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Table 1 Demographical characteristics of each genotype group

From: Association between the melanopsin gene polymorphism OPN4*Ile394Thr and sleep/wake timing in Japanese university students

Genotype

TT

TC

CC

P- value

n

223

91

14

 

Sex (M:F)

122:101

49:42

4:10

0.163 (χ2)

Age (years ± SD)

21.0 ± 2.3

20.8 ± 2.0

21.3 ± 1.5

0.667

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Journal of Physiological Anthropology

ISSN: 1880-6805

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