Table 4 Univariable and multivariable logistic regression for the association between neck circumference and elevated visceral adiposity index.

From: Association between neck circumference and visceral adiposity index among adults in rural Thailand

Neck circumference (cm)

Elevated visceral adiposity index

Overall (n = 2160)

Age < 60 (n = 1327)

Age ≥ 60 (n = 833)

P for

interactionc

PR (95% CI)a

p-value

PR (95% CI)b

p-value

PR (95% CI)b

p-value

Continuous variable

 Univariable analysis

  Increase each 1 cm

1.13 (1.08–1.17)

 < 0.001

1.20 (1.14–1.26)

 < 0.001

1.03 (0.98–1.08)

0.264

 < 0.001

 Multivariable analysis

  Increase each 1 cm

1.24 (1.17–1.30)

 < 0.001

1.25 (1.16–1.35)

 < 0.001

1.22 (1.12–1.32)

 < 0.001

0.004

  Hosmer–Lemeshow goodness–of–fit test

χ2(3) = 0.50, p = 0.918

χ2(3) = 2.05, p = 0.562

χ2(3) = 0.19, p = 0.979

 

Quartile

 Univariable analysis

  Q1 (25–31)

Reference

 

Reference

 

Reference

  

  Q2 (32–33)

1.12 (1.04–1.21)

    0.003

1.23 (1.10–1.37)

 < 0.001

1.02 (0.91–1.13)

0.758

0.055

  Q3 (34–36)

1.17 (1.09–1.26)

 < 0.001

1.31 (1.19–1.46)

 < 0.001

1.02 (0.92–1.12)

0.750

0.002

  Q4 (37–42)

1.29 (1.20–1.39)

 < 0.001

1.46 (1.32–1.62)

 < 0.001

1.11 (1.01–1.23)

0.039

0.005

 Multivariable analysis

  Q1 (25–31)

Reference

 

Reference

 

Reference

  

  Q2 (32–33)

1.20 (1.10–1.30)

 < 0.001

1.26 (1.13–1.41)

 < 0.001

1.16 (1.01–1.32)

    0.032

0.174

  Q3 (34–36)

1.33 (1.23–1.44)

 < 0.001

1.39 (1.25–1.55)

 < 0.001

1.30 (1.15–1.46)

 < 0.001

0.083

  Q4 (37–42)

1.49 (1.37–1.61)

 < 0.001

1.56 (1.40–1.74)

 < 0.001

1.41 (1.25–1.59)

 < 0.001

0.025

  Hosmer–Lemeshow goodness–of–fit test

χ2(3) = 5.19, p = 0.158

χ2(3) = 0.60, p = 0.897

χ2(3) = 1.78, p = 0.618

 

Categorical variable

 Univariable analysis

   < 35 in men,  < 32 in women

Reference

 

Reference

 

Reference

  

   ≥ 35 in men,  ≥ 32 in women

1.27 (1.20–1.35)

 < 0.001

1.37 (1.26–1.50)

 < 0.001

1.17 (1.08–1.27)

 < 0.001

0.068

 Multivariable analysis

   < 35 in men,  < 32 in women

Reference

 

Reference

 

Reference

  

   ≥ 35 in men,  ≥ 32 in women

1.26 (1.19–1.33)

 < 0.001

1.33 (1.23–1.44)

 < 0.001

1.17 (1.09–1.26)

 < 0.001

0.080

  Hosmer–Lemeshow goodness–of–fit test

χ2(3) = 2.74, p = 0.291

χ2(3) = 1.46, p = 0.691

χ2(3) = 2.33, p = 0.506

 
  1. aMultivariable analysis adjusting with community, age, sex, systolic blood pressure, total cholesterol, low–density lipoprotein cholesterol, fasting plasma glucose, and serum creatinine.
  2. bMultivariable analysis adjusting with community, sex, systolic blood pressure, total cholesterol, low–density lipoprotein cholesterol, fasting plasma glucose, and serum creatinine.
  3. cP for interaction (neck circumference and age group), CI: confidence interval.
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