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Table 1 Baseline characteristics by coffee and tea intake

From: Association of tea and coffee consumption with the risk of all-cause and cause-specific mortality among individuals with metabolic syndrome: a prospective cohort study

 

Tea intake, cups/day, No. (%)

 

Coffee intake, cups/day, No. (%)

Characteristic

0

1

2

3

≥ 4

0

1

2

3

≥ 4

Total

23,859 (20.1)

9928 (8.4)

16,822 (14.2)

17,006 (14.3)

51,257 (43.1)

36,626 (30.8)

22,298 (18.8)

20,933 (17.6)

13,874 (11.7)

25,145 (21.2)

Age, median (IQR), year

58 (12)

58 (14)

59 (12)

60 (11)

60 (11)

58 (13)

60 (11)

60 (12)

60 (11)

60 (11)

Female, n (%)

12,411 (52.0)

4740 (47.7)

8250 (49.0)

8862 (52.1)

25,792 (50.3)

19,950 (54.5)

11,789 (52.9)

10,370 (49.5)

6691 (48.2)

11,255 (44.8)

White ethnicity, n (%)

22,804 (95.6)

8740 (88.0)

14,651 (86.9)

15,341 (90.2)

48,829 (95.3)

32,062 (87.5)

20,442 (91.7)

19,860 (94.9)

13,379 (96.4)

24,586 (97.8)

Education, n (%)

          

Higher

6141 (25.7)

3045 (30.7)

4612 (27.4)

4420 (26.0)

11,395 (22.2)

7945 (21.7)

5730 (25.7)

5687 (27.2)

3901 (28.1)

6350 (25.3)

Middle

8086 (33.8)

3319 (33.4)

5433 (32.3)

5338 (31.4)

15,481 (30.2)

11,243 (30.7)

6911 (31.0)

6843 (32.7)

4558 (32.9)

8084 (32.1)

Lower

3227 (13.5)

1217 (12.3)

2134 (12.7)

2120 (12.5)

7123 (13.9)

5045 (13.8)

2843 (12.8)

2521 (12.0)

1747 (12.6)

3665 (14.6)

Vocational

1388 (5.8)

497 (5.0)

938 (5.6)

992 (5.8)

3023 (5.9)

2023 (5.5)

1377 (6.2)

1200 (5.7)

829 (6.0)

1409 (5.6)

Other

5035 (21.1)

1850 (18.6)

3705 (22.0)

4136 (24.3)

14,235 (27.8)

10,370 (28.3)

5433 (24.4)

4682 (22.4)

2839 (20.5)

5637 (22.4)

Socioeconomic status, n (%)

          

Higher

4506 (18.9)

1988 (20.0)

3456 (20.5)

3590 (21.1)

10,248 (20.0)

6221 (17.0)

4659 (20.9)

4568 (21.8)

3137 (22.6)

5023 (20.7)

Intermediate

14,334 (60.1)

5946 (59.9)

9953 (59.2)

10,212 (60.0)

30,866 (60.2)

21,542 (58.8)

13,411 (60.2)

12,692 (60.6)

8450 (60.9)

15,216 (60.5)

Lower

5019 (21.0)

1994 (20.1)

3413 (20.3)

3024 (18.8)

10,143 (19.8)

8863 (24.2)

4224 (18.9)

3673 (17.5)

2287 (16.5)

4726 (18.8)

BMI, n (%)

          

< 25 kg/m2

1014 (4.2)

542 (5.5)

1000 (5.9)

1006 (5.9)

2812 (5.5)

2280 (6.2)

1376 (6.2)

1118 (5.3)

616 (4.4)

984 (3.9)

25-29.9 kg/m2

7715 (32.3)

3683 (37.1)

6328 (37.6)

6543 (38.5)

18,961 (37.0)

13,241 (36.2)

8520 (38.2)

7881 (37.6)

5084 (36.6)

8504 (33.8)

≥ 30 kg/m2

15,130 (63.4)

5703 (57.4)

9494 (56.4)

9457 (55.6)

29,484 (57.5)

