Additional file 2 of Evaluating the validity and reliability of the Chinese entrapment scale and the relationship to depression among men who have sex with men in Shanghai, China
Additional file 2. The historgram of the entrapment scale scores and the IRT model and M2 test of the entrapment scale among men who have sex with men in Shanghai, China.
Funding
the National Natural Science Funds Shanghai Three-year Action Plan for Public Health Strategic collaborative innovation team