Table 4.
Differences and interactions between phasesa and transition of SIb with regard to stressors related to the mild lockdown.
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Phase | Mean score (SD) | Effect of phase | Effect of group | Interaction | ||||||||||||
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No SI | Improved SI | Worsened SI | Persistent SI | F (df) |
P value |
η G2 c | F (df) |
P value |
η G2 | F (df) |
P value |
η G2 | |||
| Deterioration of household economy | |||||||||||||||||
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1 | 3.55 (1.77) | 3.70 (1.71) | 3.78 (1.77) | 3.81 (1.77) | 119.88 (1, 7889) | <.001 | 0.004 | 16.53 (3, 7889) | <.001 | 0.005 | 0.31 (3, 7889) | .82 | 0.000 | |||
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2 | 3.27 (1.73) | 3.41 (1.65) | 3.49 (1.69) | 3.56 (1.76) | N/Ad | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| Deterioration of relationship with familiar people | |||||||||||||||||
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1 | 2.09 (1.42) | 2.51 (1.53) | 2.33 (1.44) | 2.53 (1.55) | 63.22 (1, 7889) | <.001 | 0.003 | 41.39 (3, 7889) | <.001 | 0.011 | 8.68 (3, 7889) | <.001 | 0.001 | |||
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2 | 2.34 (1.53) | 2.60 (1.52) | 2.67 (1.55) | 2.61 (1.57) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| Frustration | |||||||||||||||||
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1 | 3.04 (1.69) | 3.27 (1.73) | 3.27 (1.66) | 3.35 (1.76) | 7.52 (1, 7889) | .01 | 0.000 | 20.07 (3, 7889) | <.001 | 0.006 | 2.56 (3, 7889) | .05 | 0.000 | |||
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2 | 2.98 (1.70) | 3.11 (1.67) | 3.32 (1.72) | 3.24 (1.74) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| COVID-19-related anxiety | |||||||||||||||||
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1 | 4.04 (1.66) | 3.97 (1.66) | 4.07 (1.64) | 3.98 (1.71) | 418.68 (1, 7889) | <.001 | 0.015 | 0.65 (3, 7889) | .58 | 0.000 | 1.46 (3, 7889) | .22 | 0.000 | |||
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2 | 3.48 (1.68) | 3.54 (1.63) | 3.54 (1.65) | 3.49 (1.71) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| COVID-19-related sleeplessness | |||||||||||||||||
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1 | 2.33 (1.49) | 2.55 (1.54) | 2.57 (1.56) | 2.50 (1.52) | 4.57 (1, 7889) | .03 | 0.000 | 10.07 (3, 7889) | <.001 | 0.003 | 0.95 (3, 7889) | .42 | 0.000 | |||
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2 | 2.31 (1.46) | 2.52 (1.56) | 2.51 (1.51) | 2.42 (1.48) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| Difficulties owing to the lack of daily necessities | |||||||||||||||||
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1 | 3.45 (1.79) | 3.48 (1.79) | 3.61 (1.84) | 3.65 (1.84) | 1037.98 (1, 7889) | <.001 | 0.046 | 5.91 (3, 7889) | <.001 | 0.001 | 4.41 (3, 7889) | .004 | 0.000 | |||
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2 | 2.53 (1.59) | 2.70 (1.62) | 2.69 (1.57) | 2.61 (1.58) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
| Difficulties in work or schoolwork | |||||||||||||||||
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1 | 3.64 (2.01) | 3.65 (1.94) | 3.79 (1.95) | 3.56 (1.97) | 746.47 (1, 7889) | <.001 | 0.028 | 4.43 (3, 7889) | .004 | 0.001 | 2.93 (3, 7889) | .03 | 0.000 | |||
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2 | 2.77 (1.74) | 2.97 (1.78) | 2.97 (1.75) | 2.83 (1.75) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |||
aPhase 1: between May 11 and 12, 2020, in the final phase of the first state of emergency; phase 2: between February 24 and 28, 2021, in the final phase of the second state of emergency.
bSI: social isolation.
cηG2: 0.010, small; 0.060, medium; 0.140, large.
dN/A: not applicable.