Table 2.
Anthropometry and lung function according to ethnicity (n=2767).
| White | Black | South Asian | Other | |
|---|---|---|---|---|
| Subjects, N | 664 | 543 | 462 | 232 |
| Test occasions, N | 1000 | 805 | 623 | 339 |
| Age (years) | 8.5 (1.6) | 8.6 (1.6) | 8.5 (1.7) | 8.5 (1.7) |
| Z-scores based on British 1990 reference[27] | ||||
| Weight | 0.37 (1.0) | 1.04 (1.1) | 0.05 (1.3) | 0.48 (1.2) |
| Height | 0.30 (1.0) | 0.93 (1.0) | 0.14 (1.1) | 0.36 (1.1) |
| Sit/Stand height | 0.54 (0.01) | 0.52 (0.02) | 0.53 (0.01) | 0.53 (0.02) |
| Z-scores based on GLI-2012 reference (White)[7] | ||||
| FEV1 | −0.01 (0.9) | −1.29 (0.9) | −0.88 (0.8) | −0.49 (0.9) |
| FVC | 0.15 (0.8) | −1.08 (0.9) | −0.80 (0.8) | −0.32 (0.9) |
| FEV1/FVC | −0.33 (0.8) | −0.43 (1) | −0.17 (0.9) | −0.34 (0.9) |
| Z-scores based on GLI-2012 reference (Ethnic-specific)[7,9] | ||||
| FEV1 | −0.01 (0.9) | −0.12 (0.9) | 0.06 (1.0) | 0.10 (0.9) |
| FVC | 0.15 (0.8) | 0.16 (1.0) | 0.05 (1.0) | 0.41 (1.0) |
| FEV1/FVC | −0.33 (0.8) | −0.54 (1.0) | 0.12 (1.0) | −0.56 (1.0) |
Results are presented as mean (SD), derived directly from published equations