Table 1. Inclusion and exclusion criteria.

Inclusion criteria	Excluded full texts (N = 69)
1 The full text is accessible	—a
2 The article is published in a peer-reviewed journal	7
3 The language of the publication is English or German	—
4 The publication date is between 2010 and 2015	—
5 The type of article is an original study or a study protocol	6
6 The SDM-Q-9 and/or SDM-Q-Doc is used in the study	52
7 The participants included in the study are adults	1
8 The SDM-Q-9 and/or SDM-Q-Doc was used as an outcome measure to evaluate an intervention	3
Exclusion criterion
1 The single aim of the study was to test psychometric properties of SDM-Q-9 and/or SDM-Q-Doc	—

^a— = no full text was excluded for this reason.