Table 3 Standardized beta coefficients of multiple linear regression analysis of age with muscle strain ratio as a sex-specific dependent variable.

From: Aging-associated differences between perioral and trunk muscle characteristics

Dependent variables

Age

BMI

Number of teeth

Adjusted R2

Significance level of the model

Men (n = 108)

 MSR

− 0.111

0.137

0.012

0.003

0.354

 GSR

0.269

− 0.067

0.060

0.032

0.096

 RSR

− 0.405**

0.141

− 0.033

0.137

< 0.001**

Women (n = 107)

 MSR

− 0.126

− 0.121

− 0.029

0.006

0.306

 GSR

0.219

− 0.001

0.024

0.016

0.197

 RSR

− 0.371**

0.056

− 0.048

0.094

0.004**

  1. Variance inflation factor (VIF) of age, BMI, and number of teeth were less than 2.00.
  2. GSR geniohyoid muscle strain ratio, MSR masseter muscle strain ratio, RSR rectus abdominis muscle strain ratio, BMI, body mass index.
  3. *p-value < 0.05 and **p-value < 0.01.
Back to article page