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Table 3 Results of multivariate regression analysis of irregular bedtime frequency and average daily sleep time on PSQI, ESS, and FSS scores

From: Effects of an irregular bedtime schedule on sleep quality, daytime sleepiness, and fatigue among university students in Taiwan

 

ESS

FSS

PSQI

Intermediate FIB (p-value)

(0.389)

(0.132)

(0.02*)

Zero-order r

-0.05

0.05

0.05

Partial r

0.07

0.12

0.18

High FIB (p-value)

(0.015*)

(0.124)

(0.05*)

Zero-order r

0.18

0.09

0.20

Partial r

0.19

0.12

0.15

ADST (p-value)

(0.314)

(0.359)

(<0.001*)

Zero-order r

0.02

-0.11

-0.59

Partial r

0.08

-0.07

0.56

Total r (p-value)

0.20

0.17

0.61

 

(0.09)

(0.196)

(<0.001*)

  1. FIB, frequency of irregular bedtime; ADST, average daily sleep time; ESS, Epworth Sleepiness Scale; FSS, Fatigue Severity Scale; PSQI, Pittsburgh Sleep Quality Index; r, correlation coefficients.
  2. The multivariate regression analysis was performed by setting the intermediate and high FIB groups as dummy variables in comparison to the low FIB group
  3. *p < 0.05