characteristics	No. of nurses	Ratio(%)
Gender           male           female	35 71	33.0 67.0
Age           ≤30           >30	57 49	54.0 46.0
Education degree College degree Bachelor degree	59 47	56.0 44.0
Work time           1-5 years           >5years	55 51	52.0 48.0
Anti-pandemic group                 Group1                 Group2	51 55	51.0 49.0
Total	106	100