Maternal, paternal, and child characteristics by mobile and cordless phone use.
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aValues are percentages for the categorical variables and arithmetic means for the continuous variablesP-trend = P-value for trendOverall sleep scores are given in Table 3. On average, children went to bed at around 8pm and woke up shortly before 7am.Maternal, paternal, and child characteristics by mobile and cordless phone use.
创建时间：
2015-12-03
