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Table 1 Demographic characteristics of suicide deaths in Guangzhou, China, 2003 to 2012

From: The impact of ambient air pollution on suicide mortality: a case-crossover study in Guangzhou, China

Factor

Groups

Suicide deaths (%)

Age group

<65 ages

1058 (68.3)

≥65 ages

492 (31.7)

Gender

Male

880 (56.8)

Female

670 (43.2)

Educational attainmenta

Low

485 (34.1)

High

939 (65.9)

Suicide type

Non-violent suicide

187 (12.1)

Violent suicide

1363 (87.9)

Total

 

1550

  1. aThere were 126 subjects (8.1 %) whose educational attainments were missing, so we calculated the proportion as the number of each category divided by the sum of two education categories