Table 3

ORs for depression severity defined as PHQ-9 scores ≥5 and ≥10 in patients with diabetes classified by stage of nephropathy

 PHQ-9 scores ≥5PHQ-9 scores ≥10
Model 1Model 2Model 1Model 2
OR95% CIp ValueOR95% CIp ValueOR95% CIp ValueOR95% CIp Value
Stage of diabetic nephropathy
 1 (reference)1.001.001.001.00
 21.240.96 to 1.610.1001.140.85 to 1.520.3851.190.80 to 1.740.3731.080.72 to 1.640.703
 32.061.41 to 3.00<0.0011.551.01 to 2.360.0452.461.55 to 3.91<0.0011.971.17 to 3.340.011
 42.481.89 to 3.27<0.0012.211.59 to 3.07<0.0012.271.60 to 3.22<0.0012.191.43 to 3.35<0.001
 5 (dialysis)3.232.36 to 4.44<0.0012.871.91 to 4.32<0.0013.802.65 to 5.44<0.0013.392.13 to 5.39<0.001
 5 (transplantation)2.171.18 to 4.000.0131.670.85 to 3.290.1352.911.44 to 5.910.0032.281.04 to 5.000.039
 Age (per 10 years)0.760.70 to 0.83<0.0010.810.72 to 0.91<0.001
 Gender (men vs women)0.700.58 to 0.86<0.0010.720.55 to 0.950.017
 HbA1c (per 1.0%)1.151.06 to 1.24<0.0011.221.11 to 1.35<0.001
 Type of diabetes (type 2 vs 1)1.000.73 to 1.381.0000.900.59 to 1.360.610
 Oral hypoglycemic agents (yes vs no)1.491.17 to 1.890.0011.391.01 to 1.920.042
 Injections (yes vs no)1.160.92 to 1.470.2050.990.72 to 1.360.937
 Antihypertensive agents (yes vs no)1.040.84 to 1.300.7100.780.58 to 1.070.122
 Antilipemic agents (yes vs no)1.070.87 to 1.310.5401.270.96 to 1.670.101
 Retinopathy (yes vs no)1.241.01 to 1.530.0391.451.09 to 1.920.010
 Neuropathy (yes vs no)2.361.91 to 2.91<0.0012.621.90 to 3.61<0.001
 Cardiac disease (yes vs no)1.461.11 to 1.930.0071.360.95 to 1.950.094
 Stroke (yes vs no)1.891.00 to 3.540.0491.990.96 to 4.140.065
 Gangrene (yes vs no)1.830.79 to 4.240.1561.480.62 to 3.550.378
  • ORs were estimated using a multivariate logistic model with stage 1 diabetic nephropathy as the reference group.

  • HbA1c, glycated hemoglobin; PHQ-9, Patient Health Questionnaire-9.