Characterization of Parental Knowledge on Early Child Sleep and Association with Child Sleep Quality: A Cross-Sectional Pilot Study in Chongqing, China.

The fitted model, for which a difficulty level of “none” was set as the reference group, was highly significant ( χ 2 =45.3, p <0.001), and the results showed that (1) compared with knowledge pattern I, all the other patterns predicted less difficulty sleeping, which was significant for the very difficult group ( p =0.017) and nonsignificant for somewhat difficult; (2) compared with a deficient level of slee

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