Country | Survey | Sample characteristics* | Dates | Age | Sample size | Response rate, %** | |
---|---|---|---|---|---|---|---|
 |  |  |  |  | Part1 | Part2 |  |
Colombia | NSMH | Stratified multistage clustered area probability sample of household residents in all urban areas of the country (approximately 73% of the total national population). | 2003 | 18-65 | 4,426 | 2,381 | 88 |
Mexico | M-NCS | Stratified multistage clustered area probability sample of household residents in all urban areas of the country (approximately 75% of the total national population). | 2001-2002 | 18-65 | 5,782 | 2,362 | 77 |
USA | NCS-R | Stratified multistage clustered area probability sample of household residents, nationally representative. | 2002-2003 | ≥18 | 9,282 | 5,692 | 71 |
USA | NLAAS (Latino sample) | Stratified multistage clustered area probability sample of household residents, nationally representative of Latino population with special supplements of Puerto Rican and Cuban people. | 2002-2003 | ≥18 | 2,554 | 348 | 76 |