Table 2

Effect of smoking cessation on depressive disorders in Cox proportional hazards models (including users of smoking cessation medication) for fiscal years 2010–2014 in Fukuoka, Japan

VariablesUnivariateMultivariate
HR95%CIP valueHR95%CIP value
Male0.670.61 to 0.750.0000.860.76 to 0.960.009
Age0.870.83 to 0.920.0000.850.81 to 0.890.000
Standard monthly income0.880.84 to 0.930.0000.920.87 to 0.980.006
Psychiatric medical histories9.228.38 to 10.140.0009.038.20 to 9.940.000
Smoking cessation1.100.94 to 1.290.2121.040.89 to 1.220.595