Table 2 Results of the Linear Mixed-Effects Model (LMM) for comparing luminance threshold differences between conditions with and without chromatic noise across age groups and protocols.

From: Color vision and luminance discrimination throughout the life span

 

χ2

Df

p

Intercept

180.375

1

 < 0.001

Age group

18.541

2

 < 0.001

Protocol

10.205

2

0.006

Age group: Protocol

7.7776

4

0.1

  1. p-values were estimated using Type-III Wald chi-square tests.
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