Study estimates incidence of suicidal ideation and suggests factors that put people at risk.

Assessment: People were questioned on presence of suicidal thoughts, defined as positive response to ‘‘Have you ever thought of taking your life, even if you would not really do it?’’ They were also questioned on their age, gender, baseline CIS–R score, marital status, size of primary support group, life events, occupational social class, weekly income, housing tenure, employment status, and substance misuse.