Quantile-Specific Heritability may Account for Gene-Environment Interactions Involving Coffee Consumption.

Quantile-Specific Heritability may Account for Gene-Environment Interactions Involving Coffee Consumption.
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DOI:
10.1007/s10519-019-09989-0
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发表时间:
2020-03
期刊:
影响因子:
2.6
通讯作者:
Williams PT
Williams PT
中科院分区:
医学3区
文献类型:
--
作者:
Williams PT

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Estimated heritability of coffee intake ranges from 0.36 to 0.58, however, these point estimates assume that inherited effects are the same throughout the distribution of coffee intake, i.e., whether consumption is high or low relative to intake in the population. Quantile regression of 4788 child-parent pairs and 2380 siblings showed that offspring-parent and sibling concordance became progressively greater with increasing quantiles of coffee intake. Each cup/d increase in the parents’ coffee intake was associated with an offspring increase of 0.020±0.013 cup/d at the 10th percentile of the offsprings’ coffee intake (slope±SE, NS), 0.137±0.034 cup/d at their 25th percentile (P=5.2×10−5), 0.159±0.029 cup/d at the 50th percentile (P=5.8×10−8), 0.233±0.049 cup/d at the 75th percentile (P=1.8 ×10−6), and 0.284±0.054 cup/d at the 90th percentile (P=1.2×10−7). This quantile-specific heritability suggests that factors that distinguish heavier vs. lighter drinkers (smoking, male sex) will likely manifest differences in estimated heritability, as reported.
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