Table 4 Effect size of central obesity on incident diabetes in prespecified and exploratory subgroups.

From: Association between central obesity and incident diabetes mellitus among Japanese: a retrospective cohort study using propensity score matching

Characteristic

No of participants

HR (95%CI)

P value

P for interaction

Gender

   

0.9171

Male

1240

2.12 (1.09, 4.13)

0.0269

 

Female

486

3.15 (0.27, 36.24)

0.3568

 

BMI

   

0.7981

< 25 kg/m2

1946

1.59 (0.89, 2.84)

0.1202

 

≥ 25 kg/m2

502

1.44 (0.61, 3.39)

0.4017

 

Age

   

0.3739

< 50

1238

1.68 (0.84, 3.37)

0.1453

 

≥ 50

518

0.87 (0.25, 2.95)

0.8181

 

FPG (mg/dL)

   

0.9958

Low

802

1.02 (0.06, 16.79)

0.9882

 

High

874

1.77 (0.91, 3.43)

0.0911

 

HbA1c (%)

   

0.4800

Low

634

0.88 (0.22, 3.53)

0.8577

 

High

1046

1.61 (0.88, 2.93)

0.1216

 

TC (mg/dL)

   

0.6490

Low

818

1.57 (0.56, 4.46)

0.3927

 

High

840

1.23 (0.50, 3.05)

0.6530

 

TG (mg/dL)

   

0.3787

Low

798

2.89 (0.70, 12.02)

0.1441

 

High

828

1.54 (0.77, 3.07)

0.2241

 

HDL-C (mg/dL)

   

0.3523

Low

804

1.41 (0.70, 2.84)

0.3359

 

High

818

0.68 (0.18, 2.56)

0.5665

 

ALT (U/L)

   

0.5674

Low

700

2.77 (0.59, 12.90)

0.1955

 

High

964

1.81 (0.96, 3.42)

0.0678

 

AST (U/L)

   

0.9342

Low

676

1.07 (0.22, 5.13)

0.9330

 

High

1012

1.20 (0.60, 2.40)

0.5972

 

GGT (U/L)

   

0.1643

Low

776

0.82 (0.16, 4.31)

0.8126

 

High

896

3.10 (1.35, 7.12)

0.0076

 
  1. The above model has been adjusted for age, BMI, gender, smoking status, ethanol consumption, regular exerciser, SBP, DBP, ALT, AST, GGT, HbA1c, FPG, TC, TG, HDL-C.
  2. In each case, the model was not adjusted for the stratification variable.