Table 3. Correlations between sleep variables and psychological functioning in community adolescents at age 16 adjusted for age and sex.

	WE wake up time	WE delay wake up time
Delay discounting large	r = 0.02	r = 0.07
Delay discounting medium	r = 0.05	r = 0.12
Delay discounting geomean	r = 0.05	r = 0.14
SDQ externalising	r = 0.51***	r = 0.61***
SDQ internalising	r = -0.14	r = -0.42**
Spatial working memory errors	r = -0.20	r = 0.12

* = p<0.05,

** = p<0.01,

*** = p<0.001.

WE = weekend; SDQ = Strengths and Difficulties Questionnaire.