Relationship between Body Roundness Index and Risk of Type 2 Diabetes in Japanese Men and Women: A Reanalysis of a Cohort Study
Table 1
Baseline characteristics of participants in men and women by categories of BRI in the NAGALA study.
BRI quartiles
value
Quartile 1
Quartile 2
Quartile 3
Quartile 4
Men
0.87–2.30
2.30–2.81
2.81–3.37
3.37–9.21
Participants (n)
2108
2107
2107
2108
Age (years)
41.4 ± 8.6
43.3 ± 8.6
45.3 ± 8.80
46.3 ± 9.2
<0.001
Current smokers
789 (37.46%)
745 (35.36%)
741 (35.17%)
751 (35.63%)
<0.001
Alcohol intake (g/wk)
18 (1–90)
36 (1–126)
36 (1–126)
25.7 (1–126)
<0.001
Fatty liver
63 (2.99%)
300 (14.24%)
683 (32.42%)
1209 (57.35%)
<0.001
Physical activity
439 (20.85%)
456 (21.64%)
380 (18.04%)
324 (15.37%)
<0.001
BMI (kg/m2)
18.0 ± 1.6
22.1 ± 1.4
23.7 ± 1.5
26.4 ± 2.6
<0.001
WC (cm)
71.5 ± 3.8
77.9 ± 2.9
82.6 ± 3.3
89.9 ± 5.8
<0.001
SBP (mmHg)
112 ± 12
117 ± 13
120 ± 13
126 ± 15
<0.001
DBP (mmHg)
70 ± 9
74 ± 9
76 ± 9
80 ± 10
<0.001
TC (mmol/L)
4.86 ± 0.80
5.12 ± 0.82
5.24 ± 0.83
5.42 ± 0.86
<0.001
HDL-C (mmol/L)
1.47 ± 0.38
1.34 ± 0.34
1.25 ± 0.32
1.16 ± 0.27
<0.001
TG (mmol/L)
0.57 (0.47–0.90)
0.86 (0.62–1.23)
1.04 (0.75–1.50)
1.25 (0.88–1.82)
<0.001
FPG (mmol/L)
5.18 ± 0.36
5.29 ± 0.36
5.35 ± 0.37
5.41 ± 0.35
<0.001
HbA1c (%)
5.1 ± 0.3
5.1 ± 0.3
5.2 ± 0.3
5.2 ± 0.3
<0.001
Women
0.63–1.91
1.91–2.40
2.40–3.06
3.06–10.39
Participants (n)
1759
1758
1758
1759
Age (years)
40.4 ± 8.4
41.7 ± 8.2
43.9 ± 8.3
47.0 ± 8.7
<0.001
Current smokers
127 (7.22%)
120 (6.83%)
105 (5.97%)
102 (5.80%)
0.031
Alcohol intake (g/wk)
1 (0–4.2)
1 (0–9.3)
1 (0–9.1)
1 (0–4.2)
0.106
Fatty liver
4 (0.23%)
17 (0.97%)
76 (4.32%)
389 (22.11%)
<0.001
Physical activity
303 (17.23%)
293 (16.67%)
267 (15.19%)
246 (13.99%)
0.036
BMI (kg/m2)
18.5 ± 1.5
19.9 ± 1.5
21.3 ± 1.7
24.3 ± 3.0
<0.001
WC (cm)
63.0 ± 3.2
68.4 ± 2.6
73.3 ± 2.9
82.1 ± 6.3
<0.001
SBP (mmHg)
104 ± 12
106 ± 12
110 ± 13
117 ± 15
<0.001
DBP (mmHg)
64 ± 8
66 ± 9
68 ± 10
72 ± 10
<0.001
TC (mmol/L)
4.89 ± 0.83
4.94 ± 0.82
5.12 ± 0.86
5.40 ± 0.90
<0.001
HDL-C (mmol/L)
1.76 ± 0.38
1.70 ± 0.36
1.64 ± 0.39
1.50 ± 0.35
<0.001
TG (mmol/L)
0.49 (0.36–0.67)
0.51 (0.37–0.71)
0.58 (0.41–0.84)
0.77 (0.53–1.10)
<0.001
FPG (mmol/L)
4.87 ± 0.37
4.92 ± 0.37
5.01 ± 0.38
5.15 ± 0.40
<0.001
HbA1c (%)
5.1 ± 0.3
5.1 ± 0.3
5.2 ± 0.3
5.3 ± 0.3
<0.001
Note. Data are presented as mean ± SD, median (Q1–Q3), or N (%). BRI, body roundness index; BMI, body mass index; WC, waist circumference; SBP, systolic blood pressure; DBP, diastolic blood pressure; TC, total cholesterol; HDL-C, HDL-cholesterol; TG, triglycerides; FPG, fasting plasma glucose; HbA1c, glycated hemoglobin.
