Table 1 Activity Frequencies. Mean frequency and variance of the students’ activities during 2018 and 2020. The KS test measures whether the difference between the distributions is significant

Break

0.01495

0.00835

0.00024

0.00012

0.28499

6.217e-05***

Eating

0.06623

0.06471

0.00035

0.00025

0.16636

5.657e-02

Hobbies

0.02957

0.02670

0.00197

0.00143

0.08384

7.347e-01

Housework

0.01262

0.03789

0.00016

0.00060

0.53164

5.551e-16***

Lesson

0.04606

0.05428

0.00130

0.00157

0.13892

1.636e-01

Movie...

0.00329

0.00104

0.00003

0.00001

0.23142

2.109e-03 **

Moving

0.06369

0.02339

0.00081

0.00032

0.63235

5.551e-16 ***

Other

0.02426

0.01189

0.00097

0.00026

0.31775

4.964e-06 ***

Phone

0.01430

0.02076

0.00042

0.00066

0.16295

6.521e-02

Reading/Music

0.00652

0.01083

0.00014

0.00034

0.19584

1.462e-02 *

Rest/Nap

0.01904

0.04562

0.00047

0.00144

0.45647

3.853e-12 ***

Selfcare

0.02941

0.03161

0.00021

0.00056

0.10471

4.660e-01

Shopping

0.00424

0.00584

0.00002

0.00003

0.27928

9.458e-05 ***

Sleeping

0.34371

0.35381

0.00079

0.00164

0.25361

5.379e-04 ***

Social life

0.05453

0.02453

0.00167

0.00056

0.39752

3.033e-09 ***

Social Media

0.01149

0.02580

0.00018

0.00091

0.25670

4.397e-04 ***

Sport

0.01162

0.00972

0.00031

0.00017

0.11417

3.604e-01

Study

0.13214

0.13305

0.00629

0.00612

0.07491

8.430e-01

TV-Shows/Youtube

0.04360

0.06529

0.00125

0.00191

0.25906

3.764e-04 ***

Work

0.01486

0.01019

0.00086

0.00099

0.22801

2.592e-03 **