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Table 1 Baseline characteristics of study participants stratified by quartiles of triglyceride glucose (TyG) index

From: Cumulative increased risk of incident type 2 diabetes mellitus with increasing triglyceride glucose index in normal-weight people: The Rural Chinese Cohort Study

Variables

TyG index quartiles

P trend

Quartile 1 (<8.16) n = 1423

Quartile 2 (8.16–8.47) n = 1422

Quartile 3 (8.48–8.81) n = 1429

Quartile 4 (≥8.82) n = 1424

Age (years)

44.00 (36.00–56.00)

51.00 (40.00–60.00)

52.00 (43.00–61.00)

54.00 (44.00–62.00)

<0.001

Men

618 (43.43)

679 (47.75)

638 (44.65)

571 (40.10)

0.03

High school or above

156 (10.96)

180 (12.66)

140 (9.80)

121 (8.50)

<0.01

Married/cohabiting

1274 (89.53)

1294 (91.06)

1306 (91.39)

1303 (91.50)

0.07

Smoking

436 (30.64)

495 (34.81)

456 (31.91)

411 (28.86)

0.14

Drinking

160 (11.24)

166 (11.67)

179 (12.53)

161 (11.31)

0.78

Physical activity

 Low

793 (55.73)

777 (54.64)

755 (52.83)

692 (48.60)

<0.001

 Middle

282 (19.82)

279 (19.62)

290 (20.29)

321 (22.54)

 High

348 (24.46)

366 (25.74)

384 (26.87)

411 (28.86)

Family history of diabetesa

60 (5.24)

62 (5.36)

56 (4.83)

70 (6.03)

0.54

BMI (kg/m2)

21.53 (20.39–22.60)

21.57 (20.32–22.73)

21.94 (20.69–23.01)

22.35 (21.20–23.24)

<0.001

WC (cm)

73.75 (70.25–78.00)

74.50 (70.75–78.75)

76.03 (71.93–80.50)

78.25 (74.10–82.15)

<0.001

WHtR

0.46 (0.44–0.49)

0.47 (0.44–0.49)

0.48 (0.45–0.51)

0.49 (0.47–0.52)

<0.001

FPG (mmol/l)

5.00 (4.71–5.31)

5.18 (4.86–5.48)

5.27 (4.98–5.62)

5.43 (5.14–5.81)

<0.001

SBP (mmHg)

113.67 (105.33–126.00)

118.00 (108.00–130.67)

119.00 (109.33–131.67)

123.00 (112.33–136.67)

<0.001

DBP (mmHg)

71.67 (66.33–78.33)

74.00 (68.00–81.00)

74.67 (69.00–81.67)

77.00 (70.00–84.00)

<0.001

TC (mmol/l)

3.79 (3.38–4.27)

4.10 (3.65–4.64)

4.37 (3.85–4.96)

4.72 (4.09–5.28)

<0.001

TG (mmol/l)

0.69 (0.59–0.78)

1.01 (0.92–1.10)

1.35 (1.23–1.48)

2.03 (1.78–2.56)

<0.001

HDL-C (mmol/l)

1.25 (1.10–1.44)

1.21 (1.04–1.39)

1.17 (1.02–1.36)

1.10 (0.95–1.25)

<0.001

LDL-C (mmol/l)

2.20 (1.90–2.60)

2.40 (2.00–2.90)

2.60 (2.10–3.10)

2.60 (2.10–3.10)

<0.001

TyG index

7.93 (7.77–8.06)

8.33 (8.25–8.41)

8.64 (8.57–8.73)

9.08 (8.94–9.31)

<0.001

  1. Significant P values (P < 0.05) are in italics
  2. Data are median (interquartile range) or no. (%)
  3. BMI body mass index, WC waist circumference, WHtR waist-to-height ratio, FPG fasting plasma glucose, SBP systolic blood pressure, DBP diastolic blood pressure, TC total cholesterol, TG triglyceride, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, TyG triglyceride glucose
  4. aPartial data deletion
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Cardiovascular Diabetology

ISSN: 1475-2840