Fig. 2
Non-linear relationship between PRM and self-inflicted violence behaviors. HR, hazard ratio; CI, confidence interval; NSSI, non-suicidal self-injury; PRM, the proportion of regular medication. PRM of 1 was served as the reference group. Inverse probability weighting was according to age, sex, ethnic, marital status, urbanicity, education level, economic situation, family history of psychiatric illness, duration of illness, and history of suicide attempt or NSSI at baseline. History of suicide attempt or NSSI during follow-up was additionally considered in the suicide cohort. Pnon-linear < 0.05 indicated that significant non-linear relationship