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Table 1 Baseline characteristics by group
| Germanwings Plane Crash | Fukushima Tsunami | Depression Day Congress | Group Differences | |
|---|---|---|---|---|
| Sample size | 60 | 60 | 60 | |
| Age (years) | F(2,177) = 2.12, p = 0.12 | |||
| Mean (standard deviation) | 38.65 (13.32) | 41.22 (12.65) | 36.52 (11.55) | |
| Gender (%) | χ2(2, N = 180) = 5.69, p = 0.06 | |||
| Male | 53.3 | 33.3 | 36.7 | |
| Female | 46.7 | 66.7 | 63.3 | |
| Level of education(%) | χ2(2, N = 180) = 1.68, p = 0.43 | |||
| < 12 years of school | 63.3 | 56.7 | 51.7 | |
| ≥ 12 years of school | 36.7 | 43.3 | 48.3 | |
| Current depression: Yes (%) | 100 | 100 | 100 | |
| PHQ-9 | F(2,177) = 0.01, p = 1.00 | |||
| Mean (standard deviation) | 13.97 (5.44) | 13.93 (5.54) | 13.87 (6.27) | |
| Negative Affect (PANAS) (t1) | F(2,177) = 2.57, p = 0.08 | |||
| Mean (standard deviation) | 17.62 (7.36) | 15.08 (4.54) | 16.47 (6.17) | |
| Positive Affect (PANAS) (t1) | F(2,177) = 0.54, p = 0.59 | |||
| Mean (standard deviation) | 26.42 (7.83) | 25.03 (8.07) | 25.84 (7.61) |
