Clinical Characteristics at Index Self-Harm Episode
| Characteristic | Self-Harm Cohort, No. (%) (n = 30,017) | Comparison Cohort, No. (%) (n = 600,258) |
|---|---|---|
| General practitioner visits in past 12 mo | ||
| 0 visits | 2,395 (8.0) | 152,795 (25.5) |
| 1–2 visits | 5,217 (17.4) | 168,467 (28.1) |
| 3–5 visits | 6,935 (23.1) | 143,100 (23.8) |
| ≥6 visits | 15,470 (51.5) | 135,896 (22.6) |
| Mental health history | ||
| Psychiatric diagnosis | 16,513 (55.0) | 126,301 (21.0) |
| Referral to mental health services | 8,506 (28.3) | 39,653 (6.6) |
| Psychotropic drug prescribed | 20,377 (67.9) | 191,874 (32.0) |
| Alcohol misuse | 2,069 (6.9) | 4,352 (0.7) |
| Physical health history | ||
| Asthma | 5,860 (19.5) | 91,830 (15.3) |
| Cancer | 308 (1.0) | 4,854 (0.8) |
| Coronary heart disease | 348 (1.2) | 3,729 (0.6) |
| Chronic kidney disease | 114 (0.4) | 1,400 (0.2) |
| Chronic obstructive pulmonary disease | 193 (0.6) | 1,453 (0.2) |
| Diabetes | 849 (2.8) | 8,896 (1.5) |
| Hypertension | 1,455 (4.8) | 23,653 (3.9) |
| Stroke | 202 (0.7) | 1,400 (0.2) |
| Smoking status | ||
| Never smoked | 9,545 (36.7) | 286,547 (58.9) |
| Current smoker | 13,507 (52.0) | 134,538 (27.7) |
| Ex-smoker | 2,936 (11.3) | 65,306 (13.4) |
| Unknown | 4,029 (−) | 113,867 (−) |