Table 3.

QUIPS ratings for all studies included in the systematic review

Article	Study Participation	Study Attrition	Prognostic Factor Measurement	Outcome Measurement	Study Covariates	Statistical Analysis and Reporting
Abner et al.49	low	moderate	low	low	moderate	low
Brodaty et al.47	low	low	low	low	moderate	low
Chary et al.30	low	moderate	moderate	low	low	low
Heser et al.29	low	high	moderate	low	low	low
Jessen et al.20	low	moderate	low	low	low	low
Jessen et al.45	low	moderate	moderate	low	moderate	low
Jorm et al.35	moderate	low	moderate	low	high	moderate
Jungwirth et al.52	low	low	moderate	low	moderate	low
Koppara et al.46	low	moderate	low	low	low	low
Ronnlund et al.36	low	moderate	low	low	low	low
Ronnlund et al.51	low	moderate	moderate	low	low	low
Sacuiu et al.48	low	moderate	low	low	low	low
Sargent-Cox et al.21	low	high	moderate	low	low	low
Slavin et al.31	low	high	low	low	low	low
Snitz et al.32	moderate	high	moderate	low	moderate	low
Sohrabi et al.33	low	high	low	low	low	low
Tomata et al.50	low	low	low	moderate	low	low
van Harten et al.34	low	high	low	low	low	low
Wolfsgruber et al.22	low	low	low	low	low	low