Table 1.
NCS-A sample disposition
| Household | Un-blinded School |
Blinded School |
Total | |||||
|---|---|---|---|---|---|---|---|---|
| % | (n) | % | (n) | % | (n) | % | (n) | |
| I. Adolescents | ||||||||
| Interview | 85.9 | (904)a | 81.8 | (8,912) | 22.3 | (332) | 75.6 | (10,148) |
| Refusal | 11.3 | (119) | 14.7 | (1,604) | 76.4 | (1137) | 21.3 | (2,860) |
| Circumstantial | 2.4 | (25) | 1.9 | ( 211) | 2.9 | (13) | 1.9 | ( 249) |
| No contact | 0.4 | (4) | 1.5 | ( 165) | 0.4 | (6) | 1.3 | (175) |
| II. Parents | ||||||||
| Full questionnaire | 52.4 | (551)b | 52.4 | (5,703) | 15.9 | (237) | 48.3 | (6,491) |
| Short-form questionnaire |
18.5 | (195)b | 16.0 | (1,744) | 3.7 | ( 55) | 14.8 | (1,994) |
| Either | 70.9 | (746) | 68.4 | (7,447) | 19.6 | (292) | 63.0 | (8,485) |
| (n) | (1,052) | (10,892) | (1,488) | (13,432) | ||||
a
Twenty-five of the household survey respondents were not students. The remaining 879 are students.
b
Fifteen of the parents who completed a questionnaire (8 full questionnaire, 7 short-form questionnaire) were the parents of adolescents who were not students.