Table 2.
Consistency between self-reported disease diagnosis and clinical assessment.
| Diseases | Self-report diagnosis | Clinical assessment | Agreement (95% CI), % | Sensitivity (95% CI), % | Specificity (95% CI), % | Under-reporting (95% CI), % | Over-reporting (95% CI), % | |
|---|---|---|---|---|---|---|---|---|
| + | − | |||||||
| Goiter | + | 5 | 19 | 97.74 (97.45, 98.03) | 14.07 (13.38, 14.75) | 99.12 (98.93, 99.30) | 85.93 (85.25, 86.62) | 0.88 (0.70, 1.07) |
| − | 31 | 2,217 | ||||||
| Hyperuricemia | + | 54 | 76 | 83.55 (82.82, 84.28) | 16.06 (15.34, 16.78) | 95.93 (95.54, 96.31) | 83.94 (83.22, 84.66) | 4.07 (3.69, 4.46) |
| − | 294 | 1,848 | ||||||
| Thyroid nodules | + | 65 | 45 | 89.81 (89.21, 90.40) | 27.11 (26.24, 27.98) | 97.68 (97.38, 97.97) | 72.89 (72.02, 73.76) | 2.32 (2.03, 2.62) |
| − | 181 | 1,981 | ||||||
| Hyperlipidemia | + | 359 | 490 | 62.13 (61.18, 63.08) | 49.84 (48.86, 50.82) | 67.89 (66.98, 68.81) | 50.16 (49.18, 51.14) | 32.11 (31.19, 33.02) |
| − | 373 | 1,050 | ||||||
| Diabetes | + | 166 | 0 | 92.92 (92.41, 93.42) | 50.92 (49.94, 51.90) | 100.00 (99.82, 100.00) | 49.08 (48.10, 50.06) | 0.00 (0.00, 0.18) |
| − | 163 | 1,943 | ||||||
| Hypertension | + | 370 | 0 | 90.30 (89.72, 90.88) | 62.57 (61.62, 63.52) | 100.00 (99.79, 100.00) | 37.43 (36.48, 38.38) | 0.00 (0.00, 0.21) |
| − | 222 | 1,680 | ||||||
| Hypothyroidism | + | 33 | 38 | 97.57 (97.26, 97.87) | 68.43 (67.51, 69.34) | 98.23 (97.97, 98.49) | 31.57 (30.66, 32.49) | 1.77 (1.51, 2.03) |
| − | 16 | 2,185 | ||||||
| Hyperthyroidism | + | 28 | 12 | 99.24 (99.06, 99.41) | 84.88 (84.18, 85.58) | 99.45 (99.31, 99.60) | 15.12 (14.42, 15.82) | 0.55 (0.40, 0.69) |
| − | 5 | 2,227 | ||||||
+, positive; −, negative; CI, confidence interval.