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Table 7 Degree of suicidal intent - Pierce Suicide Intent Scale (PSIS)

From: A comparison of non-fatal self-poisoning among males and females, in Sri Lanka

Variable Total scores Gender1 p value Odds ratio 95% CI of OR
Male Female
Pierce Suicide Intent Scale (PSIS) M(SD) 10.2 (4.0) 10.9 (4.1) 9.6 (3.83) <.001 0.92 0.89-0.95
PSIS subsection scores       
Circumstances score M(SD) 4.6 (1.9) 4.7 (1.9) 4.53 (1.9) .107 0.94 0.88-1.01
Self report score M(SD) 4.4 (2.6) 4.8 (2.7) 4.2 (2.6) <.001 0.91 0.86-0.96
Lethality score M(SD) 1.2 (1.0) 1.5 (1.1) 1.0 (1.0) <.001 0.63 0.55-.72
PSIS score by category     <.001   
Low intent (score 0–3)% (n) 5.4% (51) 5.0% (21) 5.7% (30) na 2 na na
Medium intent (score 4–10)% (n) 45.2% (429) 37.0% (155) 51.7% (274) .480 1.24 0.69-2.24
High Intent (score ≥ 11 )% (n) 49.4% (469) 58.0% (243) 42.6% (226) .151 0.65 0.36-1.17
  1. 1Gender is coded as 0 Male 1 Female.
  2. 2Low intent is the reference category.
  3. Notes for abbreviations: PSIS: Pierce Suicide Intent Scale. Total score range: 0–21. Scoring by category: low intent (total score 0–3), medium intent (total score 4–10) and high intent (total score >10).