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Table 3 Univariate analysis of different latent classes of mental health status

From: Latent class analysis of depression and anxiety among medical students during COVID-19 epidemic

Variables poor mental
health group
(N = 4325)
mild mental
health group
(N = 9321)
low symptoms group
(N = 16,017)
χ2/Fisher P
Sex 70.649 < 0.001
 Male 1454 2908 5823   
 Female 2871 6413 10,194   
Education level 76.010 < 0.001
 Junior 335 499 1134   
 Undergraduate 3817 8592 14,500   
 Postgraduate 173 230 383   
Smoking 169.223 < 0.001
 Yes 399 485 680   
 No 3926 8836 15,337   
Drinking 441.697 < 0.001
 Yes 990 1501 1738   
 No 3335 7820 14,279   
Individual psychiatric disorders 53.623 < 0.001
 Yes 77 118 103   
 No 4248 9203 15,914   
Family psychiatric disorders 168.534 < 0.001
 Yes 119 141 80   
 No 4206 9180 15,937   
Knowledge of COVID-19     632.103 < 0.001
 Yes 2624 6275 12,442   
 No 1701 3046 3575   
Contact suspected or confirmed    24.006 0.001
 Diagnosed 29 55 88   
 Suspected 23 26 22   
 No 4723 9240 15,907   
Fear of being infected 1701.334 < 0.001
 Yes 2287 3546 3594   
 No 2038 5775 12,423   
Participate in mental health education on COVID-19 304.553 < 0.001
 Yes 2913 6861 12,714   
 No 1412 2460 3303