Table 3.

The most effective factors to influence the development of sleep problems in children determined by logistic regression analysis

	OR	95% CI	p
Difficulty in falling asleep
Maternal wi-fi usage during pregnancy (≥1 hour/day)	4.948	2.003–12.223	0.001
Wi-fi is open in the children’s sleeping room	5.704	1.162–27.998	0.032
Bedtime resistance
Presence of base station near the living area during pregnancy	1.902	1.044–3.465	0.036
Wi-fi is open in the children’s sleeping room	5.465	1.440–20.750	0.013
Night waking
Maternal mobile phone usage during pregnancy (≥30 minutes/day)	7.480	1.732–32.308	0.007
Maternal multiple mobile phone usage during pregnancy (≥2)	3.691	1.117–12.125	0.032
Wi-fi is open in the children’s sleeping room	2.633	1.117–6.207	0.027
Waking up crying
Maternal mobile phone usage during pregnancy (≥30 minutes/day)	9.888	1.868–52.346	0.007
Wi-fi is open in the children’s sleeping room	13.730	2.281–82.623	0.004

CI, confidence interval; OR, odds ratio