Table 5.
Univariable logistic regression to determine the effect of demographics, primary ED diagnosis, and psychiatric comorbidities on risk of suicidality
| Variables | No (%) Age=mean±SD |
Suicidality n (% of group) | Unadjusted OR | P value |
| Age (years) | 26.1 (11.0) | 0.98 (0.97–0.99) | <0.001 | |
| Gender % | ||||
| Female | 6635 (91.5%) | 4364 (65.8%) | ref | |
| Male | 613 (8.5%) | 395 (64.4%) | 0.94 (0.79–1.12) | |
| Marital status | ||||
| Single | 5081 (70.1%) | 3476 (72.3%) | ref | |
| Married/partner | 724 (9.98%) | 451 (9.47%) | 0.76 (0.65–0.90) | 0.001 |
| Separate/divorced/widow | 200 (2.76%) | 131 (2.75%) | 0.88 (0.65–1.18) | 0.39 |
| Not known | 1248 (17.7%) | 706 (14.8%) | n/a | n/a |
| Ethnicity | ||||
| White | 6008 (84.5%) | 3907 (84.3%) | 1.59 (1.23–2.10) | <0.001 |
| Black | 344 (4.84%) | 255 (5.5%) | 1.03 (0.77–1.37) | 0.84 |
| South Asian | 219 (3.1%) | 145 (3.13%) | 0.97 (0.79–1.20) | 0.80 |
| Mixed and other | 428 (6.0%) | 276 (5.95%) | 0.76 (0.49–1.17) | 0.21 |
| Unknown | 115 (1.6%) | 52 (1.12%) | n/a | n/a |
| Deprivation Score | ||||
| Group 1 | 2001 (26.9%) | 1300 (27.3%) | ref | |
| Group 2 | 2897 (39.0%) | 1829 (38.9%) | 0.93 (0.83–1.06) | 0.27 |
| Group 3 | 2514 (33.8%) | 1623 (34.1%) | 0.98 (0.86–1.11) | 0.75 |
| Not known | 22 (<1%) | 12 (<1%) | 0.76 (0.31–1.87) | 0.54 |
| Presence of eating disorder | ||||
| AN | 2553 (34.4%) | 1909 (75.5%) | 8.20 (2.17–30.1) | 0.002 |
| BN | 1572 (21.2%) | 1005 (67.7%) | 4.49 (1.48–21.2) | 0.01 |
| EDNOS | 3298 (44.4%) | 1847 (57.2%) | 3.57 (0.94–13.47) | 0.06 |
| Unknown | 11 (<1%) | 3 (<1%) | n/a | n/a |
| All substance misuse | ||||
| None | 2472 (99.3%) | 4570 (95.9%) | ref | |
| Alcohol | 11 (<1%) | 134 (2.81%) | 6.59 (3.56–12.2) | <0.001 |
| Substance misuse | 6 (<1%) | 60 (1.26%) | 5.41 (2.33–12.5) | <0.001 |
| Depression | ||||
| No | 2383 (95.7%) | 3926 (82.4%) | ref | |
| Yes | 106 (4.26%) | 838 (17.6%) | 4.80 (3.90–5.91) | <0.001 |
| Borderline personality disorder | ||||
| No | 2478 (99.6%) | 4268 (89.6%) | ref | |
| Yes | 11 (<1%) | 496 (10.4%) | 26.2 (14.4–47.7) | <0.001 |
| Bipolar disorder | ||||
| No | 2476 (99.5%) | 4542 (95.3%) | ref | |
| Yes | 13 (<1%) | 222 (4.67%) | 9.31 (5.31–16.3) | <0.001 |
| Anxiety | ||||
| No | 2476 (99.5%) | 4669 (98.0%) | ref | |
| Yes | 13 (<1%) | 95 (2.0%) | 3.88 (2.17–6.93) | <0.001 |
| Other personality disorder | ||||
| No | 2472 (99.3%) | 4116 (86.4%) | ref | |
| Yes | 17 (<1%) | 648 (13.6%) | 22.9 (14.1–37.1) | <0.001 |
AN, anorexia nervosa; BN, bulimia nervosa; ED, eating disorder; EDNOS, ED not otherwise specified; n/a, not available.