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. 2020 Oct 12;10(10):e038131. doi: 10.1136/bmjopen-2020-038131

Table 3.

HRs comparing patients with one or more chronic diseases by age 30, 40 or 50 years with age-matched and sex-matched individuals from the general population without chronic disease, by follow-up time and number of chronic diseases

Morbidity Aged 30 years Aged 40 years Aged 50 years
Deaths,
N
PYs HRs (95% CI) Deaths,
N
PYs HRs (95% CI) Deaths,
N
PYs HRs (95% CI)
Unadjusted Adjusted* Unadjusted Adjusted* Unadjusted Adjusted*
0–1 year One disease 128 12 383.0 17.3 (12.0 to 24.9) 17.0 (10.8 to 26.8) 334 21 325.6 11.8 (9.7 to 14.4) 10.7 (8.6 to 13.3) 931 31 524.8 11.3 (10.1 to 12.7) 10.1 (8.9 to 11.4)
Two diseases 51 1244.4 127.5 (31.0 to 523.7) Could not be est. 127 2220.4 37.2 (22.4 to 61.7) 44.1 (22.9 to 84.9) 361 4599.4 26.1 (20.2 to 33.8) 23.5 (17.6 to 31.3)
3+ diseases <5 <5 Could not be est. Could not be est. 33 305.0 41.3 (14.6 to 116.4) 92.2 (8.9 to 950.9) 122 927.2 87.1 (40.7 to 186.6) 83.1 (25.9 to 267.0)
>1–5 years One disease 342 48 421.8 6.3 (5.4 to 7.4) 5.6 (4.7 to 6.7) 1139 82 228.0 6.7 (6.2 to 7.4) 5.92 (5.4 to 6.5) 3063 117 949.6 4.9 (4.7 to 5.2) 4.3 (4.1 to 4.6)
Two diseases 86 4709.2 35.4 (19.3 to 64.7) 37.8 (16.9 to 84.4) 305 8015.4 15.6 (12.4 to 19.6) 14.4 (11.2 to 18.6) 905 15 799.0 10.9 (9.7 to 12.2) 9.1 (8.0 to 10.3)
3+ diseases 22 427.0 109.0 (14.7 to 808.9) Could not be est. 67 1012.6 41.4 (19.9 to 86.2) 35.3 (12.7 to 98.3) 278 2879.2 19.1 (14.7 to 24.7) 15.5 (11.3 to 21.2)
>5–10 years One disease 387 58 547.8 4.5 (3.9 to 5.1) 3.9 (3.3 to 4.5) 1240 96 611.8 4.0 (3.7 to 4.3) 3.4 (3.1 to 3.6) 3596 130 893.8 3.3 (3.1 to 3.4) 2.9 (2.7 to 3.0)
Two diseases 103 5392.4 12.3 (8.6 to 17.7) 12.6 (8.3 to 19.1) 292 8552.2 10.2 (8.3 to 12.5) 8.6 (6.9 to 10.6) 880 15 298.8 7.0 (6.3 to 7.8) 5.8 (5.2 to 6.5)
3+ diseases 19 427.0 23.5 (8.0 to 69.2) 56.1 (5.7 to 548.6) 71 927.2 21.7 (12.6 to 37.3) 13.7 (7.1 to 26.5) 233 2330.2 11.2 (8.9 to 14.2) 8.5 (6.4 to 11.2)
>10–20 years One disease 894 110 446.6 3.0 (2.8 to 3.3) 2.6 (2.3 to 2.8) 2906 172 727.6 2.8 (2.7 to 2.9) 2.4 (2.3 to 2.5) 7433 206 509.4 2.3 (2.2 to 2.4) 2.1 (2.0 to 2.1)
Two diseases 191 9272.0 6.6 (5.3 to 8.2) 6.2 (4.9 to 7.8) 444 13 322.4 5.4 (4.7 to 6.2) 4.5 (3.9 to 5.2) 1221 19 800.6 4.0 (3.7 to 4.3) 3.3 (3.0 to 3.6)
3+ diseases 33 585.6 17.3 (8.3 to 36.1) 14.5 (6.5 to 32.4) 68 1171.2 10.7 (7.0 to 16.4) 13.1 (6.6 to 25.7) 244 2159.4 8.0 (6.5 to 9.9) 6.5 (5.2 to 8.3)
>20–25 years One disease 645 51 069.2 2.8 (2.5 to 3.1) 2.5 (2.3 to 2.8) 1736 74 334.6 2.2 (2.1 to 2.4) 2.0 (1.9 to 2.1) 3700 75 054.4 1.8 (1.8 to 1.9) 1.7 (1.7 to 1.8)
Two diseases 89 3928.4 5.1 (3.8 to 6.9) 4.4 (3.2 to 6.1) 200 5063.0 4.3 (3.6 to 5.3) 3.9 (3.1 to 4.8) 417 5978.0 2.5 (2.2 to 2.9) 2.3 (2.0 to 2.6)
3+ diseases 5 195.2 3.8 (1.2 to 12.6) 4.7 (0.9 to 24.0) 26 341.6 16.1 (7.0 to 37.2) 9.3 (3.0 to 28.9) 43 475.8 3.0 (2.0 to 4.5) 2.0 (1.3 to 3.3)

*Adjusted for socioeconomic factors (income level, employment status and education level).

PY, person years.