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Table 1 Demographic, biochemical and behavior characteristics of the participants

From: Age-stratified comparative analysis of the differences of gut microbiota associated with blood glucose level

  Two Categorical Three Categorical Overall
GLU normal (n = 78) GLU high (n = 55) NGR(n = 78) IFG(n = 22) DM(n = 33)
Numerical Variables
 Age (year)   69.08 ± 10.14 69.22 ± 10.04 69.08 ± 10.14 67.55 ± 10.80 70.33 ± 9.51 69.14 ± 10.06
 BMI (kg/m2)   25.5 ± 3.31 26.25 ± 3.02 25.5 ± 3.31 26.35 ± 3.04 26.18 ± 3.05 25.82 ± 3.2
 WHR   0.85 ± 0.07 0.88 ± 0.07 0.85 ± 0.07 0.87 ± 0.07 0.88 ± 0.07 0.87 ± 0.07
 GLU (mmol/L)   5.37 ± 0.42 7.76 ± 1.66 5.37 ± 0.42 6.47 ± 0.23 8.62 ± 1.65 6.36 ± 1.62
 CHO (mmol/L)   5.21 ± 1.05 5.17 ± 1.15 5.21 ± 1.05 5.04 ± 1.22 5.25 ± 1.10 5.19 ± 1.08
 HDLC (mmol/L)   1.48 ± 0.38 1.36 ± 0.27 1.48 ± 0.38 1.36 ± 0.23 1.36 ± 0.30 1.43 ± 0.34
 LDLC (mmol/L)   3.23 ± 0.78 3.31 ± 0.99 3.23 ± 0.78 3.17 ± 1.08 3.4 ± 0.94 3.26 ± 0.87
 TG (mmol/L)   1.91 ± 1.12 1.9 ± 1.38 1.91 ± 1.12 2.03 ± 1.70 1.82 ± 1.14 1.91 ± 1.23
 SBP (mmHg)   80.77 ± 10.95 78.16 ± 10.07 80.77 ± 10.95 79.23 ± 11.32 77.45 ± 9.26 79.69 ± 10.63
 DBP (mmHg)   140.24 ± 20.17 135.64 ± 17.22 140.24 ± 20.17 140.55 ± 20.63 132.36 ± 13.91 138.34 ± 19.08
Categorical Variables
 Gender(n = 133) male 27 28 27 10 18 55
female 51 27 51 12 15 78
 Edu3 (n = 123) lower than college 25 15 25 8 7 40
college or higher 46 37 46 13 24 83
 Exercise (n = 99) more than once a week 38 34 38 12 22 72
less than once a week 16 11 16 6 5 27
 Meat (n = 128) not prefer 37 21 37 10 11 58
normal or prefer 38 32 38 12 20 70
 Fruit (n = 127) not prefer 27 23 27 9 14 50
normal or prefer 47 30 47 13 17 77
 Vegetable (n = 126) not prefer 9 4 9 1 3 13
normal or prefer 64 49 64 21 28 113
 Alcohol (n = 127) more than 4 days a week 3 3 3 2 1 6
1–3 days a week 2 3 2 2 1 5
less than ones a week 69 47 69 18 29 116
 Smoke (n = 121) not exposed 49 29 49 13 16 78
exposed 4 or more days a week 13 20 13 8 12 33
exposed 1–3 days a week 6 4 6 1 3 10
 Sleeping (n = 124) less than 6 h a day 18 18 18 7 11 36
more than 6 h a day 55 33 55 13 20 88
 Sleepless (n = 115) more than 3 days a week 8 5 8 1 4 13
1–3 days a week 7 10 7 5 5 17
less than once a week 51 34 51 13 21 85
 Stress (n = 131) happy 44 33 44 13 20 77
normal 29 18 29 7 11 47
unhappy 3 4 3 2 2 7