TABLE 2.

Spearman’s rank correlation coefficients between childhood trauma, sleep duration, and Internet addiction.

	IAT	CTQ	EA	PA	SA	EN	PN
Male
Sleep duration	r = −0.120**	r = 0.054**	r = −0.177**	r = −0.180**	r = −0.182**	r = 0.214**	r = 0.290**
	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001
IAT	/	r = 0.199**	r = 0.356**	r = 0.270**	r = 0.249**	r = −0.049**	r = 0.132**
		p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001
Female
Sleep duration	r = −0.108**	r = 0.067**	r = −0.137**	r = −0.105**	r = −0.104**	r = 0.164**	r = 0.058**
	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001
IAT	/	r = 0.127**	r = 0.335**	r = 0.187**	r = 0.189**	r = −0.100**	r = 0.065**
		p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001

IAT, Internet addiction test; CTQ, childhood trauma questionnaire; EA, emotional abuse; PA, physical abuse; SA, sexual abuse; EN, emotional neglect; PN, physical neglect.

**Indicate significance at p < 0.01.