Table 3 Matching/not matching between perceived family and individual chronotype.

From: Mismatch between perceived family and individual chronotype and their association with sleep-wake patterns

Perceived family chronotype

Morning-type

n%

Evening-type

n%

Statistic

Cohen’s Kappa coefficient

Individual chronotype

Morning-type

31

7.0

191

43.1

This divisory line it is not necessary, because cohen’s kappa is for both morning-type and evening -type

Evening-type

82

18.5

139

31.4

−0.231**

  1. **p < 0.001.