Skip to main content

Table 1 Demographic characteristics of the study participants by newly-diagnosed T2DM status

From: Association of dietary fiber intake with newly-diagnosed type 2 diabetes mellitus in middle-aged Chinese population

Variables Participants with T2DM(n = 182) Participants without T2DM (n = 3068) Significance*
Demographic
 Age (years) 47.2 ± 9.0 52.1 ± 8.7 P < 0.0001
 BMI(kg/m2) 25.1 ± 5.7 23.7 ± 4.1 P < 0.0001
 WC(cm) 89.5 ± 12.4 83.0 ± 11.0 P < 0.0001
 Cereal fiber(g) 6.8(3.7-10.2) 7.1(4.2-9.8) 0.58
 Fruit and vegetable fiber(g) 9.0(7.2-16.4) 10.6(8.5-19.7) < 0.05
 Total fiber(g) 15.2(11.0-20.5) 17.5(14.2-28.3) < 0.01
 HbA1c (%) 7.9 ± 1.2 5.4 ± 0.5 < 0.0001
 Total energy intake(kcal/d) 2092.5 ± 603.7 1758.0 ± 528.4 < 0.0001
Gender    χ2 = 3.785
 Men 101(55.4) 1475(48.1) P = 0.052
 Women 81(44.6) 1593(51.9)
Smoking status (%)    χ2 = 11.257
 Never 72(39.6) 1604(52.3) P < 0.01
 Former 74(40.6) 963(31.4)  
 current 36(19.8) 501(16.3)
Education (%)    χ2 = 8.388
  < High school 34(18.7) 745(24.3) P < 0.05
 High school 98(53.8) 1733(56.5)
  > High school 50(27.5) 590(19.2)  
Income per month    χ2 = 1.735
  ≤ 2000 (RMB) 76(41.7) 1144(37.3) P = 0.420
 2000-5000 (RMB) 86(47.3) 1519(49.5)
  > 5000 (RMB) 20(11.0) 405(13.2)  
Obesity (%)    χ2 = 7.464
 Yes 30(16.5) 310(10.1) P < 0.001
 No 152(83.5) 2758(89.9)  
Hypertension(%)    χ2 = 0.193
 Yes 37(20.3) 666(21.7) P = 0.661
 No 145(79.7) 2402(78.3)  
Physical activity(%)    χ2 = 4.534
P = 0.104
 Light 128(70.3) 2062(67.2)  
 Moderate 45(24.7) 709(23.1)  
 Heavy 9(5.0) 297(9.7)  
  1. Categorical variables are presented as sum and percentages, and continuous variables are presented as Mean ± SD and median (IQ range). Abbreviation: T2DM Type 2 diabetes mellitus, BMI Body mass index, WC Waist circumference, HbA1c Hemoglobin A1c, RMB Ren min bi. *P values for continuous variables (for the normal distributed variables, Independent-Samples t test was used to assess the significant differences; If not, the Mann-Whitney test was required) and for Categorical variables (chi-square test)