Table 2

Rate ratios (and 95% CIs) of suicide among the Japanese population according to quartile levels of each of the area-specific characteristics

Quartile 1Quartile 2Quartile 3Quartile 4
Social fragmentation
 UnadjustedRef.0.98(0.95 to 1.01)0.98(0.95 to 1.00)1.02(0.99 to 1.05)
 Adjusted†Ref.0.98(0.95 to 1.00)0.97(0.95 to 1.00)1.00(0.97 to 1.04)
Socioeconomic deprivation
 UnadjustedRef.1.04*(1.01 to 1.06)1.07*(1.05 to 1.10)1.12*(1.09 to 1.15)
 Adjusted†Ref.1.05*(1.03 to 1.07)1.09*(1.06 to 1.12)1.13*(1.10 to 1.17)
Urbanicity
 UnadjustedRef.0.93*(0.90 to 0.96)0.85*(0.83 to 0.88)0.80*(0.78 to 0.83)
 Adjusted†Ref.0.93*(0.90 to 0.95)0.84*(0.82 to 0.87)0.79*(0.77 to 0.82)
  • Quartile 1 refers to the lowest levels of fragmentation, deprivation and urbanicity, and quartile 4 refers to the highest levels.

  • *P<0.05.

  • †Adjustments for the other two area-specific characteristics.

  • CIs, credible intervals; Ref., reference.