Perceived stress and academic achievement among medical students with different chronotypes: a cross sectional study on first year medical students from India

Table 1 Difference in sleeping variables and Perceived Stress Score in Excellent and Average Performers

	Excellent Students (54)	Average Students (48)	t– value	P value
Age	19.6 ± 1.8	19.9 ± 1.3	0.95	0.34
Week day Wake up time	6.40 ± 2.7	7.37 ± 1.9	2.07	0.04*
Week day Bed time	23.30 ± 1.52	24.27 ± 2.34	2.5	0.014*
Week day Sleep duration	7.10 ± 2.5	7.10 ± 3.17	0.00	1.00
Week end Wake up time	8.47 ± 2.12	11.33 ± 1.41	7.9	< 0.001*
Week end Bed time	24.33 ± 1.31	26.07 ± 1.39	6.5	< 0.001*
Week end Sleep duration	8.14 ± 3.13	9.26 ± 2.26	2.05	0.04*
Chronotype	3.74 ± 1.41	4.39 ± 1.78	2.05	0.04*
Lag in Bed time between weekends & week days	1.03 ± 1.02	1.40 ± 1.3	1.6	0.11
Delay in Wake up time between weekends & week days	2.07 ± 1.41	3.55 ± 1.45	5.22	< 0.001*
Sleep Latency in minutes	14.49 ± 12.14	41.17 ± 13.35	10.6	< 0.001*
Wake up Latency in minutes	9.20 ± 3.30	11.30 ± 5.2	2.5	0.02*
Perceived Stress Score	17.8 ± 8.2	24.7 ± 9.5	3.93	< 0.001*

ISSN: 1472-6920