Table 1 Results of the Linear Mixed-Effects Model (LMM) for comparing luminance threshold across age groups and protocols.

From: Color vision and luminance discrimination throughout the life span

 

χ2

Df

p

Intercept

516.008

1

 < 0.001

Age group

27.722

2

 < 0.001

Protocol

175.734

3

 < 0.001

Age group: Protocol

23.505

6

 < 0.001

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