Table 2.

Lifetime prevalence of suicide attempts for individuals with HD

First author	Location	Time frame	n	Attempting suicide, %
Brothers [15]	Australia	1953–	133	5.3
Dewhurst [20]	UK	1954–	102	9.8
Hayden [14]*	South Africa	circa 1976	500	4.8
Farrer [10]	USA	not reported	831	17.7
Paulsen [25, 30]	North America, Europe, Australia	1980–1983	2,835	10.3
Alonso [13]	Mexico	1973–2008	691	6.2

This table outlines studies of suicide attempts in HD. The varied time frames, locations, and methods of ascertainment for these studies hinders any composite figures.

^*Used threshold of severe attempts necessitating hospitalization.