Patient engagement as a risk factor in personalized health care: a systematic review of the literature on chronic disease

Table 2 Summary of methodological quality rating

Study	Country	Design	Rationale described?	Power calculation presented?	Sample size calculations presented?	Selection criteria described?	Adequate concealment of randomization?	Assessor blinded?	Intention to treat analysis performed?	Quality score	Quality rating
Barlow et al.[31]	UK	Parallel	Yes	No	No	Yes	Yes	NR	Yes	2	Low
Glasgow et al.[32]	USA	3-arm	Yes	Yes	Yes	Yes	Yes	NR	Yes	2	Low
Goeppinger et al.[33]	USA	Parallel	Yes	Yes	Yes	Yes	Yes	NR	NA	3	High
Hibbard et al.[34]	USA	Parallel	No	No	No	Yes	NR	NR	No	1	Low
Huang et al.[35]	Taiwan	3-arm	Yes	Yes	Yes	Yes	Yes	Yes	No	4	High
Lavery et al.[36]	Ireland	Parallel	Yes	No	No	Yes	Yes	Yes	Yes	3	High
Lorig et al. (2010)[37]	USA	Parallel	No	No	No	Yes	NR	NR	Yes	2	Low
Lorig et al. (2009)[38]	USA	Parallel	Yes	No	No	Yes	NR	NR	Yes	2	Low
Moriyama et al.[39]	Japan	Parallel	Yes	No	No	Yes	NR	NR	No	3	High
Wolever et al.[40]	USA	Parallel	Yes	No	No	Yes	NR	Yes	No	2	Low

ISSN: 1756-994X