21,105 (57.6)

12,398 (55.6)

11,934 (57.0)

8174 (58.9)

15,657 (62.3)

Smoking status, n (%)

          

Never

11,474 (48.1)

5035 (50.7)

8847 (52.6)

9127 (53.7)

24,999 (48.8)

20,069 (54.8)

11,738 (52.7)

10,443 (49.9)

6814 (49.1)

10,418(41.4)

Previous

9042 (37.9)

3764 (37.9)

6347 (37.7)

6377 (37.5)

20,030 (39.1)

12,842 (35.1)

8734 (39.2)

8401 (40.1)

5527 (39.8)

10,056 (40.0)

Current

3343 (14.0)

1129 (11.4)

1628 (9.7)

1502 (8.8)

6228 (12.2)

3715 (10.1)

1822 (8.2)

2089 (10.0)

1533 (11.0)

4671 (18.6)

Alcohol consumption, n (%)

          

Low

7090 (29.7)

2467 (24.8)

4383 (26.1)

4417 (26.0)

14,395 (28.1)

13,498 (36.9)

5691 (25.5)

4503 (21.5)

2946 (21.2)

6114 (24.3)

Moderate

8787 (36.8)

3665 (36.9)

6170 (36.7)

6665 (39.2)

21,017 (41.0)

13,497 (36.9)

8957 (40.2)

8400 (40.1)

5405 (39.0)

10,045 (39.0)

High

7982 (33.5)

3796 (38.2)

6269 (37.3)

5924 (34.8)

15,845 (30.9)

9631 (26.3)

7646 (34.3)

8030 (38.4)

5523 (39.8)

8986 (35.7)

Physical activity, n (%)

          

Low

7644 (32.0)

3042 (30.6)

4778 (28.4)

4645 (27.3)

14,151 (27.6)

10,665 (29.1)

5945 (26.7)

5717 (27.3)

4070 (29.3)

7863 (31.3)

Moderate

12,867 (53.9)

5434 (54.7)

9525 (56.6)

9888 (58.1)

28,938 (56.5)

20,384 (55.7)

12,838 (57.6)

11,950 (57.1)

7831 (56.4)

13,649 (54.3)

High

3348 (14.0)

1452 (14.6)

2519 (15.0)

2473 (14.5)

8168 (15.9)

5577 (15.2)

3511 (15.7)

3266 (15.6)

1973 (14.2)

3633 (14.4)

Healthy diet, n (%)

10,199 (42.7)

4648 (46.8)

7841 (46.6)

7998 (47.0)

22,798 (44.5)

16,074 (43.9)

10,810 (48.5)

9929 (47.4)

6225 (44.9)

10,446 (41.5)

Medication, n (%)

          

Cholesterol-lowering drug, n (%)

7527 (31.5)

3096 (31.2)

5237 (31.1)

5278 (31.0)

15,846 (30.9)

11,217 (30.6)

7098 (31.8)

6499 (31.0)

4365 (31.5)

7805 (31.0)

Antihypertensive drug, n (%)

8553 (35.8)

3672 (37.0)

6288 (37.4)

6495 (38.2)

19,281 (37.6)

14,087 (38.5)

8628 (38.7)

7779 (37.2)

5136 (37.0)

8659 (34.4)

Insulin, n (%)

856 (3.6)

287 (2.9)

524 (3.1)

504 (3.0)

1549 (3.0)

1108 (3.0)

636 (2.9)

609 (2.9)

456 (2.9)

911 (3.3)

Depression, n (%)

2562 (10.7)

864 (8.7)

1462 (8.7)

1543 (9.1)

5490 (10.7)

3951 (10.8)

2097 (9.4)

1881 (9.0)

1341 (9.7)

2651 (10.5)

  1. Percentages may not add up to 100% due to rounding. Binary variables display only one of the options
  2. Abbreviations: SD, standard deviation; IQR, interquartile range;
  3. All p-value < 0.05, except for diet in tea (p-value = 0.1) and coffee (p-value = 0.137), and depression in coffee (p-value = 0.107)