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Table 3 Distribution of HIV by standard of living index (SLI) quartiles in the population-based sample

From: A population-based study of human immunodeficiency virus in south India reveals major differences from sentinel surveillance-based estimates

  Men Women Men and women
SLI quartiles* (score range) Participants (n) HIV-positive, n (%) Participants (n) HIV-positive, n (%) Participants (n) HIV-positive, n (%)
Rural       
   I (up to 16) 1074 18 (1.68) 1140 31 (2.72) 2214 49 (2.21)
   II (17–22) 894 22 (2.46) 872 11 (1.26) 1766 33 (1.87)
   III (23–29) 745 9 (1.21) 733 5 (0.68) 1478 14 (0.95)
   IV (30 or more) 425 5 (1.18) 433 3 (0.69) 858 8 (0.93)
   Missing data 1 0    1 0
   Total 3139 54 (1.72) 3178 50 (1.57) 6317 104 (1.65)
Urban       
   I (up to 16) 490 29 (5.92) 565 20 (3.54) 1055 49 (4.64)
   II (17–22) 699 19 (2.72) 731 17 (2.33) 1430 36 (2.52)
   III (23–29) 784 10 (1.28) 789 12 (1.52) 1573 22 (1.40)
   IV (30 or more) 1123 18 (1.60) 1119 12 (1.07) 2242 30 (1.34)
   Total 3096 76 (2.45) 3204 61 (1.90) 6300 137 (2.17)
Rural and urban       
   I (up to 16) 1564 47 (3.01) 1705 51 (2.99) 3269 98 (3.00)
   II (17–22) 1593 41 (2.57) 1603 28 (1.75) 3196 69 (2.16)
   III (23–29) 1529 19 (1.24) 1522 17 (1.12) 3051 36 (1.18)
   IV (30 or more) 1548 23 (1.49) 1552 15 (0.97) 3100 38 (1.23)
   Missing data 1 0    1 0
   Total 6235 130 (2.09) 6382 111 (1.74) 12 617 241 (1.91)
  1. *SLI quartiles correspond to the division of score distribution for the total sample into approximately equal quarters. The sizes of quarters ranged between 3051 and 3269 as the scores were whole numbers and each quartile was defined based on the nearest corresponding score. Lower index score corresponds to lower standard of living.