Table 4 Regression analysis of trait/state anxiety and sleep habit variables as predictors of executive functions for T1, T2 and T3

Variable

Executive functions (T1)

Model 1

B

SE

β

p

95% CI

State anxiety

0.734

0.067

0.385

 < 0.001

0.602–0.867

Trait anxiety

0.394

0.078

0.178

 < 0.001

0.240–0.548

Sleep habits

0.627

0.134

0.138

 < 0.001

0.364–0.890

F(3) = 172.986; p < 0.001; R² = 0.354

Variable

Executive functions (T2)

Model 2

B

SE

β

p

95% CI

State anxiety

0.359

0.064

0.523

 < 0.001

0.233–0.485

Trait anxiety

0.167

0.166

0.09

0.315

 − 0.495–0.161

Sleep habits

0.072

0.584

0.01

0.123

 − 1.229–1.084

F(3) = 13.515; p < 0.001; R² = 0.22

Variable

Executive functions (T3)

Model 3

B

SE

β

p

95% CI

State anxiety

0.360

0.082

0.562

 < 0.001

0.195–0.524

Trait anxiety

0.190

0.248

0.096

0.447

 − 0.308–0.687

Sleep habits

0.113

0.870

0.016

0.897

0.195–0.524

F(3) = 6.993; p < 0.001; R² = 0.257