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Table 2 Normative data of the PHQ-9 in the general Korean population

From: Normative data and psychometric properties of the Patient Health Questionnaire-9 in a nationally representative Korean population

 TotalMen Women 
 n = 10,75919–29
n = 522
30–39
n = 792
40–49
n = 827
50–59
n = 812
60–69
n = 815
70–79
n = 630
80-
n = 145
Total
n = 4543
19–29
n = 727
30–39
n = 1101
40–49
n = 1106
50–59
n = 1197
60–69
n = 1042
70–79
n = 809
80-
n = 234
Total
n = 6216
M2.742.372.571.981.961.902.112.402.173.883.372.642.923.354.023.873.29
SEM.0.040.10.090.10.090.110.090.280.050.140.090.090.10.110.160.260.05
Sum ScorePercentile                
035.335.234.441.845.451.849.245.641.520.323.733.231.234.736.134.529.3
151.453.350.960.061.965.263.156.458.033.839.450.851.3.48.046.745.645.0
263.168.864.273.972.772.971.364.770.046.751.664.962.059.452.450.756.5
372.878.674.482.381.583.081.077.579.857.361.873.671.268.161.964.066.1
478.882.080.785.886.586.385.582.284.266.273.280.177.773.368.367.773.7
583.986.786.989.790.690.987.784.988.774.779.785.582.177.771.671.179.2
687.890.689.292.092.593.191.289.091.380.885.089.087.582.377.878.884.4
790.393.091.594.093.794.593.092.193.284.989.491.589.484.780.183.487.5
892.394.792.796.195.495.694.794.194.887.291.794.391.287.482.785.189.8
993.895.794.596.996.296.295.795.495.989.593.395.793.390.185.487.991.9
1095.096.895.997.696.796.796.395.896.792.594.396.094.592.287.788.993.3
1195.997.796.498.397.596.996.896.497.394.196.096.595.193.089.690.994.5
1296.798.097.098.798.297.397.695.897.995.497.197.395.793.991.792.695.5
1397.498.498.599.098.797.998.096.498.596.797.497.696.695.293.093.696.4
1497.999.199.099.299.498.098.098.099.097.097.898.097.196.393.894.496.9
1598.499.399.299.299.698.798.299.499.298.498.198.497.997.195.095.997.7
1698.799.599.399.499.698.998.599.499.398.998.398.598.297.696.096.198.1
1799.099.599.699.899.699.298.599.499.599.198.598.998.998.197.197.698.6
1899.299.699.699.899.699.498.699.499.699.498.998.999.098.798.097.998.9
1999.499.699.699.899.699.698.8100.099.699.799.399.199.399.198.798.399.2
2099.599.799.899.899.699.699.0100.099.799.799.599.399.699.498.898.999.4
2199.799.7100.099.899.699.699.2100.099.7100.099.599.699.799.799.199.699.7
2299.899.7100.099.899.999.999.9100.099.9100.099.799.699.999.799.199.699.7
2399.8100.0100.0100.099.999.999.9100.099.9100.099.999.799.999.799.2100.099.8
2499.9100.0100.0100.0100.099.9100.0100.0100.0100.099.999.999.999.899.5100.099.9
2599.9100.0100.0100.0100.099.9100.0100.0100.0100.099.9100.0100.099.899.5100.099.9
2699.9100.0100.0100.0100.099.9100.0100.0100.0100.099.9100.0100.099.899.5100.099.9
27100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
  1. Values are presented as unweighted frequency, weighted percentile rank, and weighted mean (SEM)