (1.00, 1.14) 0.89 (0.65, 1.21) 1.12 (1.06, 1.17)
TDCCA      
≤LOD (n = 56) 1.00 1.00 1.00 1.00 1.00
>LOD (n = 19) 1.30 (1.17, 1.46) 1.19 (1.06, 1.34) 1.01 (0.93, 1.08) 1.10 (0.84, 1.44) 1.09 (1.04, 1.15)
  1. IRRs = Incidence rate ratios.
  2. CI = Confidence interval.
  3. LOD = Limit of detection.
  4. 3PBA = 3-phenoxybenzoic acid; LOD = 0.10 μg/L.
  5. CDCCA = cis-dichlorovinyl-dimethylcyclopropane carboxylic acid; LOD = 0.23 μg/L.
  6. TDCCA = trans-dichlorovinyl-dimethylcyclopropane carboxylic acid; LOD = 0.35 μg/L.
  7. aAdjusted for specific gravity, age, smoking, motility, and log of sperm concentration.