Reliability | Item discrimination of each measure a | Model fit of confirmatory factor analysis (CFA) d | |||||||
---|---|---|---|---|---|---|---|---|---|
α | t b | p | χ2 | df | CFI | RMSEA | 90%CI | SRMR | |
1. Knowledge about the COVID-19 | 0.91 | [−63.90, −45.57] | < 0.001 | 386.87 | 24 | 0.99 | 0.06 | [0.052, 0.062] | 0.02 |
2. Perceived severity | 0.84 | [−65.61, −52.08] | < 0.001 | 62.06 | 3 | 1.00 | 0.07 | [0.052, 0.080] | 0.02 |
3. Perceived controllability | 0.91 | [−93.59, −49.78] | < 0.001 | 135.78 | 17 | 1.00 | 0.04 | [0.033, 0.045] | 0.01 |
4. Emotional and behavioural reactions | |||||||||
Negative emotion | 0.91 | [−59.46, −34.28] | < 0.001 | 192.48 | 8 | 0.99 | 0.07 | [0.062, 0.080] | 0.02 |
Positive emotion | 0.97 | [− 115.87, − 114.46] | < 0.001 | e | e | e | e | e | e |
Sleep problem | 0.91 | [−42.78, −29.82] | < 0.001 | 24.11 | 2 | 0.99 | 0.05 | [0.033, 0.067] | 0.01 |
Aggression | 0.90 | [−60.09, −22.67] | < 0.001 | f | f | f | f | f | f |
Substance use | 0.91 | [−27.75, −15.85] | < 0.001 | f | f | f | f | f | f |
Mobile phone use | – | −101.18 c | < 0.001 | f | f | f | f | f | f |
5. Social participation | 0.79 | [− 70.45, −47.41] | < 0.001 | 23.71 | 3 | 1.00 | 0.04 | [0.025, 0.054] | 0.01 |
6. Precautionary behaviour | 0.92 | [−55.19, −33.11] | < 0.001 | 2950.96 | 121 | 0.96 | 0.07 | [0.069, 0.073] | 0.08 |