Table 2. The associations between sleep duration with the congruent and incongruent Stroop test accuracy.

	Accuracy of congruent Stroop test		Accuracy of incongruent Stroop test
	β (95% CI)	p-value	β (95% CI)	p-value
Sleep duration as continuous variable
Sleep (min/day)	0 [−0.001 to 0.001]	0.813	0.001 [0.000–0.002]	0.042
Sleep duration as category variable
Regular sleep duration	Reference		Reference
Light short sleep	0.001 [−0.008 to 0.011]	0.770	−0.005 [−0.017 to 0.008]	0.456
Mild short sleep	0.002 [−0.006 to 0.011]	0.587	−0.007 [−0.018 to 0.004]	0.218
Severe short sleep	0.002 [−0.007 to 0.010]	0.692	−0.012 [−0.023 to −0.002]	0.024