总数(男性比例)

症状重度80~100

症状中度60~79

症状轻度40~59

40分以下

前测

730 (58%)

12 (1.64%)

62 (8.49%)

310 (42.47%)

346 (47.40%)

后测

722 (65%)

7 (0.97%)

58 (8.03%)

280 (38.78%)

377 (52.22%)