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Table 1 Baseline characteristics of the participants by tertiles of triglyceride glucose index

From: Association of the triglyceride glucose index with all-cause and cardiovascular mortality in a general population of Iranian adults

 

Overall

N = 4973

Triglyceride glucose index

P value†

Tertile 1 (TyG < 8.58)

N = 1810

Tertile 2 (8.585 ≤ TyG < 9.09)

N = 1811

Tertile 3 (9.09 ≤ TyG)

N = 1811

Males, n (%)

2648 (48.7)

864 (47.7)

885 (48.9)

899 (49.6)

0.514

Age, years (Mean ± SD)

50.69 (11.62)

49.38 (11.88)

50.96 (11.77)

51.75 (11.08)

 < 0.001

Education

    

0.923

  ≤ 5 years

3861 (71.2)

1290 (71.4)

1277 (70.6)

1294 (71.6)

 

 6–12 years

1230 (22.7)

411 (22.7)

419 (23.2)

400 (22.1)

 

  ≥ 13 years

333 (6.1)

106 (5.9)

113 (6.2)

114 (6.3)

 

Married, n (%)

4951 (91.1)

1665 (92.0)

1659 (91.6)

1627 (89.8)

0.052

Urban, n (%)

1501 (27.6)

565 (31.2)

503 (27.8)

433 (23.9)

 < 0.001

Physical activity (MET.min/wk) (Mean ± SD)

872.38 (548.62)

898.53 (548.11)

883.33 (557.70)

835.28 (538.19)

0.001

Global dietary index

1.02 (0.27)

1.06 (0.24)

1.02 (0.27)

0.98 (0.28)

 < 0.001

Smoking status, n (%)

    

0.628

 Current

292 (16.1)

267 (14.7)

287 (15.8)

846 (15.6)

 

 Former

353 (6.5)

120 (6.6)

110 (6.1)

123 (6.8)

 

 Never

4233 (77.9)

1398 (77.2)

1434 (79.2)

1401 (77.4)

 

Hypertension, n (%)

1510 (27.8)

344 (19.0)

514 (28.4)

652 (36.0)

 < 0.001

Diabetes, n (%)

459 (8.4)

16 (0.9)

46 (2.5)

397 (21.9)

 < 0.001

Dyslipidemia, n (%)

4735 (87.2)

1202 (66.4)

1729 (95.5)

1804 (99.6)

 < 0.001

BMI (kg/m2) (Mean ± SD)

26.77 (4.68)

25.07 (4.46)

26.90 (4.56)

28.35 (4.43)

 < 0.001

Waist to hip ratio

0.93 (0.08)

0.91 (0.09)

0.93 (0.08)

0.95 (0.08)

 < 0.001

Systolic blood pressure, mm Hg

121.64 (20.95)

117.04 (19.64)

121.28 (20.44)

126.59 (21.61)

 < 0.001

Diastolic blood pressure, mm Hg

78.40 (11.52)

75.86 (10.70)

78.61 (11.57)

80.72 (11.74)

 < 0.001

Fasting glucose, mg/dL

88.67 (32.84)

76.83 (10.77)

81.79 (14.08)

107.38 (32.84)

 < 0.001

Total cholesterol, mg/dL

214.12 (52.25)

187.86 (40.98)

212.57 (44.88)

241.91 (55.08)

 < 0.001

LDL cholesterol, mg/dL

128.96 (43.42)

119.05 (38.31)

131.41 (42.22)

136.42 (47.39)

 < 0.001

HDL cholesterol, mg/dL

46.91 (10.36)

47.99 (10.17)

46.59 (10.04)

46.16 (10.77)

 < 0.001

TG, mg/dL

191.28 (103.26)

104.37 (24.90)

172.80 (33.00)

296.62 (106.24)

 < 0.001

TG:HDL

4.31 (2.63)

2.29 (0.78)

3.88 (1.15)

6.77 (2.91)

 < 0.001

  1. Values are n (%) for categorical variables and mean (SD) for continuous variables
  2. BMI body mass index, LDL low-density lipoprotein, HDL high-density lipoprotein, TG Triglycerides
  3. †Derived from either an analysis of variance (ANOVA) or a Kruskal–Wallis test for continuous variables, and a chi-squared test for categorical variables