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This study aimed to compare the similarities and differences between suicide completers and attempters in rural China.

Two paired case–control studies of completed suicide and suicide attempts were conducted in rural Shandong, China. This analysis included 409 suicide attempters (SA) with a mean age of 43.90 (SD = 13.31), 117 suicide completers (SC) with a mean age of 50.38 (SD = 13.02) and their controls matched by gender, age (within 3 years), and residence. Logistic regression models were used to examine risk factors of suicide attempts and completed suicide and the differences between SA and SC.

Compared to their matched controls, suicide attempters and completers shared the following common risk factors: low levels of education (middle school or under) (OR, 95% CI: 2.79, 1.40–5.55 for SA and 16.98, 1.59–181.60 for SC), negative life events (OR, 95% CI: 7.37, 4.73–11 …