Table 8.

Cronbach’s alpha for QOLIE-31-P at baseline (week 0) and end of core phase (week 18).

Domain	Cronbach’s alpha
	Baseline	End of core phase
Total core	0.90	0.92
Emotional well-being	0.84	0.86
Seizure worry	0.83	0.81
Energy/fatigue	0.82	0.82
Cognitive	0.78	0.85
Overall quality of life	0.72	0.90
Medication effects	0.71	0.72
Social function	0.61	0.70

Gray shaded cells indicate items in this domain that did not meet threshold of ≥0.70 Cronbach’s alpha coefficient.