Table 4.
Prevalence and odds ratios for individual mental health conditions (standardised by age, gender, and deprivation score). Conditions are ordered by size of odds ratio (largest to smallest)
| Condition | Intellectual disabilities | No Intellectual disabilities | Odds ratio (95 % CI) (standardised by age, gender and deprivation) |
|---|---|---|---|
| total number (prevalence) | total number (prevalence) | ||
| Schizophrenia (and related non-organic psychosis) or bipolar disorder | 448 (5.6) | 12,045 (0.9) | 7.16 (6.49–7.89) |
| Anxiety & other neurotic, stress related & somatoform disorders | 649 (8.1) | 55,077 (3.9) | 2.62 (2.41–2.84) |
| Dementia | 84 (0.8) | 11,612 (1.1) | 2.22 (1.78–2.77) |
| Depression | 1267 (15.8) | 142,676 (10.1) | 1.88 (1.76–2.00) |
| Anorexia or bulimia | 37 (0.5) | 5269 (0.4) | 1.31 (0.95–1.82) p = 0.09 |
| Alcohol misuse | 304 (3.8) | 42,060 (3.0) | 1.18 (1.05–1.33) |
One way analysis of variance
All difference significant at p < 0.001 except where stated