Skip to main content
. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Psychiatr Res. 2015 Mar 13;65:16–22. doi: 10.1016/j.jpsychires.2015.03.003

Table 3.

Results (hazard ratios and 95% confidence intervals) from Cox regression hazards models predicting death, suicide attempt, non-violent suicide attempt, and violent suicide attempt from broad anorexia nervosa, narrow anorexia nervosa, bulimia nervosa, and eating disorder not otherwise specified.

Females (N=470,499) Males (N=495,642)

Outcome n/N (%) Hazard Ratio (95% CI) n/N (%) Hazard Ratio (95% CI)
Broad Anorexia Nervosa
Death 4/2136 3.1* (1.1, 8.2) 0/188 ne
Suicide Attempt 145/2046 4.8*** (4.1, 5.7) <4/187 2.1 (0.7, 6.6)
Non-violent Attempt 142/2054 4.9*** (4.1, 5.7) <4/187 2.2(0.7, 6.9)
Violent Attempt 22/2124 8.6*** (5.6, 13.1) 0/188 ne

Narrow Anorexia Nervosa
Death <4/1476 1.0 (0.1, 7.4) 0/121 ne
Suicide Attempt 109/1421 4.9*** (4.0, 5.9) <4/121 1.1 (0.2, 7.8)
Non-violent Attempt 105/1425 4.9*** (4.0, 5.9) <4/121 1.1 (0.2, 8.1)
Violent Attempt 14/1471 7.3*** (4.3,12.4) 0/121 ne

Bulimia Nervosa
Death <4/739 5.0* (1.2, 20.3) 0/20 ne
Suicide Attempt 57/642 8.7*** (6.7, 11.2) <4/19 7.4* (1.1, 52.7)
Non-violent Attempt 56/652 8.7*** (6.7, 11.3) <4/20 7.4* (1.0, 52.9)
Violent Attempt 9/722 13.9*** (7.1, 26.9) 0/19 ne

Eating Disorder Not Otherwise Specified
Death 0/1124 ne <4/117 6.5 (0.9, 46.6)
Suicide Attempt 101/995 7.9*** (6.5, 9.6) 4/116 4.6** (1.7, 12.3)
Non-violent Attempt 98/1002 7.9*** (6.5, 9.7) 4/117 4.8** (1.8, 12.7)
Violent Attempt 16/1106 13.3*** (8.1, 21.9) 0/116 ne
*

p<0.05

**

p<0.01

***

p<0.0001

ne=not able to be estimated

Cells with fewer than 1-3 cases are identified as <4

Significant hazard ratio statistics (p < .05) are highlighted in bold.