LLN Criterion (FEV1/FVC<LLN) | |||||
---|---|---|---|---|---|
Estimates based on pre- bronchodilator spirometry dataa | Estimates based on pre and post-bronchodilator spirometry datab | ||||
Original exam weights (n = 5532) | Weights adjusted for non-response (n = 5532) | Original exam weights (n = 4986) | Pre-BR and Post-BR weights adjusted for non-response (n = 4986) | Post-BR missing data imputed then Pre-BR weights adjusted for non-response (n = 5532) | |
Overall | 15.0 (0.8) | 15.4 (0.8) | 6.1 (0.5) | 10.2 (0.8) | 10.2 (0.6) |
Mildc | 10.2 (0.5) | 10.2 (0.5) | 4.4 (0.5) | 7.2 (0.7) | 6.5 (0.5) |
Moderate/Moderately Severec | 3.3 (0.3) | 3.4 (0.3) | 0.8 (0.2) | 1.7 (0.4) | 2.2 (0.3) |
Severe/Very Severec | 1.1 (0.2) | 1.2 (0.2) | 0.3 (0.1) | 0.5 (0.1) | 0.8 (0.2) |
Age | |||||
40–59 | 14.0 (1.1) | 14.2 (1.1) | 5.4 (0.6) | 8.3 (1.0) | 8.1 (0.8) |
60–79 | 17.2 (0.8) | 17.8 (.8) | 7.7 (0.7) | 13.8 (1.3) | 14.4 (0.9) |
Gender | |||||
Male | 16.0 (1.0) | 16.5 (1.1) | 8.0 (0.7) | 12.2 (1.0) | 12.0 (0.9) |
Female | 14.1 (1.0) | 14.4 (1.0) | 4.3 (0.6) | 8.4 (1.1) | 8.6 (0.7) |
Race and ethnic origin | |||||
Non-Hispanic white | 16.3 (0.9) | 16.7 (0.9) | 6.8 (0.6) | 10.7 (0.9) | 11.0 (0.8) |
Non-Hispanic black | 14.8 (1.2) | 15.3 (1.3) | 5.8 (0.8) | 11.7 (1.8) | 10.8 (1.2) |
Mexican-American | 8.4 (0.7) | 8.7 (.7) | 1.8 (0.4) | 3.6 (0.8) | 4.2 (0.7) |