A double-blind, placebo-controlled intervention trial of 3 and 10 mg sublingual melatonin for post-concussion syndrome in youths (PLAYGAME): study protocol for a randomized controlled trial

Table 1 Secondary outcome measures for the PLAYGAME trial Child Health Questionnaire (CHQ)

Secondary outcome measures
Child Health questionnaire (CHQ): Parent (CHQ-PF50) and Child (CHQ-CH87) [128–131]	Neurocognitive ability (using CNS-Vital Signs [132])
Behavior Assessment System-2 [133, 134]	Actigraphy: sleep duration, bed time, sleep time, wake time; longest and shortest sleep time [135–137]
The Behavior Rating Inventory of Executive Function [138]	Adverse outcomes and/or side effects

ISSN: 1745-6215