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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