Research Article

Association of the Ratio of Triglycerides to High-Density Lipoprotein Cholesterol Levels with the Risk of Type 2 Diabetes: A Retrospective Cohort Study in Beijing

Table 1

Baseline characteristics of the participants in the REACTION study according to serum TG/HDL-C.

VariableAll participantsTG/HDL-CP value
Q1 (1558)Q2 (1557)Q3 (1560)Q4 (1557)Q5 (1559)

Age (years)
Male2613 (33.54%)419 (26.89%)493 (31.66%)504 (32.31%)591 (37.96%)606 (38.87%)<0.01
TG/HDL-C
SBP (mmHg)
DBP (mmHg)
Heart rate
Height (kg)
Weight (cm)
BMI (kg/m2)
WC (cm)
HC (cm)
ALT (U/L)18.30 (14.20-24.70)15.90 (12.80, 20.70)17.10 (13.30, 22.60)18.50 (14.60, 24.40)19.50 (15.20, 27.10)21.00 (16.30, 28.70)<0.01
AST (U/L)19.60 (16.70-23.20)19.50 (16.90-22.40)19.30 (16.50-22.80)19.80 (16.90-23.40)19.70 (16.80-23.70)19.80 (16.80-23.60)0.051
Cr (mmol/L)
TC (mmol/L)
TG (mmol/L)
HDL-C (mmol/L)
LDL-C (mmol/L)
FPG
HbA1C (%)
Hypertension2167 (27.82%)307 (19.72%)401 (25.75%)432 (27.69%)494 (31.73%)533 (34.19%)<0.01
Tumor156 (2.00%)22 (1.41%)34 (2.18%)34 (2.18%)26 (1.67%)40 (2.57%)0.15
Stroke189 (2.43%)23 (1.48%)34 (2.18%)43 (2.76%)39 (2.50%)50 (3.21%)0.03
CHD474 (6.08%)82 (5.27%)91 (5.84%)94 (6.03%)97 (6.23%)110 (7.06%)0.33
Hyperlipidemia1067 (13.70%)107 (6.87%)152 (9.76%)204 (13.08%)234 (15.03%)370 (23.73%)<0.01
Marital status0.67
 Married7316 (93.92%)1445 (92.81%)1465 (94.09%)1469 (94.17%)1455 (93.45%)1482 (95.06%)
 Unmarried29 (0.37%)5 (0.32%)6 (0.39%)6 (0.38%)6 (0.39%)6 (0.38%)
 Widowed262 (3.36%)65 (4.17%)48 (3.08%)53 (3.40%)54 (3.47%)42 (2.69%)
 Divorced179 (2.30%)40 (2.57%)38 (2.44%)31 (1.99%)41 (2.63%)29 (1.86%)
 Else4 (0.05%)2 (0.13%)0 (0.00%)1 (0.06%)1 (0.06%)0 (0.00%)
Education level0.048
 Illiteracy77 (0.99%)17 (1.09%)17 (1.09%)12 (0.77%)16 (1.03%)15 (0.96%)
 Primary school370 (4.75%)68 (4.37%)94 (6.05%)79 (5.07%)72 (4.63%)57 (3.66%)
 Junior high school2547 (32.73%)456 (29.31%)496 (31.90%)535 (34.32%)525 (33.74%)535 (34.36%)
 High school or technical secondary school3460 (44.46%)729 (46.85%)687 (44.18%)682 (43.75%)689 (44.28%)673 (43.22%)
 College or above1329 (17.08%)286 (18.38%)261 (16.78%)251 (16.10%)254 (16.32%)277 (17.79%)
Smoking (%)<0.01
 Never6370 (81.88%)1358 (87.22%)1291 (83.18%)1293 (83.04%)1226 (78.79%)1202 (77.15%)
 Occasionally169 (2.17%)27 (1.73%)32 (2.06%)33 (2.12%)40 (2.57%)37 (2.37%)
 Frequently1241 (15.95%)172 (11.05%)229 (14.76%)231 (14.84%)290 (18.64%)319 (20.47%)
Alcohol intake0.78
 Never5515 (70.85%)1120 (71.89%)1095 (70.46%)1129 (72.37%)1083 (69.65%)1088 (69.88%)
 Occasionally1470 (18.88%)285 (18.29%)302 (19.43%)277 (17.76%)304 (19.55%)302 (19.40%)
 Frequently799 (10.26%)153 (9.82%)157 (10.10%)154 (9.87%)168 (10.80%)167 (10.73%)
Strenuous activity0.24
 Yes222 (2.86%)51 (3.28%)32 (2.07%)47 (3.02%)50 (3.22%)42 (2.70%)
 No7543 (97.14%)1502 (96.72%)1517 (97.93%)1510 (96.98%)1502 (96.78%)1512 (97.30%)
Walking<0.01
 Yes6742 (86.80%)1369 (88.15%)1376 (88.83%)1336 (85.81%)1349 (86.92%)1312 (84.32%)
 No1025 (13.20%)184 (11.85%)173 (11.17%)221 (14.19%)203 (13.08%)244 (15.68%)
Family history of T2DM1916 (24.61%)363 (23.30%)381 (24.49%)373 (23.96%)374 (24.04%)425 (27.28%)0.09
Family history of tumors1655 (21.26%)340 (21.82%)319 (20.50%)325 (20.87%)340 (21.85%)331 (21.25%)0.86

TG: triglyceride; HDL-C: high-density lipoprotein cholesterol; SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: body mass index; WC: waist circumference; HC: hip circumference; ALT: alanine aminotransferase; AST: aspartate aminotransferase; Cr: creatinine; TC: total cholesterol; TG: triglyceride; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; FPG: fasting plasma glucose; HbA1c: hemoglobin A1c; CHD: coronary heart disease.