Table 3. Univariable and multivariable logistic regression derived ORs and 95% confidence intervals (CI) for appropriate PRISMA citation in the identified SRs (n = 701).

Predictor variables		Univariable analysis			Multivariable analysis
Variable	Category	OR	95% CI	p-value	OR	95% CI	p-value
Medical Field	Public Health	Baseline (reference)
	Psychiatry/Neurology	1.07	0.57, 2.02	0.83	1.28	0.66, 2.45	0.47
	Oncology	1.54	0.87, 2.73	0.14	1.52	0.84, 2.73	0.17
	Other	2.23	1.25, 4.00	<0.01	2.57	1.41, 4.69	<0.01
	Obstetrics	2.87	1.36, 6.05	<0.01	3.40	1.58, 7.33	<0.01
	General Medicine	3.17	1.82, 5.50	<0.001	3.41	1.93, 6.04	<0.001
	General Surgery	4.02	1.78, 9.09	0.001	4.91	2.12, 11.37	<0.001
	Cardiovascular	5.22	2.76, 9.88	<0.001	5.11	2.63, 9.91	<0.001
	Orthopedics/Physiotherapy	3.75	1.65, 8.53	<0.01	5.40	2.30, 12.64	<0.001
	Dentistry	3.80	1.38, 10.42	0.01	5.68	2.01, 16.02	0.001
No authors	1–3	1.24	0.84, 1.83	0.27
	4–5	1.27	0.89, 1.81	0.19
	≥6	Baseline (reference)
Methodologist Involvement	No	Baseline (reference)
	Yes	1.72	1.23, 2.39	0.001	1.97	1.37, 2.83	<0.001
Cited article for PRISMA	BMJ	Baseline (reference)
	JCE	1.52	0.89, 2.60	0.13
	PLOS med	1.06	0.72, 1.56	0.75
	IJS	1.35	0.57, 3.15	0.50
	Ann Intern Med	1.12	0.71, 1.76	0.64
	Phys Ther	2.69	0.29, 24.54	0.38
	PLOS med (Liberati)	1.35	0.24, 7.53	0.74
Meta-analysis	No	Baseline (reference)
	Yes	1.95	1.42, 2.69	<0.001	1.73	1.22, 2.45	<0.01