Table 18 Regression coefficients for variables of softness of sock.

From: Statistical modelling and optimization of thermophysiological and tactile comfort properties of sports socks

Terms

Effect

Coefficient

SE coefficient

t-value

p-value

Constant

 

87.654

0.112

785.66

0.000

Blend ratio

0.6720

0.3360

0.0789

4.26

0.003

Cotton

− 0.851

− 0.425

0.129

− 3.30

0.011

Modal

0.509

0.255

0.129

1.98

0.083

Polyester

− 0.291

− 0.145

0.129

− 1.13

0.292

Polypropylene

− 0.411

− 0.205

0.129

− 1.59

0.150

Blend ratio*blend ratio

− 1.136

− 0.568

0.137

− 4.16

0.003

  1. R-Sq. = 88.80% R-Sq. (adj) = 80.40% R-Sq. (pred) = 60.62%.
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