TABLE 3.
Crude and Adjusted Hazard Ratios for Attempting Suicide: ARYS (Vancouver, British Columbia; 2005–2013)
| Type of Maltreatmenta | Crude Hazard Ratio (95% CI) | Adjusted Hazard Ratiob (95% CI) | ||
|---|---|---|---|---|
| Standard Model | IPCW Model | Combined Model | ||
| Sexual abuse | 1.71 (0.80–3.64) | 1.63 (0.70–3.78) | 1.43 (0.58–3.55) | 1.00 (0.43–2.34) |
| Physical abuse | 4.62 (2.20–9.71) | 4.47 (2.12–9.42) | 5.09 (2.27–11.4) | 2.74 (1.03–7.28) |
| Emotional abuse | 4.66 (1.93–11.2) | 4.92 (2.11–11.5) | 4.45 (1.82–10.9) | 2.52 (0.88–7.25) |
| Physical neglect | 1.84 (0.89–3.82) | 1.70 (0.80–3.59) | 1.88 (0.84–4.19) | 0.76 (0.36–1.60) |
| Emotional neglect | 3.36 (1.28–8.81) | 3.08 (1.05–9.03) | 2.95 (1.02–8.54) | 1.42 (0.40–5.06) |
N = 660.
Categories used standardized cutoffs of the CTQ and were collapsed with “none to moderate” (score of 5–12; reference group) incorporating “none to minimal” (score of 5–8) combined with “low to moderate” (score of 9–12), and “moderate to severe” (score >12; comparison) incorporating “moderate to severe” (score of 13–15) combined with “severe to extreme” (score >15).26,27
Standard and IPCW models include the type of abuse/neglect listed (and no other), adjusted for age, gender, past-6-month injection drug use, and past-6-month drug overdose. IPCW models reweighted the sample to inflate the contribution of participants lost to follow-up, thus accounting for the possibility that those who did not return for full follow-up may have been at elevated risk of suicide. The combined model included all 5 types of abuse/neglect in same model without IPCW (and additionally adjusted for age, gender, past-6-month injection drug use, and past-6-month drug overdose).