Cut-off score | Zulu | Afrikaans | Xhosa | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sensitivity | Specificity | PPV | NPV | Correctly classified | Sensitivity | Specificity | PPV | NPV | Correctly classified | Sensitivity | Specificity | PPV | NPV | Correctly classified | |
CES-D-10 | |||||||||||||||
  ≥ 5 | 100.0 | 11.9 | 7.7 | 100.0 | 18.0 | 100.0 | 58.7 | 34.7 | 100.0 | 66.1 | 95.2 | 57.1 | 14.2 | 99.4 | 59.7 |
  ≥ 6 | 100.0 | 20.0 | 8.4 | 100.0 | 25.5 | 98.1 | 63.7 | 37.2 | 99.3 | 69.9 | 95.2 | 68.8 | 18.5 | 99.5 | 70.6 |
  ≥ 7 | 100.0 | 27.0 | 9.2 | 100.0 | 32.0 | 96.2 | 70.0 | 41.3 | 98.8 | 74.7 | 95.2 | 74.5 | 21.7 | 99.5 | 75.9 |
  ≥ 8 | 95.2 | 36.8 | 10.0 | 99.1 | 40.9 | 92.3 | 74.7 | 44.4 | 97.8 | 77.9 | 90.5 | 78.4 | 23.8 | 99.1 | 79.2 |
  ≥ 9 | 90.5 | 46.7 | 11.1 | 98.5 | 49.7 | 88.5 | 77.7 | 46.5 | 96.8 | 79.6 | 85.7 | 83.3 | 27.7 | 98.7 | 83.5 |
  ≥ 10 | 81.0 | 57.5 | 12.3 | 97.6 | 59.2 | 85.5 | 81.0 | 50.0 | 96.5 | 82.0 | 85.7 | 87.2 | 33.3 | 98.8 | 87.1 |
   ≥ 11 | 76.2 | 64.2 | 13.6 | 97.3 | 65.0 | 84.6 | 84.0 | 53.7 | 96.1 | 84.1 | 81.0 | 90.8 | 39.5 | 98.5 | 90.1 |
   ≥ 12 | 71.4 | 72.6 | 16.1 | 97.2 | 72.6 | 80.8 | 86.9 | 57.5 | 95.4 | 85.8 | 81.0 | 91.8 | 42.5 | 98.5 | 91.1 |
   ≥ 13 | 61.9 | 81.8 | 20.0 | 96.7 | 80.4 | 78.9 | 88.2 | 59.4 | 95.0 | 86.5 | 81.0 | 95.0 | 54.8 | 98.5 | 94.1 |
  ≥ 14 | 52.4 | 87.0 | 22.9 | 96.1 | 84.6 | 76.5 | 91.1 | 65.0 | 94.3 | 88.2 | 76.2 | 95.4 | 55.2 | 98.2 | 94.1 |
PHQ-9 | |||||||||||||||
  ≥ 4 | 100.0 | 32.6 | 9.9 | 100.0 | 37.3 | 96.2 | 57.7 | 33.6 | 98.5 | 64.7 | 95.2 | 58.5 | 14.6 | 99.4 | 61.1 |
  ≥ 5 | 100.0 | 44.3 | 11.7 | 100.0 | 48.2 | 92.3 | 65.8 | 37.5 | 97.5 | 70.6 | 95.2 | 68.4 | 18.4 | 99.5 | 70.3 |
  ≥ 6 | 95.2 | 57.1 | 14.1 | 99.4 | 59.7 | 86.5 | 71.4 | 40.2 | 96.0 | 74.1 | 90.5 | 77.0 | 22.6 | 99.1 | 77.9 |
   ≥ 7 | 85.7 | 66.0 | 15.7 | 98.4 | 67.3 | 82.7 | 79.1 | 46.7 | 95.4 | 79.7 | 81.0 | 83.3 | 26.6 | 98.3 | 83.2 |
   ≥ 8 | 66.7 | 73.1 | 15.4 | 96.7 | 72.6 | 77.0 | 82.9 | 50.0 | 94.2 | 81.8 | 81.0 | 87.2 | 32.1 | 98.4 | 86.8 |
  ≥ 9 | 61.9 | 78.0 | 17.3 | 96.5 | 76.9 | 71.2 | 86.3 | 53.6 | 93.1 | 83.6 | 71.4 | 90.8 | 36.6 | 97.7 | 89.4 |
  ≥ 10 | 57.1 | 84.8 | 21.8 | 96.4 | 82.8 | 65.4 | 88.0 | 54.8 | 92.0 | 83.9 | 61.9 | 94.7 | 46.4 | 97.1 | 92.4 |
  ≥ 11 | 47.6 | 89.4 | 25.0 | 95.9 | 86.5 | 57.7 | 90.2 | 56.6 | 90.6 | 84.3 | 47.6 | 96.8 | 52.6 | 96.1 | 93.4 |
  ≥ 12 | 42.9 | 93.6 | 33.3 | 95.7 | 90.1 | 51.9 | 90.6 | 55.1 | 89.5 | 83.6 | 38.1 | 98.2 | 61.5 | 95.5 | 94.1 |