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Table 1 Categories populated by terms included in detailed search strategies

From: Development and validation of a search filter to identify equity-focused studies: reducing the number needed to screen

PROGRESS heading No. reviews published in 2017 contributing terms Further terms needed? No. reviews published in 2016 contributing terms Cum. no. reviews contributing terms Further terms needed? Reviews included after targeted searches (2012-2015) Cum. no. reviews contributing terms Reviews contributing terms
‘Place’
Place of residence
5 No - 5 No - 5 [10,11,12,13,14]
‘Race’
Race / ethnicity / culture / language
3 Yes → 6 9 No - 9 [11, 15,16,17,18,19,20,21,22]
Occupation 6 No - 6 No - 6 [11], [13], [16], [23], [24], [25]
‘Gender’
Gender / sex
1 Yes → 6 7 No - 7 [16], [17], [18], [19], [26], [27], [28]
Religion 0 Yes → 1 1 Yes → 2 3 [17, 29, 30]
Education 7 No - 7 No - 7 [11, 13, 16, 24, 25, 31, 32]
‘SES’
Socio-economic status
12 No - 12 No - 12 [11], [13], [15], [23], [24], [25], [31], [32], [33], [34], [35], [36]
Social capital 0 Yes → 1 1 Yes → 4 5 [17, 37,38,39,40]
Other category not encompassed by PROGRESS-Plus 6 No - 6 No - 6 [11, 15, 16, 35, 36, 41]