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Table 2 Risk of repeated self-harm tracked after 3 months, 6 months, and 1-8 years (N = 39,875)

From: A nationwide, population-based, long-term follow-up study of repeated self-harm in Taiwan

Time of repeated self-harm Based on individuals Based on episodes Cumulative risk
Tracked after 3 months
 Events 2,802 5,272 2,802
 Risk % (95% CI) 7.19 (6.93–7.45) 7.23 (6.48–7.57) 7.19 (6.93–7.45)
Tracked after 6 months
 Events 225 1,479 3,027
 Risk % (95% CI) 0.58 (0.50–0.66) 1.24 (1.13–1.35) 7.77 (7.50–8.08)
Tracked after 1 year
 Events 90 190 3,117
 Risk % (95% CI) 0.23 (0.18–0.28) 0.49 (0.42–0.56) 8.00 (7.73–8.60)
Tracked after 2 years
 Events 98 220 3,215
 Risk % (95% CI) 0.25 (0.20–0.30) 0.57 (0.50–0.65) 8.25 (7.97–9.20)
Tracked after 3 years
 Events 75 175 3,290
 Risk % (95% CI) 0.19 (0.15–0.24) 0.45 (0.39–0.52) 8.44 (8.16–9.68)
Tracked after 4 years
 Events 30 62 3,320
 Risk % (95% CI) 0.08 (0.05–0.11) 0.16 (0.12–0.20) 8.52 (8.24–9.85)
Tracked after 5 years
 Events 30 92 3,350
 Risk % (95% CI) 0.08 (0.05–0.11) 0.24 (0.19–0.29) 8.60 (8.32–10.10)
Tracked after 6 years
 Events 24 68 3,374
 Risk % (95% CI) 0.06 (0.04–0.09) 0.18 (0.14–0.22) 8.66 (8.38–10.28)
Tracked after 7 years
 Events 11 24 3,385
 Risk % (95% CI) 0.03 (0.01–0.05) 0.06 (0.04–0.09) 8.69 (8.41–10.35)
Tracked after 8 years
 Events 3 6 3,388
 Risk % (95% CI) 0.01 (0.01–0.02) 0.02 (0.01–0.03) 8.70 (8.42–10.37)
  1. CI. confidence interval.