Table 1 Baseline characteristics of study participants by all-cause and cause-specific mortality status in frailty index-based analyses

From: Frailty-related plasma metabolomic signatures predict long-term mortality risk and implicate systemic aging pathways: evidence from a prospective cohort study

Characteristics

Overall

(N = 266,699)

All-cause

Mortality

(N = 23,751)

Cancer-related mortality

(N = 12,092)

CVD-related mortality

(N = 8917)

Respiratory-related mortality

(N = 6123)

Digestive-related mortality

(N = 1957)

Median (IQR) age, years

58.0 [50.0, 63.0]

63.0 [59.0, 67.0]

63.0 [58.0, 66.0]

64.0 [60.0, 67.0]

64.0 [60.0, 67.0]

63.0 [58.0, 66.0]

Sex

 Male

122,908 (46.1)

14,145 (59.6)

6673 (55.2)

6006 (67.4)

3948 (64.5)

1242 (63.5)

 Female

143,791 (53.9)

9606 (40.4)

5419 (44.8)

2911 (32.6)

2175 (35.5)

715 (36.5)

Race

 White

253,776 (95.2)

22,989 (96.8)

11,769 (97.3)

8565 (96.1)

5922 (96.7)

1898 (97.0)

 Others

12,923 (4.8)

762 (3.2)

323 (2.7)

352 (3.9)

201 (3.3)

59 (3.0)

Education

 Lower qualification

181,896 (68.2)

18,376 (77.4)

9161 (75.8)

7120 (79.8)

5030 (82.1)

1566 (80.0)

 Higher qualification

84,803 (31.8)

5375 (22.6)

2931 (24.2)

1797 (20.2)

1,093 (17.9)

391 (20.0)

Median (IQR) TDI

−2.21 [−3.68, 0.44]

−1.70 [−3.40, 1.49]

−1.99 [−3.53, 1.00]

−1.29 [−3.20, 2.03]

−0.97 [−3.13, 2.48]

−0.94 [−3.05, 2.20]

Average household income (£)

 < 18,000

57,273 (21.5)

8884 (37.4)

4067 (33.6)

3720 (41.7)

2679 (43.8)

799 (40.8)

 18,000–30,999

65,236 (24.5)

6526 (27.5)

3366 (27.8)

2403 (26.9)

1689 (27.6)

535 (27.3)

 31,000–51,999

68,505 (25.7)

4551 (19.2)

2491 (20.6)

1538 (17.2)

979 (16.0)

358 (18.3)

 52,000–100,000

58,048 (21.8)

2989 (12.6)

1696 (14.0)

1009 (11.3)

719 (11.8)

221 (11.3)

 > 100,000

17,637 (6.6)

801 (3.4)

472 (3.9)

247 (2.8)

619 (10.1)

44 (2.2)

BMI, kg/m2

26.78 [24.17, 29.93]

27.61 [24.72, 31.16]

27.39 [24.64, 30.67]

28.44 [25.35, 32.24]

27.56 [24.46, 31.32]

28.39 [24.99, 32.51]

 Median (IQR)

 < 18.5

1393 (0.5)

220 (0.9)

77 (0.6)

67 (0.8)

104 (1.7)

28 (1.4)

 18.5–24.9

85,911 (32.2)

6180 (26.0)

3280 (27.1)

1910 (21.4)

1640 (26.8)

461 (23.6)

 25–29.9

113,814 (42.7)

9788 (41.2)

5177 (42.8)

3518 (39.5)

2389 (39.0)

696 (35.6)

 ≥ 30

65,581 (24.6)

7563 (31.8)

3558 (29.4)

3422 (38.4)

1990 (32.5)

772 (39.4)

Median (IQR) MET minutes per week for moderate activity, minutes

600.0 [160.0, 1440.0]

600.0 [120.0, 1680.0]

600.0 [160.0, 1680.0]

540.0 [120.0, 1600.0]

560.0 [120.0, 1680.0]

480.0 [80.0, 1440.0]

Regular physical activity

 Low

40,098 (15.0)

4402 (18.5)

2072 (17.1)

1804 (20.2)

1244 (20.3)

434 (22.2)

 Moderate

97,878 (36.7)

8746 (36.8)

4487 (37.1)

3297 (37.0)

2264 (37.0)

722 (36.9)

 High

128,723 (48.3)

10,603 (44.6)

5533 (45.8)

3816 (42.8)

2615 (42.7)

801 (40.9)

Smoking status

 Never

145,391 (54.5)

9189 (38.7)

