Table 1 The baseline characteristics of participants.

From: Non-linear relationship between relative fat mass and diabetes risk in Japanese adults: a retrospective cohort study

Baseline characteristic

Non-DM

DM

P-value

Participants

15,089

373

 

Gender

  

< 0.001

Female

6947 (46.04%)

87 (23.32%)

 

Male

8142 (53.96%)

286 (76.68%)

 

Age(years)

43.62 ± 8.89

47.14 ± 8.52

< 0.001

Alcoholic intake (g/wk)

1 (0–60)

4.20 (0–90)

0.006

Smoking status

  

< 0.001

Never-smoker

8886 (58.89%)

145 (38.87%)

 

Ex-smoker

2874 (19.05%)

77 (20.64%)

 

Current-smoker

3329 (22.06%)

151 (40.48%)

 

Exercise habits

  

0.048

No

12,432 (82.39%)

322 (86.33%)

 

Yes

2657 (17.61%)

51 (13.67%)

 

SBP (mmHg)

114.31 ± 14.91

122.03 ± 15.59

< 0.001

DBP (mmHg)

71.44 ± 10.47

77.18 ± 10.23

< 0.001

BMI (kg/m2)

22.05 ± 3.07

25.03 ± 3.82

< 0.001

WC (cm)

76.26 ± 8.97

85.08 ± 10.20

< 0.001

RFM

25.75 ± 6.75

27.14 ± 6.82

< 0.001

ALT (IU/L)

17 (13–23)

24 (18–39)

< 0.001

AST (IU/L)

17 (14–21)

20 (16–26)

< 0.001

GGT (IU/L)

15 (11–22)

24 (17–36)

< 0.001

HDL-C (mmol/L)

1.47 ± 0.40

1.19 ± 0.33

< 0.001

TG (mmol/L)

0.72 (0.49–1.11)

1.21 (0.86–1.93)

< 0.001

TC (mmol/L)

5.12 ± 0.86

5.43 ± 0.90

< 0.001

HbA1c (%)

5.16 ± 0.32

5.53 ± 0.37

< 0.001

FPG (mmol/L)

5.15 ± 0.41

5.61 ± 0.36

< 0.001

  1. Values are n (%) or mean ± SD or median (quartile)
  2. RFM: relative fat mass; BMI: body mass index; WC: waist circumference; SBP: systolic blood pressure; DBP: diastolic blood pressure; ALT: alanine aminotransferase; AST: aspartate aminotransferase; GGT: gamma-glutamyl transferase; HDL-C: high-density lipoprotein cholesterol; TC: total cholesterol; TG: triglycerides; HbA1c: hemoglobin A1c; FPG: fasting plasma glucose