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Table 4 Distribution of different indices based on study design, country, and study theme

From: Use of indices to measure socio-economic status (SES) in South-Asian urban health studies: a scoping review

  Asset-based wealth index (using PCA & FA methods) Income and expenditure Indices based on occupation and education group Wealth index combining education Indices without any description
A. Study design (n = 265)
 Cross sectional study 125 (54%) 68 (29%) 20 (9%) 15 (6%) 5 (2%)
 Systematic review/review 8 (62%) 4 (31%) 0 0 1 (8%)
 Cohort study 6 (75%) 1 (13%) 0 1 (13%) 0
 Case control study 1 (17%) 4 (67%) 1 (17%) 0 0
 Mixed-method and qualitative study 2 (50%) 2 (50%) 0 0 0
 Randomized controlled trial (RCT) 0 1 (100%) 0 0 0
B. Geographic region (n = 265)
 India 77 (52%) 43 (29%) 15 (10%) 10 (7%) 2 (1%)
 Bangladesh 30 (68%) 13 (30%) 0 0 1 (2%)
 Pakistan 11 (39%) 10 (36%) 3 (11%) 3 (11%) 1 (4%)
 Multiple countries 15 (79%) 3 (10%) 0 0 1 (5%)
 Nepal 7 (50%) 4 (29%) 1 (7%) 1 (7%) 1 (7%)
 Sri Lanka 2 (17%) 7 (58%) 1 (8%) 2 (17%) 0
 Afghanistan 1 (100%) 0 0 0 0
C. Thematic area of different studies (n = 256)
 Maternal, neonatal and child health 67 (66%) 23 (23%) 3 (3%) 6 (6%) 2 (2%)
 Non-communicable disease (NCD) 37 (42%) 33 (37%) 11 (12%) 8 (9%) 0
 Adolescent and women health 20 (63%) 9 (28%) 1 (3%) 1 (3%) 1 (3%)
 Health systems 11 (46%) 6 (25%) 0 4 (17%) 3 (13%)
 TB and other communicable disease 7 (37%) 9 (47%) 1 (5%) 2 (11%) 0