Table 2 Participant demographics and psychological characteristics in baseline
|  | Mindfulness (n = 302) | Wait list (n = 315) | t/χ2` | p | ||||
|---|---|---|---|---|---|---|---|---|
Wave 1 (n = 120) | Wave 2 (n = 182) | t/χ2 | p | Total | N(%)/Mean(SD) | |||
N(%)/Mean(SD) | N(%)/Mean(SD) | |||||||
Sex | Â | Â | 0.900 | 0.343 | Â | Â | 0.803 | 0.370 |
 Male | 21 (17.5) | 40 (22) |  |  | 61 (20.2) | 73 (23.2) |  |  |
 Female | 99 (82.5) | 142 (78) |  |  | 241 (79.8) | 242 (76.8) |  |  |
COVID-2019 related | Â | Â | 3.713 | 0.054 | Â | Â | 66.403 | 0.000 |
 Yes | 67 (55.8) | 81 (44.5) |  |  | 148 (49) | 57 (18.1) |  |  |
 No | 53 (44.2) | 101 (55.5) |  |  | 154 (51) | 258 (81.9) |  |  |
Age | 32.08 (9.27) | 30.53 (8.52) | 1.499 | 0.135 | 31.15 (8.84) | 31.90 (10.10) |  − 0.979 | 0.328 |
K10 | 28.80 (6.31) | 26.81 (6.16) | 2.688 | 0.008 | 27.62 (6.29) | 27.60 (6.85) | 0.030 | 0.976 |
CPSS | 33.44 (6.91) | 32.75 (7.15) | 0.815 | 0.416 | 33.03 (7.05) | 32.95 (6.86) | 0.141 | 0.888 |
OASIS | 9.60 (3.67) | 8.46 (3.55) | 2.653 | 0.008 | 8.92 (3.63) | 8.68 (3.54) | 0.838 | 0.403 |
ODSIS | 7.08 (4.34) | 5.55 (3.92) | 3.158 | 0.002 | 6.17 (4.15) | 6.18 (4.46) |  − 0.034 | 0.973 |
FFMQtotal | 57.65 (7.46) | 57.87 (8.08) | 0.407 | 0.812 | 57.78 (7.82) | 58.19 (8.08) |  − 0.628 | 0.530 |
FFMQobs | 12.13 (3.07) | 12.35 (3.14) |  − 0.617 | 0.538 | 12.26 (3.11) | 12.54 (3.45) |  − 1.032 | 0.302 |
FFMQdes | 11.73 (2.64) | 11.46 (2.95) | 0.798 | 0.426 | 11.57 (2.83) | 11.72 (2.97) |  − 0.619 | 0.536 |
FFMQact | 11.45 (2.77) | 11.53 (2.83) |  − 0.233 | 0.816 | 11.50 (2.80) | 11.34 (3.28) | 0.636 | 0.525 |
FFMQnj | 11.94 (2.71) | 12.31 (2.58) |  − 1.174 | 0.241 | 12.16 (2.63) | 11.97 (2.71) | 0.839 | 0.402 |
FFMQnrt | 10.40 (2.52) | 9.94 (1.65) | 1.859 | 0.064 | 10.13 (2.06) | 10.62 (2.39) |  − 2.678 | 0.008 |