Table 3.
Rural–Urban Patterns in First-Episode Psychosis Incidence Rate Ratios by Ethnic Group
| Broad ethnicity | Rurala | Urbana | ||||||
|---|---|---|---|---|---|---|---|---|
| N | % | aIRR | (95% CI) | N | % | aIRR | (95% CI) | |
| White, British | 339 | 80.3 | Ref | 156 | 65.8 | Ref | ||
| White, non-British | 33 | 7.8 | 1.03 | (0.71–1.48) | 30 | 12.7 | 1.01 | (0.68–1.50) |
| Black ethnicities | 12 | 2.8 | 3.19 | (1.79–5.70) | 19 | 8.0 | 5.18 | (3.20–8.37) |
| Pakistani and Bangladeshi | 28 | 6.6 | 3.08 | (1.62–5.85) | 19 | 8.0 | 2.01 | (1.10–3.66) |
| Other ethnicities | 10 | 2.4 | 1.29 | (0.88–1.91) | 13 | 5.5 | 0.84 | (0.52–1.37) |
| LRT P value for interaction | .32 | |||||||
Note: aIRR, adjusted incidence rate ratio for age group, sex, their interaction, SES, and neighborhood-level multiple deprivation. Bold denotes P ≤ .05.
aBased on a dichotomous cut-off of 8000 people per square mile, corresponding to the distinction between rural areas and major towns and cities in the catchment area.