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Table 1 Sample description and new/first consultations for asthma episodes (incidence) by ethnicity and place of birth

From: Ethnic variations in incidence of asthma episodes in England & Wales:national study of 502,482 patients in primary care

Ethnicity Country of birth Total number of patients (%) Mean age, years (sd) Asthma
     Total consultations/1000 patient years New/first Consultations/1000 patient years
     Unadjusted Unadjusted Age-adjusted
     Mean Mean Mean 95%CI
Whites UK 393,300 (78.3) 36 (23) 35.7 27.1 26.5 26.2 to 26.8
  Non-UK 12,247 (2.4) 43 (21) 29.3 19.8 24.9 23.3 to 26.4
  Total 405,547 (80.7) 37 (23) 35.5 26.9 26.4 26.4 to 26.4
South Asians UK 2,187 (0.4) 12 (11) 54.5 46.3 34.7 26.0 to 43.5
  Non-UK 3,501 (0.7) 38 (16) 27.6 24.6 23.7 20.2 to 27.3
  Total 5,688 (1.1) 28 (19) 37.9 32.9 30.4 30.3 to 30.5
Afro-Caribbeans UK 1,428 (0.3) 19 (15) 61.2 52.3 39.2 31.5 to 46.8
  Non-UK 1,080 (0.2) 40 (16) 28.0 22.0 20.4 14.2 to 26.5
  Total 2,508 (0.5) 28 (19) 47.0 39.3 35.1 34.9 to 35.3
Others UK 932 (0.2) 13 (13) 73.0 38.2 30.9 18.6 to 43.1
  Non-UK 853 (0.2) 32 (16) 27.8 27.8 30.3 23.2 to 37.4
  Total 1,785 (0.4) 22 (18) 51.9 33.4 27.8 27.7 to 28.0
Missing 86,954 (17.3) 36 (21) 16.4 11.8 13.4 12.9 to 13.8
Total 502,482 (100) 36 (23) 35.7 23.7 24.8 24.3 to 25.2