Screening migrants at risk of tuberculosis.

The relation between the socioeconomic status of an area and the number of psychiatric admissions is well established * Unemployment rates are a useful marker for socioeconomic deprivation * This study found a sevenfold variation between small areas in the rates ofpeople under 65 admitted to psychiatric hospitals * There was a very powerful correlation between the psychiatric admission ratios in those aged under 65 and unemployment rates, explaining over 90% ofthis variation * This should be considered in the process of allocating resources to areas otherwise people with serious mental illness could be considerably dis- advantaged