Table 5.

Examples of variables that might be captured in future epidemiological studies, which seek to understand the relationship between suicidal behaviour and poverty

Theoretical models of suicidal behaviour	Psychological constructs which may mediate the relationship between poverty and SIB	Variables
Integrated Motivational Volitional model (O'Connor, 2011)	Feelings of entrapment	Subjective experience of feeling trapped by poverty
Shneidman's (1998) model	Suicidal behaviour as a perceived solution to an insoluble problem	Subjective perception of how suicide is a solution to the real life problems that result from living under conditions of poverty
Interpersonal-psychological theory (Joiner, 2005)	Thwarted belonging.	Subjective experience of thwarted belonging and perceived burdensomeness as a result of living under conditions of poverty.
	Perceived burdensomeness.	Subjective experience of feeling hopeless about any possibility for a change in economic circumstances
	Hopelessness