Table 1.
Overall Quality of Interview and Section-specific Quality (N = 2,490), Spain, June 1998–June 2001
| Quality of Information | Overall Interview |
Section |
||||||||||
| Sociodemographics |
Smoking |
Occupational History |
Residential History |
Medical History |
||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| Unsatisfactory | 26 | 1 | 19 | 1 | 13 | 1 | 20 | 1 | 13 | 1 | 12 | 1 |
| Questionable | 176 | 7 | 71 | 3 | 213 | 9 | 252 | 10 | 139 | 6 | 136 | 5 |
| Reliable | 1,823 | 76 | 1,712 | 71 | 1,699 | 70 | 1,698 | 71 | 1,742 | 73 | 1,738 | 73 |
| High | 390 | 16 | 613 | 25 | 486 | 20 | 421 | 18 | 488 | 20 | 495 | 21 |
| Missing/don't know/missing section | 75 | 75 | 79 | 99 | 108 | 109 | ||||||