Table 2 Search query protocol and flow

#1

(“medication adherence” OR “patient compliance” OR “patient persistence”)

#2

(“factor*” OR “factors” OR “variabl*” OR “variables” OR “predictor*” OR “predictors” OR “determinant*” OR “database*” OR “dataset*” OR “method*”)

#3

(“chronic disease” OR “long term condition*”)

#4

#1 AND #2 AND #3

#5

(LIMIT-TO (DOCTYPE, “ar “) OR LIMIT-TO (DOCTYPE, “re “))

#6

(LIMIT-TO (PUBYEAR, 2019) OR (LIMIT-TO (PUBYEAR, 2018) OR LIMIT-TO (PUBYEAR, 2017) OR LIMIT-TO (PUBYEAR, 2016) OR LIMIT-TO (PUBYEAR, 2015) OR LIMIT-TO (PUBYEAR, 2014))

#7

LIMIT-TO (LANGUAGE, “English “)

#8

#5 AND #6 AND #7

#9

#4 AND #8