Table 3 Cross-tabulations, sensitivity and specificity, of measured and self-reported BMI for all respondents, males and females, in SLÁN 2007
All Subjects | BMI Groups (Self-report) | ||||
|---|---|---|---|---|---|
Normal | Overweight | Obese | Totals | ||
BMI Groups (Measured) | Normal | 692 (94.3)* | 41 (5.6) | 1 (0.1) | 734 (36) |
Overweight | 248 (30.8) | 531 (66) | 26 (3.2) | 805 (39.5) | |
Obese | 20 (4) | 212 (42.6) | 266 (53.4) | 498 (24.4) | |
Totals | 960 | 784 | 293 | 2037 (100) | |
Specificity | 79.4 | 79.5 | 98.2 | ||
Males | BMI Groups (Self-report) | ||||
Normal | Overweight | Obese | Totals | ||
BMI Groups (Measured) | Normal | 242 (92.4) | 20 (7.6) | 0 (0) | 262 (28.8) |
Overweight | 101 (24.4) | 296 (71.5) | 17 (4.1) | 414 (45.5) | |
Obese | 5 (2.1) | 101 (43.3) | 127 (54.5) | 233 (25.6) | |
Totals | 348 | 417 | 144 | 909 (100) | |
Specificity | 83.6 | 75.6 | 97.5 | ||
Females | BMI Groups (Self-report) | ||||
Normal | Overweight | Obese | Totals | ||
BMI Groups (Measured) | Normal | 450 (95.3) | 21 (4.4) | 1 (0.2) | 472 (41.8) |
Overweight | 147 (37.6) | 235 (60.1) | 9 (2.3) | 391 (34.7) | |
Obese | 15 (5.7) | 111 (41.9) | 139 (52.5) | 265 (23.5) | |
Totals | 612 | 367 | 149 | 1128 (100) | |
Specificity | 75.3 | 82.1 | 98.8 | ||