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Table 1 Population characteristics: Study population compared to South African Census 2011

From: Assessing the geographical distribution of comorbidity among commercially insured individuals in South Africa

  Study Population 2016 2017 South Africa Census 2011
Unique Individuals 2,638,955 51,764,899
Wards 1427 4277
Districts 52 52
Provinces 9 9
Sex
 Female 1,459,269 (55.3%) 26,579,527 (51.3%)
Population Groups
 Black African 1,743,515 (66.1%) 40,996,454 (79.2%)
 Indian/Asian 102,229 (3.9%) 1,286,789 (2.5%)
 Coloured 203,298 (7.7%) 4,614,896 (8.9%)
 White 530,274 (20.1%) 4,586,336 (8.9%)
 Unknown 59,639 (2.3%) 280,423 (0.5%)
Age Bands
 00–04 251,838 (9.5%) 5,684,973 (11.0%)
 05–09 277,237 (10.5%) 4,819,353 (9.3%)
 10–14 257,808 (9.8%) 4,594,492 (8.9%)
 15–19 245,690 (9.3%) 5,003,087 (9.7%)
 20–24 94,063 (3.6%) 5,374,063 (10.4%)
 25–29 112,642 (4.3%) 5,058,738 (9.8%)
 30–34 180,821 (6.9%) 4,028,532 (7.8%)
 35–39 186,664 (7.1%) 3,467,343 (6.7%)
 40–44 205,362 (7.8%) 2,948,218 (5.7%)
 45–49 209,260 (7.9%) 2,619,908 (5.1%)
 50–54 192,386 (7.3%) 2,217,920 (4.3%)
 55–59 152,690 (5.8%) 1,797,131 (3.5%)
 60–64 99,006 (3.8%) 1,385,535 (2.7%)
 65–69 66,348 (2.5%) 957,668 (1.9%)
 70–74 46,011 (1.7%) 748,204 (1.4%)
 75–79 30,855 (1.2%) 481,216 (0.9%)
 80–84 17,575 (0.7%) 322,870 (0.6%)
 85+ 12,699 (0.5%) 255,648 (0.5%)
Province
 Eastern Cape 292,154 (11.1%) 6,560,024 (12.7%)
 Free State 221,538 (8.4%) 2,745,290 (5.3%)
 Gauteng 557,680 (21.1%) 12,271,736 (23.7%)
 KwaZulu-Natal 458,618 (17.4%) 10,266,802 (19.8%)
 Limpopo 260,984 (9.9%) 5,404,032 (10.4%)
 Mpumalanga 252,359 (9.6%) 4,039,488 (7.8%)
 North West 194,919 (7.4%) 3,509,672 (6.8%)
 Northern Cape 83,159 (3.2%) 1,145,529 (2.2%)
 Western Cape 317,544 (12.0%) 5,822,326 (11.2%)
Exposure
 Average membership months per year 11.8
Morbidity status
 ACG risk score / Comorbidity index (CMI) 0.998