Table 1 Major risk factors associated with suicide

Clinical factors

 Psychiatric disorders (e.g., depression, schizophrenia, alcohol dependency, substance abuse)

 Physical disorders (e.g., cancer, HIV infection)

 History of suicidal attempt

Sociodemographic factors

 Gender (men)

 Age (elderly)

 Unmarried (single, separated, divorced, widowed)

 Component of family members (living board)

 Occupation (including unemployment)

 Socioeconomic status (including low income)

Social life factors

 Poor social welfare in community (e.g., insufficient livelihood protection)

 Meteorological condition (e.g., cold weather, insufficient sunshine, and snowfall)