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Table 1 Items used for classification in NPA’s suicide statistics, 2010

From: Gender differences in suicide attempters: a retrospective study of precipitating factors for suicide attempts at a critical emergency unit in Japan

Major category

Sub-classification

Family problems

Parent–child relations, marital relations, relations with other family members, death in the family, pessimism over family’s future, scolding from family members, worries about parenting, abuse, exhaustion from nursing or care, others

Health problems

Disease, depression, schizophrenia, alcohol dependence, drug abuse, other mental disorders, physical handicaps, others

Financial problems

Bankruptcy, business slump, redundancy, failure to find employment, poverty, debts (accumulated loans), debts (joint liability), debts (others), repayment pressure from creditors, insurance paid by suicide, others

Work problems

Failure in business, workplace relationship, unwanted transfer, work overload, others

Love problems

Marriage problems, broken heart, worries about adultery, trouble with boyfriend or girlfriend, others

School problems

Entrance examinations, career decisions, academic failure, relationship with teachers, bullying, relationship with schoolmates, others

Other problems

Having ones’ crime revealed, crime victim, suicide over someone’s death, loneliness, relationship with neighbors, others