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Table 1 Incident Rate Ratio (“IRR”) of suicide rates

From: Suicide rates in China, 2004–2014: comparing data from two sample-based mortality surveillance systems

Variables IRR (95% CI) P
Years* 0.93 (0.92, 0.93) <.0001
Age groups* 1.29 (1.28, 1.30) <.0001
Sex (ref = male) <.0001
 Female 0.79 (0.75, 0.83)  
Residence (ref = urban) <.0001
 Rural 1.93 (1.84, 2.03)  
Source (ref = MOH-VR) 0.04
 CDC-DSP 1.18 (1.13, 1.24)  
Residence*Source 0.0003
 Urban CDC-DSP (ref = Urban MOH-VR) 1.08 (1.00, 1.16)  
 Rural CDC-DSP (ref = Rural MOH-VR) 1.29 (1.21, 1.38)  
  1. Year, age, sex and residence specific suicide rates from the MOH-VR and CDC-DSP Systems are compared in Table 1. Years and age groups are continuous variables. Years range from “1 = 2004” to “9 = 2012” and age groups range from “1 = 10–15 years” to “16 = 85+ years”