Table 1 Study population characteristics for the whole study cohort and by multimorbidity measured using different data sources

Whole cohort

2,340,027

691,868 (29.6)

385,276 (16.5)

754,082 (32.2)

Age, years

 Mean (SD)

63.0 (17.7)

66.8 (16.7)

62.5 (17.5)

 0–4

83,487

201 (0.2)

191 (0.2)

350 (0.4)

 5–9

137,384

1113 (0.8)

740 (0.5)

1593 (1.2)

 10–14

137,510

2235 (1.6)

1157 (0.8)

2808 (2.0)

 15–19

125,153

4864 (3.9)

2006 (1.6)

5802 (4.6)

 20–29

272,938

25,999 (9.5)

9954 (3.6)

29,902 (10.9)

 30–39

292,464

41,954 (14.3)

16,176 (5.5)

47,662 (16.3)

 40–49

293,387

66,470 (22.7)

26,054 (8.9)

74,168 (25.3)

 50–59

339,737

116,750 (34.4)

52,378 (15.4)

128,917 (37.9)

 60–69

285,149

149,251 (52.3)

80,838 (28.3)

162,044 (56.8)

 70–79

235,988

166,920 (70.7)

107,090 (45.4)

178,513 (75.6)

 80–89

112,276

94,674 (84.3)

71,415 (63.6)

99,854 (88.9)

 90 + 

24,554

21,437 (87.3)

17,277 (70.4)

22,469 (91.5)

Sex

 Men and boys

1,167,242

315,460 (27.0)

182,598 (15.6)

345,322 (29.6)

 Women and girls

1,172,785

376,408 (32.1)

202,678 (17.3)

408,760 (34.8)

Deprivation

 1 (most)

252,310

75,612 (30.0)

43,263 (17.1)

81,862 (32.4)

 2

242,936

73,863 (30.4)

42,056 (17.3)

80,307 (33.0)

 3

231,456

72,979 (31.5)

41,172 (17.8)

78,783 (34.0)

 4

248,863

73,613 (29.6)

41,510 (16.7)

80,495 (32.3)

 5

233,634

67,087 (28.7)

37,949 (16.2)

73,637 (31.5)

 6

220,335

65,455 (29.7)

36,025 (16.3)

71,309 (32.4)

 7

223,109

64,937 (29.1)

36,382 (16.3)

71,419 (32.0)

 8

215,813

64,790 (30.0)

34,868 (16.1)

70,210 (32.5)

 9

232,343

66,741 (28.7)

36,195 (15.6)

72,910 (31.4)

 10 (least)

239,228

66,791 (27.9)

35,856 (15.0)

73,150 (30.6)