Table 3.

Maternal Sleep Duration During Pregnancy by Children’s Total Sleep Duration and Sleep Disturbance

Maternal Sleep Duration During Pregnancy	Total		Childhood Sleep Duration (9.37±1.30)						Childhood Sleep Disturbance (52.49±7.88)
			≥10 h		<10 h		χ2/t	p value	CSHQ≤41		CSHQ>41		χ2/t	p value
	n	%	N=2150	34.50%	N=4086	65.50%			N=362	5.80%	N=5874	94.19%
First Trimester
Sleep duration
In continue (means, SD)	8.46	1.38	8.64	1.44	8.36	1.33	−7.51	<0.001	8.60	1.36	8.45	1.38	−1.99	0.046
In category							17.29	<0.001					5.42	0.020
>8h	3142	50.56%	1163	54.19%	1979	48.65%			204	56.51%	2938	50.20%
≤8h	3072	49.44%	983	45.81%	2089	51.35%			157	43.49%	2915	49.80%
Second Trimester
Sleep duration
In continue (means, SD)	8.41	1.40	8.62	1.45	8.29	1.35	−8.90	<0.001	8.59	1.43	8.39	1.39	−2.62	0.009
In category							28.73	<0.001					10.02	0.002
>8h	3041	48.84%	1150	53.51%	1891	46.37%			206	56.91%	2835	48.34%
≤8h	3186	51.16%	999	46.49%	2187	53.63%			156	43.09%	3030	51.66%
Third Trimester
Sleep duration
In continue (means, SD)	8.06	1.59	8.27	1.61	7.95	1.58	−7.46	<0.001	8.25	1.58	8.05	1.59	−2.27	0.023
In category							24.59	<0.001					7.58	0.006
>8h	2479	39.81%	947	44.05%	1532	37.58%			169	46.69%	2310	39.39%
≤8h	3748	60.19%	1203	55.95%	2545	62.42%			193	53.31%	3555	60.61%

Note: Bold values indicate statistical significance.

Abbreviations: CSHQ, children’s sleep habits questionnaire; SD, standard deviation.