Table 3. Factor analysis of the 26 stress-related questions.
| Questions | F1 | F2 | F3 | F4 | F5 | F6 | |
|---|---|---|---|---|---|---|---|
| Factor 1: Anxiety about infection (Cronbach’s α = 0.83) | |||||||
| Q1 | Anxiety about being infected | 0.913 | -0.12 | -0.006 | 0.013 | 0.023 | -0.095 |
| Q2 | Anxiety about infecting family | 0.879 | -0.078 | -0.04 | 0.00 | 0.001 | -0.08 |
| Q7 | Lack of knowledge about infectivity and virulence | 0.665 | 0.071 | -0.04 | 0.043 | 0.001 | 0.01 |
| Q5 | Anxiety of being infected during commuting | 0.596 | 0.042 | -0.017 | 0.055 | -0.085 | 0.017 |
| Q6 | Lack of knowledge about prevention and protection from infection | 0.53 | 0.215 | -0.058 | 0.022 | 0.007 | -0.031 |
| Q21 | Heighten awareness of physical condition management | 0.517 | -0.186 | 0.035 | 0.153 | 0.002 | 0.202 |
| Q12 | Anxiety about compensation | 0.497 | 0.07 | 0.007 | -0.075 | 0.023 | 0.019 |
| Q26 | Doubt about uninformed serious information | 0.351 | 0.161 | 0.074 | -0.151 | -0.067 | 0.105 |
| Q11 | Feeling of being supported by family | 0.322 | -0.028 | 0.085 | 0.274 | 0.019 | 0.017 |
| Q20 | Feeling of having no choice but to work due to obligation | 0.288 | -0.015 | 0.063 | -0.032 | 0.065 | 0.064 |
| Factor 2: Feeling of being isolated and discriminated (Cronbach’s α = 0.73) | |||||||
| Q14 | Feeling of being isolated | 0.025 | 0.802 | -0.02 | 0.025 | -0.013 | -0.059 |
| Q15 | Elevated mood | -0.078 | 0.599 | 0.008 | 0.265 | -0.008 | -0.007 |
| Q8 | Feeling of being avoided by others | 0.057 | 0.556 | -0.153 | -0.019 | 0.071 | 0.025 |
| Q16 | Insomnia | -0.018 | 0.518 | 0.316 | 0.075 | -0.072 | -0.02 |
| Q13 | Hesitation to work | 0.169 | 0.418 | 0.092 | -0.2 | -0.015 | 0.00 |
| Q25 | Unfairness | 0.123 | 0.391 | 0.068 | -0.213 | 0.104 | 0.072 |
| Q24 | Greater amount of alcohol drinking | -0.098 | 0.38 | -0.036 | 0.019 | 0.03 | 0.121 |
| Factor 3: Exhaustion(Cronbach’s α = 0.90) | |||||||
| Q17 | Physical exhaustion | -0.034 | -0.041 | 0.948 | 0.015 | 0.039 | -0.019 |
| Q18 | Mental exhaustion | 0.026 | 0.045 | 0.867 | 0.011 | -0.008 | -0.012 |
| Factor 4: Feeling of being protected (Cronbach’s α = 0.72) | |||||||
| Q10 | Feeling of being protected by hospital | 0.024 | 0.008 | 0.056 | 0.821 | 0.003 | -0.004 |
| Q9 | Feeling of being protected by national and local governments | -0.023 | 0.228 | -0.117 | 0.692 | -0.006 | -0.029 |
| Q19 | Motivation to work | 0.1 | -0.089 | 0.084 | 0.399 | 0.05 | 0.093 |
| Factor 5: Workload (Cronbach α = 0.85) | |||||||
| Q4 | Burden of change of quality of work | 0.009 | 0.05 | -0.027 | 0.015 | 0.854 | -0.005 |
| Q3 | Burden of increase quantity of work | -0.018 | 0.007 | 0.056 | 0.028 | 0.842 | -0.011 |
| Factor 6: Increase of exposure to TV and internet media (Cronbach’s α = 0.79) | |||||||
| Q22 | Increase of TV exposure | -0.011 | 0.036 | -0.041 | 0.036 | -0.001 | 0.812 |
| Q23 | Increase of internet and SNS exposure | 0.028 | 0.047 | 0.005 | 0.001 | -0.016 | 0.774 |
| Eigenvalue | 5.218 | 4.327 | 4.268 | 1.837 | 3.331 | 2.471 | |
| Variance Explained (%) | 47.388 | ||||||
| Between factor correlation | |||||||
| F2 | 0.458 | ||||||
| F3 | 0.507 | 0.606 | |||||
| F4 | -0.196 | -0.177 | -0.207 | ||||
| F5 | 0.438 | 0.472 | 0.51 | -0.125 | |||
| F6 | 0.435 | 0.26 | 0.262 | 0.057 | 0.178 | ||
Abbreviation: F, Factor.
Bold, factor loading ≥ 0.40.