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Table 1 Search strategy and number of publications in each electronic database

From: A systematic review of the association between dietary patterns and health-related quality of life

Data base Search strategy Number of publications
PubMed (Diet[Title/Abstract]) OR "Diet"[Mesh]) OR dietary[Title/Abstract]) OR patterns[Title/Abstract]) OR factor analysis[Title/Abstract]) OR principal component analysis[Title/Abstract]) OR diet pattern[Title/Abstract]) OR diet patterns[Title/Abstract]) OR dietary patterns[Title/Abstract]) OR dietary pattern[Title/Abstract]) OR eating pattern[Title/Abstract]) OR eating patterns[Title/Abstract]) OR food pattern[Title/Abstract]) OR food patterns[Title/Abstract])) AND (Life Quality[Title/Abstract]) OR "Quality of Life"[Mesh]) OR Quality of Life[Title/Abstract]) OR Health-Related Quality of Life[Title/Abstract]) OR HRQOL[Title/Abstract]) OR QOL[Title/Abstract]) OR EQ-5D[Title/Abstract]) OR EuroQol 5 Dimensions[Title/Abstract]) OR SF 12[Title/Abstract]) OR SF-36[Title/Abstract]) OR life qualities[Title/Abstract]) OR questionnaire[Title/Abstract]) OR Short-form 36[Title/Abstract]) OR short form 12[Title/Abstract]) 390
Scopus ( ( TITLE-ABS-KEY ( " Diet ") OR TITLE-ABS-KEY ( "dietary patterns") OR TITLE-ABS-KEY ( " factor analysis ") OR TITLE-ABS-KEY (" principal component analysis") OR TITLE-ABS-KEY ( " diet patterns ") OR TITLE-ABS-KEY ( " diet pattern ") OR TITLE-ABS-KEY ( "dietary pattern") OR TITLE-ABS-KEY ( " eating patterns ") OR TITLE-ABS-KEY ( "eating pattern") OR TITLE-ABS-KEY ( "food pattern") OR TITLE-ABS-KEY ( " food patterns ") OR TITLE-ABS-KEY ( "food pattern") AND ( ( TITLE-ABS-KEY ( " Life Quality ") OR TITLE-ABS-KEY ( " Quality of Life ") OR TITLE-ABS-KEY ( " Health-Related Quality of Life ") OR TITLE-ABS-KEY ( " HRQOL ") OR TITLE-ABS-KEY ( " QOL ") OR TITLE-ABS-KEY ( " EQ-5D ") OR TITLE-ABS-KEY ( " EuroQol 5 Dimensions ") OR TITLE-ABS-KEY ( " SF 12") OR TITLE-ABS-KEY ( " SF 36") OR TITLE-ABS-KEY ( " life qualities ") 406
Web of science (("dietary patterns" OR "dietary patterns" OR "Diet" OR "diet pattern" OR "diet patterns" OR "eating patterns" OR "eating patterns" OR "food pattern" OR "food pattern" OR "principal component analysis" OR " factor analysis ") AND ( "Life Quality" OR " life qualities " OR "Quality of Life" OR “health related quality of life” OR “HRQOL” OR " QOL " OR " EQ-5D " OR " EuroQol 5 Dimensions " OR " SF 12" OR " SF 36")) 478