Table 4.

Coefficients (and Standard Errors) for Links Between Family Socio-Economic Circumstances and Adolescents’ Sleep

	Night Sleep		Sleep Variation		Naptime
Effect	Coeff	(SE)	Coeff	(SE)	Coeff	(SE)
Intercept	8.84	(.06)**	2.79	(.07)**	2.39	(.16)**
Income	−.19	(.08)*	−.10	(.10)	.01	(.23)
Gender (0 = girl)	−.06	(.07)	−.05	(.09)	−.66	(.21)*
Sibling (0 = older)	−.31	(.03)**	.17	(.04)**	.47	(.10)**
Parental education	−.04	(.01)**	.01	(.02)	.04	(.04)
Neighborhood crime	−.24	(.13)+	−.15	(.15)	.75	(.37)*
Economic hardship	−.01	(.02)	.09	(.03)**	.03	(.07)

^†p < .10.

^*p < .05.

^**p < .01