Table 2 Comparison of individuals with and without an ethnicity record in GDPPR or linked from HES-APC: general characteristics.

From: Ethnicity data resource in population-wide health records: completeness, coverage and granularity of diversity

Individuals with Characteristics

Ethnicity recorded in GDPPR* (N = 51,493,087)

Ethnicity linked from HES-APC* (N = 6,560,312)

Ethnicity not stated/recorded** (N = 3,757,171)

Total GDPPR (N = 61,810,570)

Age, years:

 Mean (SD)

42·6 (23·5)

39·1 (25·1)

38·1 (20·9)

41·9 (23·6)

 Median [Min, Max]

42·0 [0, 115]

36·0 [0, 113]

35·0 [0, 115]

41·0 [0, 115]

Age groups, years:

 0–17

9345962 (18·2%)

1539936 (23·5%)

634290 (16·9%)

11520188 (18·6%)

 18–29

7203161 (14·0%)

1137551 (17·3%)

866021 (23·0%)

9206733 (14·9%)

 30–39

7622783 (14·8%)

859347 (13·1%)

645268 (17·2%)

9127398 (14·8%)

 40–49

6809996 (13·2%)

707735 (10·8%)

496539 (13·2%)

8014270 (13·0%)

 50–59

6966406 (13·5%)

777275 (11·8%)

461384 (12·3%)

8205065 (13·3%)

 60–69

5706615 (11·1%)

601874 (9·2%)

330270 (8·8%)

6638759 (10·7%)

 70–79

4613388 (9·0%)

468309 (7·1%)

195175 (5·2%)

5276872 (8·5%)

 80–89

2462254 (4·8%)

328554 (5·0%)

94656 (2·5%)

2885464 (4·7%)

 90+

762522 (1·5%)

139731 (2·1%)

33568 (0·9%)

935821 (1·5%)

Sex:

 Female

26311290 (51·1%)

3015261 (46·0%)

1554863 (41·4%)

30881414 (50·0%)

 Male

25181797 (48·9%)

3545051 (54·0%)

2202308 (58·6%)

30929156 (50·0%)

BMI (kg/m2):

 Mean (SD)

27·3 (6·63)

27·3 (6·80)

26·4 (6·67)

27·2 (6·65)

 Median [Min, Max]

26·4 [10·0, 80·0]

26·5 [10·0, 80·0]

25·5 [10·0, 79·9]

26·4 [10·0, 80·0]

 Missing

26413905 (51·3%)

4731250 (72·1%)

2905792 (77·3%)

34050947 (55·1%)

IMD decile:

 1 (most deprived)

5030900 (9·8%)

611062 (9·3%)

290292 (7·7%)

5932254 (9·6%)

 2

5002481 (9·7%)

585319 (8·9%)

310009 (8·3%)

5897809 (9·5%)

 3

5026837 (9·8%)

586855 (8·9%)

327026 (8·7%)

5940718 (9·6%)

 4

4821880 (9·4%)

630567 (9·6%)

345865 (9·2%)

5798312 (9·4%)

 5

4670559 (9·1%)

623723 (9·5%)

331139 (8·8%)

5625421 (9·1%)

 6

4657873 (9·0%)

627814 (9·6%)

354218 (9·4%)

5639905 (9·1%)

 7

4489880 (8·7%)

620733 (9·5%)

340289 (9·1%)

5450902 (8·8%)

 8

4467923 (8·7%)

632435 (9·6%)

338721 (9·0%)

5439079 (8·8%)

 9

4365799 (8·5%)

634458 (9·7%)

338340 (9·0%)

5338597 (8·6%)

 10 (less deprived)

4292948 (8·3%)

640425 (9·8%)

362403 (9·6%)

5295776 (8·6%)

 Missing

4666007 (9·1%)

366921 (5·6%)

418869 (11·1%)

5451797 (8·8%)

Geographic regions***:

 East Midlands

3471792 (6·7%)

336184 (5·1%)

234275 (6·2%)

4042251 (6·5%)

 East of England

4462265 (8·7%)

480993 (7·3%)

373491 (9·9%)

5316749 (8·6%)

 London

8133607 (15·8%)

743482 (11·3%)

541694 (14·4%)

9418783 (15·2%)

 North East

1841607 (3·6%)

211971 (3·2%)

95445 (2·5%)

2149023 (3·5%)

 North West

5975649 (11·6%)

1024996 (15·6%)

336139 (8·9%)

7336784 (11·9%)

 South East

6678501 (13·0%)

1163911 (17·7%)

645049 (17·2%)

8487461 (13·7%)

 South West

3484388 (6·8%)

741784 (11·3%)

336138 (8·9%)

4562310 (7·4%)

 West Midlands

4994436 (9·7%)

643818 (9·8%)

235647 (6·3%)

5873901 (9·5%)

 Yorkshire and The Humber

4773116 (9·3%)

460537 (7·0%)

319327 (8·5%)

5552980 (9·0%)

 Missing

7677726 (14·9%)

752636 (11·5%)

639966 (17·0%)

9070328 (14·7%)

Death

995430 (1·9%)

238372 (3·6%)

39434 (1·0%)

1273236 (2·1%)

Smoke use record

20509149 (39·8%)

2305227 (35·1%)

1064288 (28·3%)

23878664 (38·6%)

Heavy alcohol use

796064 (1·5%)

82195 (1·3%)

29064 (0·8%)

907323 (1·5%)

  1. *Excluding individuals who refused to state their ethnicity (NHS ethnicity code was ‘Z’). **Group composed by individuals who refused to state their ethnicity (NHS ethnicity code was ‘Z’) and those whose ethnicity was not recorded. ***Geographic regions reported in the table belongs to the nine official regions of England. Abbreviations: IMD, index of multiple deprivation; NHS-APC, National Health Service for admitted patient care in the UK; SD, standard deviation.