April 2016
Intermediate to advanced
252 pages
8h 35m
English
Content preview from Environmental Health
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Flame-Retardants’ Effect on Hormone Levels and Semen Quality 55
FIGURE 4 Scatterplot of TPP in house dust and sperm concentration (n = 50, r = 0.33, p
= 0.02). The inverse association remained (r = −0.31, p = 0.03) when three men with sperm
concentration of < 20 million/mL were excluded from the analysis.
The inverse association between TPP and sperm concentration was not sensitive
to the adjustment for covariates (Table 3). When adjusting for age, BMI, and absti-
nence period, an IQR increase in TPP was associated with an 18.8% (95% CI, −30.1
to −4.5%) decline in sperm concentration. This inverse relationship remained when
excluding three men ...
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