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Table 1 Baseline characteristics of the study population

From: Supra-additive effect of chronic inflammation and atherogenic dyslipidemia on developing type 2 diabetes among young adults: a prospective cohort study

Characteristics

Total (n = 42,925)

 < 40 years (n = 6364)

40–49 years (n = 11,521)

50–59 years (n = 13,923)

60–69 years (n = 7658)

 ≥ 70 years (n = 3459)

P for trend

Cumulative characteristics

 CumCRP, mg/L

1.5 (0.8,3.0)

1.3 (0.7,2.4)

1.3 (0.7,2.5)

1.6 (0.9,3.1)

1.9 (1.0,3.7)

2.2 (1.1,4.3)

 < 0.01

 CumAIP

− 0.06 ± 0.27

− 0.06 ± 0.27

− 0.05 ± 0.29

− 0.05 ± 0.26

− 0.07 ± 0.24

− 0.10 ± 0.22

 < 0.01

 CumTG, mmol/L

1.3 (1.0,1.9)

1.4 (1.0,2.0)

1.4 (1.0,2.1)

1.4 (1.0,2.0)

1.2 (0.9,1.7)

1.1 (0.9,1.5)

 < 0.01

 CumHDL, mmol/L

1.5 (1.3,1.8)

1.5 (1.4,1.7)

1.6 (1.4,1.8)

1.6 (1.3,1.8)

1.5 (1.3,1.7)

1.4 (1.2,1.7)

 < 0.01

Baseline characteristics

 Age, years

52.1 ± 11.8

33.4 ± 3.8

45.1 ± 2.7

54.5 ± 2.7

63.5 ± 2.9

74.6 ± 4.1

 < 0.01

 AIP

− 0.06 ± 0.31

− 0.03 ± 0.32

− 0.05 ± 0.33

− 0.05 ± 0.31

− 0.09 ± 0.29

− 0.12 ± 0.27

 < 0.01

 Male, no. (%)

32,290 (75.2)

4694 (73.8)

8340 (72.4)

10,452 (75.1)

5972 (78.0)

2832 (81.9)

 < 0.01

 BMI, kg/m2

25.0 ± 3.3

24.7 ± 3.8

24.9 ± 3.2

25.0 ± 3.2

25.4 ± 3.3

24.7 ± 3.4

 < 0.01

 SBP, mmHg

129.4 ± 18.6

119.2 ± 13.7

124.5 ± 15.9

130.8 ± 17.8

137.4 ± 19.6

141.4 ± 20.6

 < 0.01

 DBP, mmHg

80.7 (79.3,90.0)

80.0 (71.5,85.0)

80.7 (78.7,90.0)

82.7 (80.0,90.0)

83.3 (80.0,90.7)

80.7 (80.0,90.0)

 < 0.01

 FBG, mmol/L

5.2 ± 0.6

5.1 ± 0.6

5.2 ± 0.6

5.3 ± 0.6

5.3 ± 0.6

5.3 ± 0.6

 < 0.01

 HDL-C, mmol/L

1.5 (1.3,1.8)

1.4 (1.2,1.8)

1.5 (1.2,1.8)

1.5 (1.2,1.8)

1.5 (1.3,1.9)

1.5 (1.3,1.9)

 < 0.01

 LDL-C, mmol/L

2.6 ± 0.8

2.5 ± 0.7

2.6 ± 0.7

2.6 ± 0.8

2.6 ± 0.9

2.6 ± 0.9

 < 0.01

 TC, mmol/L

5.0 ± 1.0

4.7 ± 0.9

4.9 ± 0.9

5.0 ± 1.0

5.1 ± 1.0

5.1 ± 1.0

 < 0.01

 TG, mmol/L

1.3 (0.9,1.8)

1.3 (0.9,1.9)

1.3 (0.9,2.0)

1.3 (0.9,1.9)

1.2 (0.9,1.7)

1.1 (0.8,1.6)

 < 0.01

 Creatine, umol/L

79.9 ± 21.1

78.4 ± 20.8

78.5 ± 20.3

79.5 ± 19.7

81.9 ± 19.3

84.9 ± 21.1

 < 0.01

 HsCRP, mg/L

1.0 (0.5,2.4)

0.8 (0.3,1.9)

0.9 (0.4,2.2)

1.0 (0.5,2.3)

1.2 (0.7,2.7)

1.4 (0.8,3.2)

 < 0.01

Alcohol consumption, no. (%)

 < 0.01

 No

27,879 (64.9)

3700 (58.1)

6653 (57.7)

9082 (64.8)

5736 (74.9)

2762(79.8)

 

 Yes

15,046 (35.1)

2664 (41.9)

4868 (42.3)

4895 (35.2)

1922 (25.1)

697 (20.2)

 

Smoking status, no. (%)

 < 0.01

 Never

26,418 (61.5)

3798 (59.7)

6522 (56.6)

8119 (58.3)

5329 (69.6)

2650 (76.6)

 

 Former

1943 (4.6)

233 (3.6)

466 (4.0)

650 (4.7)

409 (5.3)

185 (5.3)

 

 Current

14,564 (33.9)

2333 (36.7)

4533 (39.4)

5154 (37.0)

1920 (25.1)

624 (18.1)

 

Education, no. (%)

 < 0.01

 Less than high school

32,554 (75.8)

2881 (45.3)

8682 (75.4)

11,843(85.1)

6464 (84.4)

2684 (77.6)

 

 High school and above

10,371 (24.2)

3483 (54.7)

2839 (24.6)

2080 (14.9)

1194 (15.6)

775 (22.4)

 

Physical activity, no. (%)

 < 0.01

 Low

14,412 (33.5)

2370 (37.2)

4407 (38.3)

4774 (34.3)

1901 (24.8)

960 (27.8)

 

 Moderate

22,479 (52.4)

3508 (55.2)

6075 (52.7)

7204 (51.7)

4004 (52.3)

1688 (48.8)

 

 High

6034 (14.1)

486 (7.6)

1039 (9.0)

1945 (14.0)

1753 (22.9)

811 (23.4)

 

 Family history of diabetes

2290 (5.3)

561 (8.8)

837 (7.3)

703 (5.0)

162 (2.1)

27 (0.8)

 < 0.01

 Hypertension

20,630 (48.1)

1295 (20.3)

4559 (39.6)

7242 (52.0)

4985 (65.1)

2549 (73.7)

 < 0.01

 Dyslipidemia

11,691 (27.2)

1673 (26.3)

3196 (27.7)

3973 (28.5)

2021 (26.4)

828 (23.9)

 < 0.01

 Antihypertensives, no. (%)

2274 (5.3)

45 (0.7)

290 (2.5)

708 (5.1)

769 (10.0)

462 (13.4)

 < 0.01

 Statin, n (%)

251 (0.6)

16 (0.3)

47 (0.4)

81 (0.6)

70 (0.9)

37 (1.1)

 < 0.01

 Fibrate, n (%)

94 (0.2)

6 (0.1)

23 (0.2)

34 (0.2)

23 (0.3)

8 (0.2)

0.024

  1. CumAIP cumulative atherogenic index for plasma, CumCRP cumulative high-sensitivity C-reactive protein, CumHDL cumulative high-density lipoprotein cholesterol, CumTG cumulative triglyceride, DBP diastolic blood pressure, FBG fasting blood glucose, hsCRP high-sensitivity C-reactive protein, SBP systolic blood pressure. Continuous variables with a normal distribution are presented as the mean with SD, while skewed data are presented as the median with IQR; categorical data are presented as numbers and percentages (%)
  2. P for difference: all < 0.0001 except for Fibrate (P = 0.1128)