Correlation between anxiety variables
| Variable | Physical activity | Sleep time | Changes in media usage time | Change in family relationships | Change in friendship | Changes in teacher relationships | Subjective state of health | Anxiety |
|---|---|---|---|---|---|---|---|---|
| Physical activity |
||||||||
| Sleep time |
0.018 |
|||||||
| Changes in media usage time |
-0.103 |
0.053 |
||||||
| Change in family relationships |
0.049 |
0.030 |
-0.102 |
|||||
| Change in friendship |
0.060 |
0.008 |
-0.168 |
0.201 |
||||
| Changes in teacher relationships |
0.060 |
0.013 |
-0.194 |
0.160 |
0.310 |
|||
| Subjective state of health |
0.180 |
0.033 |
-0.283 |
0.176 |
0.234 |
0.206 |
||
| Anxiety | -0.041 |
-0.087 |
0.204 |
-0.154 |
-0.168 |
-0.126 |
-0.298 |
|
| M±SD | 1.83±1.05 | 3.17±0.79 | 3.81±0.83 | 3.04±0.60 | 2.91±0.61 | 2.91±0.48 | 2.70±0.68 | 2.28±4.07 |
***p<0.001; †physical activity and sleep time on a 4-point scale; ‡changes in media (Internet and smartphone) usage time, changes in family relationships due to COVID-19, changes in friends relationships due to COVID-19, changes in relationships with teachers due to COVID-19, and subjective health changes compared to before the outbreak of COVID-19 were scored as 5 points standard. COVID-19, coronavirus disease 2019; M, mean; SD, standard deviation