São Paulo (Brazil)

Santiago (Chile)

Mexico City (Mexico)

Montevideo (Uruguay)

Caracas (Venezuela)

Eligible households

1039

773

1065

921

888

Household contact failures

6 (0.6%)

0 (0)

45 (4.2%)

15 (1.6%)

178 (20.0%)

Eligible individuals

1150

1476

1452

1106

1527

Refusals or contact failures

150 (13.0%)

268 (18.2%)

389 (26.8%)

163 (14.7%)

170 (11.1%)

Individuals interviewed

1000 (87.0%)

1208 (81.8%)

1063 (73.2%)

943 (85.3%)

1357 (88.9%)

Eligible for spirometry

984

1175

1017

911

1315

Refusals or contact failures

21 (2.1%)

2 (0.2%)

17 (1.7%)

26 (2.9%)

21 (1.6%)

Spirometric tests performed

963 (97.9%)

1173 (99.8%)

1000 (98.3%)

885 (97.1%)

1294 (98.4%)

Overall responserate (including spirometry)

83.7%

79.5%

68.9%

80.0%

71.7%