TABLE 3.

Quality of the Included Papers

Name of the First Author and Year of Publication	Measurement Error	Hypothesis Testing	Cross Cultural Validity	Responsiveness
RCTs
Bastiaenen et al, 200825	Good	Poor	n/r	Poor
Berg et al, 200926	Fair	Poor	n/r	Fair
Berg et al, 200927	Fair	Poor	n/r	Fair
Carr et al, 200528	Fair	Poor	n/r	Fair
Casserley-Feeney et al, 201229	Fair	Poor	n/r	Fair
Chown et al, 200830	Fair	Poor	n/r	Fair
Cox et al, 201031	Fair	Poor	n/r	Fair
Del Pozo-Cruz et al, 201132	Good	Good	n/r	Good
Djais et al, 200533	Fair	Poor	n/r	Fair
Gilbert et al, 200434	Good	Good	n/r	Good
Gilbert et al, 200435	Fair	Good	n/r	Fair
Hellum et al, 201136	Good	Excellent	n/r	Excellent
Hurley et al, 200137	Fair	Fair	n/r	Fair
Kendrick et al, 200138	Fair	Fair	n/r	Fair
Miller et al, 200239	Good	Good	n/r	Fair
Rivero-Arrias et al, 200640	Excellent	Fair	n/r	Poor
Wilkens et al, 201041	Good	Good	n/r	Good
Cross-sectional
Burstrom et al, 200142	Poor	Good	n/r	Poor
Eker et al, 200743	Good	Good	n/r	Poor
Klemenc-Ketis, 201144	Poor	Fair	n/r	Poor
Muraki et al, 201145	Poor	Fair	n/r	Poor
Muraki et al, 201246	Poor	Fair	n/r	Poor
Sogaard et al, 200947	Poor	Good	n/r	Poor
Observational longitudinal
Aghayev et al, 201048	Fair	Poor	n/r	Poor
Cheshire et al, 201149	Fair	Poor	n/r	Poor
Garratt et al, 200150	Fair	Good	n/r	Good
Genevay et al, 201251	Good	Good	Good	Good
Gutke et al, 201152	Good	Good	n/r	Good
Klemenc-Ketis, 201153	Poor	Fair	Fair	Poor
Kovacs et al, 200554	Good	Good	n/r	Good
Kovacs et al, 200455	Good	Good	n/r	Good
Parker et al56	Good	Good	n/r	Good
Schluesmann57	Fair	Fair	n/r	Fair
Suarez-Almazor et al, 200058	Fair	Fair	n/r	Fair
Cohort studies
Gutke et al, 200659	Poor	Good	n/r	Poor
Jannsonn et al, 200960	Fair	Good	n/r	Fair
Van der Roer et al, 200661	Fair	Fair	n/r	Good

n/r , not relevant.