Table 1 Baseline characteristics of the different TyG index trajectory groups of the participants.

From: Association between triglyceride glucose index trajectory and risk of hypertension in rural residents: a prospective cohort study

Characteristics

Low stable

Moderate stable

High stable

P value

n

4239

4561

543

 

Age, years

47.08 ± 8.98

49.42 ± 9.39

49.89 ± 8.62

< 0.001

Male, n (%)

1578 (37.23)

1996 (43.76)

294 (54.14)

< 0.001

Ethnicity, n (%)

   

< 0.001

Han

107 (2.52)

351 (7.69)

94 (17.31)

 

Hui

512 (12.08)

711 (15.59)

78 (14.36)

 

Uyghur

3088 (72.85)

2991 (65.58)

329 (60.59)

 

Kazakh

514 (12.13)

455 (9.98)

33 (6.08)

 

Others

18 (0.42)

53 (1.16)

9 (1.66)

 

Education, n (%)

   

< 0.001

Primary school or below

3436 (81.06)

3529 (77.37)

377 (69.43)

 

Middle school

680 (16.04)

842 (18.46)

136 (25.05)

 

High school or further

123 (2.90)

190 (4.17)

30 (5.52)

 

Married, n (%)

3679 (86.79)

3995 (87.59)

484 (89.13)

0.224

Annual income, n (%)

   

< 0.001

Low

1963 (39.94)

1508 (33.06)

168 (30.94)

 

Moderate

2238 (52.79)

2619 (57.42)

311 (57.27)

 

High

308 (7.27)

434 (9.52)

64 (11.79)

 

Smoking, n (%)

530 (12.50)

762 (16.71)

145 (26.70)

< 0.001

Drinking, n (%)

83 (1.96)

104 (2.28)

28 (5.16)

< 0.001

Physical activity (MET-h/d)

28.00 (11.20, 38.91)

24.94 (8.40, 39.92)

23.06 (9.17, 41.03)

0.048

Diet score

   

0.064

0–3

3981 (93.91)

4322 (94.76)

521 (95.95)

 

4–5

258 (6.09)

239 (5.24)

22 (4.05)

 

BMI (kg/m2)

24.66 ± 3.80

26.31 ± 4.11

28.39 ± 3.88

< 0.001

FBG (mmol/L)

4.92 ± 0.81

5.45 ± 1.15

7.37 ± 3.19

< 0.001

TG (mmol/L)

0.83 ± 0.35

1.53 ± 0.70

2.76 ± 1.10

< 0.001

TC (mmol/L)

4.23 ± 0.94

4.60 ± 1.04

5.04 ± 1.11

< 0.001

HDL-C (mmol/L)

1.45 ± 0.48

1.39 ± 0.46

1.33 ± 0.47

< 0.001

LDL-C (mmol/L)

2.47 ± 0.82

2.84 ± 0.96

3.30 ± 0.93

< 0.001

eGFR (mL/min/1.73m2)

106.34 (91.84, 116.37)

103.05 (88.23, 112.73)

101.65 (92.16, 110.63)

< 0.001

SBP (mmHg)

115.33 ± 15.03

120.01 ± 15.66

126.19 ± 16.39

< 0.001

DBP (mmHg)

71.25 ± 9.44

74.06 ± 10.24

78.01 ± 10.67

< 0.001

Diabetes, n (%)

45 (1.06)

202 (4.43)

157 (28.91)

< 0.001

Family history of hypertension, n (%)

416 (9.81)

396 (8.68)

50 (9.21)

0.187

Take of hypoglycemic or lipid-lowering medications,

n (%)

4 (0.09)

28 (0.61)

46 (8.47)

< 0.001

  1. Data are summarized as the number (percentage), mean ± standard deviation, or median (interquartile range).
  2. BMI, body mass index; FBG, fasting blood glucose; TC, total cholesterol; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; eGFR, glomerular filtration rate; TyG, triglyceride glucose index; SBP, systolic blood pressure; DBP, diastolic blood pressure.
  3. FBG (n = 9334), TG (n = 9186), TC (n = 9285), HDL-C (n = 8617), LDL-C (n = 8613), eGFR (n = 9274), SBP (n = 9205), and DBP (n = 9204) have missing values.
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