Table. 1.

Summary of excluded articles, with reasons

Article	Exclusion Criteria					Explanation
	Age	ADHD Diagnosis	Article Type	Study Type	Repeat Population
Ayaz, 2015 [18]				x		Point-in-time data
Barkley, 2001 [8]			x			Commentary
Cairney, 2014 [19]			x			Commentary
Chen, 2017 [20]					x	Same population as Chou, 2014
Duramaz, 2018 [21]		x				Tool used assessed impulsive behavior (not ADHD diagnosis)
Erdogan, 2014 [22]				x		All patients have fractures (case-control)
Guo, 2016 [23]					x	Same population as Chou, 2014
Guy, 2016 [24]				x		Assessed Medicaid patients only
Hellgren, 1993 [25]		x				Mixed patient population (cannot isolate ADHD)
Hurtig, 2016 [26]		x				Assessed hyperactivity and symptoms consistent with ADHD (not ADHD diagnosis)
Lu, 2017 [27]		x				ADHD diagnosed only as a comorbid condition with Tourette Syndrome
Merrill, 2009 [28]	x					Population 0–65 years
Ozer, 2010 [29]				x		All patients have fractures (case-control)
Pastor, 2006 [30]				x		Point-in-time data
Perry, 2016 [31]	x					Population 0–40 years
Prasad, 2018 [32]				x		Point-in-time data
Rowe, 2004 [33]				x		Point-in-time data
Schermann, 2019 [34]	x					Population of military recruits
Schermann, 2018 [35]	x					Population of military recruits
Siwani, 2014 [36]				x		All patients have fractures (case-control)
Tai, 2013 [37]		x			x	All hyperkinetic disorders are included; Same population as Chou, 2014
Uslu, 2008 [38]		x				Tool used assessed impulsive behavior (not ADHD diagnosis)
Uslu, 2007 [39]		x				Tool used assessed impulsive behavior (not ADHD diagnosis)
van den Ban, 2011 [40]			x			Conference abstract (full study included in meta-analysis)
Wassenberg, 2004 [41]				x		Does not indicate fractures in ADHD patients
Yang, 2016 [42]		x		x		Excluded children previously diagnosed with ADHD; Assessed ADHD risk in those with fractures