4709 (38.9)

3210 (36.0)

1854 (30.3)

718 (36.7)

 Former

92,963 (34.9)

10,070 (42.4)

5154 (42.6)

3936 (44.1)

2725 (44.5)

791 (40.4)

 Current

28,345 (10.6)

4492 (18.9)

2229 (18.4)

1771 (19.9)

1544 (25.2)

448 (22.9)

Alcohol consumption

 Never or ≤ 3 times/month

81,332 (30.5)

8222 (34.6)

3949 (32.7)

3239 (36.3)

2278 (37.2)

718 (36.7)

 1 ~ 2 times/week

69,713 (26.1)

5531 (23.3)

2869 (23.7)

2047 (23.0)

1366 (22.3)

349 (17.8)

 3 ~ 4 times/week

61,916 (23.2)

4625 (19.5)

2456 (20.3)

1647 (18.5)

1076 (17.6)

325 (16.6)

 Daily or almost daily

53,738 (20.1)

5373 (22.6)

2818 (23.3)

1984 (22.2)

1403 (22.9)

565 (28.9)

Vegetable consumption (servings/day)

 < 2.0

17,390 (6.5)

2047 (8.6)

909 (7.5)

881 (9.9)

647 (10.6)

205 (10.5)

 ≥ 2.0–3.9

76,362 (28.6)

6761 (28.5)

3446 (28.5)

2501 (28.0)

1771 (28.9)

565 (28.9)

 ≥ 4.0–5.9

89,156 (33.4)

7722 (32.5)

4061 (33.6)

2806 (31.5)

1908 (31.2)

619 (31.6)

 ≥ 6.0

83,791 (31.4)

7221 (30.4)

3676 (30.4)

2729 (30.6)

1797 (29.3)

568 (29.0)

Fruit consumption (servings/day)

 < 2.0

88,484 (33.2)

8723 (36.7)

4405 (36.4)

3386 (38.0)

2458 (40.1)

806 (41.2)

 ≥ 2.0–2.9

67,298 (25.2)

5648 (23.8)

2950 (24.4)

2074 (23.3)

1430 (23.4)

458 (23.4)

 ≥ 3.0–3.9

51,504 (19.3)

4166 (17.5)

2160 (17.9)

1519 (17.0)

970 (15.8)

306 (15.6)

 ≥ 4.0

59,413 (22.3)

5214 (22.0)

2577 (21.3)

1938 (21.7)

1265 (20.7)

387 (19.8)

Median (IQR) SBP, mmHg

137.0 [125.0, 150.0]

142.0 [129.0, 155.0]

141.0 [129.0, 154.0]

143.0 [131.0, 157.0]

141.0 [129.0, 155.0]

143.0 [130.0, 156.0]

Median (IQR) DBP, mmHg

82.0 [75.0, 89.0]

82.0 [75.0, 89.0]

82.0 [76.0, 89.0]

83.0 [75.0, 90.0]

82.0 [75.0, 89.0]

83.0 [76.0, 90.0]

Drug use

 Cholesterol lowering medication

47,867 (17.9)

7999 (33.7)

3411 (28.2)

4073 (45.7)

2302 (37.6)

653 (33.4)

 Anti-hypertensive drug

56,477 (21.2)

9091 (38.3)

3931 (32.5)

4486 (50.3)

2575 (42.1)

832 (42.5)

 Insulin

3049 (1.1)

883 (3.7)

232 (1.9)

562 (6.3)

248 (4.1)

86 (4.4)

 Aspirin

39,381 (14.8)

6571 (27.7)

2750 (22.7)

3365 (37.7)

1965 (32.1)

539 (27.5)

 Non-aspirin NSAIDs

80,048 (30.0)

7150 (30.1)

3536 (29.2)

2687 (30.1)

2028 (33.1)

629 (32.1)

Minerals or vitamins supplements

 Calcium, zinc, iron, and selenium

33,343 (12.5)

3022 (12.7)

1482 (12.3)

1094 (12.3)

853 (13.9)

253 (12.9)

 Any type vitamin supplements

85,293 (32.0)

7647 (32.2)

3865 (32.0)

2763 (31.0)

1958 (32.0)

678 (34.6)

  1. Values are presented as median (interquartile range [IQR]) for continuous variables and number (percentage) for categorical variables.
  2. IQR interquartile range, BMI body mass index, TDI Townsend deprivation index, MET metabolic equivalent task, SBP systolic blood pressure, DBP diastolic blood pressure, NSAID nonsteroidal anti-inflammatory drug.