组别 | 例数 | 20~29岁 | 30~39岁 | 40~49岁 | 50~59岁 |
COVID-19疫情前组 COVID-19疫情后组 | 116 810 | 13 (11.21) 170 (20.99) | 56 (48.28) 423 (52.22) | 44 (37.93) 265 (32.72) | 26 (22.41) 58 (12.59) |
c2 207.48 P <0.001 |