People who are experiencing major life changes. There are important differences between the methods chosen by males and females. Regional differences in Canada depend in part on the availability of the method. For example, death by firearms is more common in rural areas, where there is increased availability and familiarity with guns. The most common Non-fatal suicide attempts in both sexes are drug overdoses and poisonings .
Suicide rates are higher in spring and fall.
Suicide can occur in 'clusters' within a local area. An imitative or 'copycat' effect is possible for persons who have similar stresses and are the same age, sex and race. People planning to commit suicide often communicate their plans to others. Suicide rates drop slightly prior to major holidays, including Christmas, and then increase afterwards. Usually, an individual has more than one reason for committing or attempting suicide.