Characteristics	No. (%) of Articles (n=50)
	Total (%)	Abstract Contains No Spin	Abstract Contains Spin	P-value
Intervention Type				0.13a
Mixed	23 (46)	19 (38)	4 (8)
Non-pharmacologic	10 (20)	7 (14)	3 (6)
Pharmacologic	8 (16)	3 (6)	5 (10)
Surgery	6 (12)	3 (6)	3 (6)
Education	3 (6)	2 (4)	1 (2)
Study mentions adherence to PRISMA				0.15b
No	35 (70)	26 (52)	9 (18)
Yes	15 (30)	8 (16)	7 (14)
Publishing journal recommends adherence to PRISMA				0.85b
No	24 (48)	16 (32)	8 (16)
Yes	26 (52)	18 (36)	8 (16)
Funding Source				0.56a
Not Funded	12 (24)	6 (12)	6 (12)
Private	3 (6)	2 (4)	1 (2)
Combination of funding including industry	0 (0)	0 (0)	0 (0)
Combination of funding not including industry	1 (2)	1 (2)	0 (0)
Public	6 (12)	4 (8)	2 (4)
Not Mentioned	28 (56)	21 (42)	7 (14)
Industry	0 (0)	0 (0)	0 (0)
AMSTAR-2 Rating				1.0a
High	0 (0)	0 (0)	0 (0)
Moderate	3 (6)	2 (4)	1 (2)
Low	8 (16)	6 (12)	2 (4)
Critically Low	39 (78)	26 (52)	13 (26)