Table 1.
Cross-tabulations, sensitivity and specificity, of measured and self-reported BMI for all respondents, males and females, in SLÁN 1998
|
All Subjects |
BMI Groups (Self-report) |
||||
|
Normal |
Overweight |
Obese |
Totals |
||
| BMI Groups (Measured) |
Normal |
78 (94)* |
5 (6) |
2 (2.2) |
83 (39.9) |
|
Overweight |
20 (24.7) |
61 (75.3) |
9 (8.7) |
81 (38.9) |
|
|
Obese |
0 (0) |
9 (20.5) |
35 (79.5) |
44 (21.2) |
|
| Totals |
98 |
75 |
35 |
208 (100) |
|
|
Specificity |
84 |
89 |
100 |
||
|
Males |
BMI Groups (Self-report) |
||||
|
Normal |
Overweight |
Obese |
Totals |
||
| BMI Groups (Measured) |
Normal |
18 (94.7) |
1 (5.3) |
0 (0) |
19 (28.8) |
|
Overweight |
9 (28.1) |
23 (71.9) |
0 (0) |
32 (48.5) |
|
|
Obese |
0 (0) |
3 (20) |
12 (80) |
15 (22.7) |
|
| Totals |
27 |
27 |
12 |
66 (100) |
|
|
Specificity |
80.9 |
88.2 |
100 |
||
|
Females |
BMI Groups (Self-report) |
||||
|
Normal |
Overweight |
Obese |
Totals |
||
| BMI Groups (Measured) |
Normal |
60 (93.8) |
4 (6.2) |
0 (0) |
64 (45.1) |
|
Overweight |
21 (22.4) |
38 (77.6) |
0 (0) |
49 (34.5) |
|
|
Obese |
0 (0) |
6 (20.7) |
23 (79.3) |
29 (20.4) |
|
| Totals |
71 |
48 |
23 |
142 (100) |
|
| Specificity | 85.9 | 89.2 | 100 | ||
*Sensitivity for normal, overweight and obese categories is represented in parenthesis in bold figures.