an increasing trendP = 0.055
However, Jonckheere-Terpstra test for the actual sleep time among chronotypes showed an increasing trend in sleeping hours from evening type to morning type ( P = 0.055).
However, Jonckheere-Terpstra test for the actual sleep time among chronotypes showed an increasing trend in sleeping hours from evening type to morning type ( P = 0.055).
Both of them had evening chronotype, and the association had a trend toward significance ( P = 0.087) with a small effect size (Cramer's V = 0.215).