Spirometry (z-scores) | Girls (low n = 65; high, n = 16) | Boys (low n = 67, high n = 17) | p-interaction | ||||
---|---|---|---|---|---|---|---|
Β | s.e. | p | β | s.e. | p | ||
FEV 1 | Â | Â | Â | Â | Â | Â | Â |
 GSTP1%m low | Ref | – | – | Ref | – | – |  |
 GSTP1%m high | −0.26 | 0.29 | 0.38 | −0.56 | 0.29 | 0.05 | 0.37 |
FVC | Â | Â | Â | Â | Â | Â | Â |
 GSTP1%m low | Ref | – | – | Ref | – | – |  |
 GSTP1%m high | −0.14 | 0.28 | 0.61 | −0.31 | 0.31 | 0.32 | 0.53 |
FEV 1 /FVC | Â | Â | Â | Â | Â | Â | Â |
 GSTP1%m low | Ref | – | – | Ref | – |  |  |
 GSTP1%m high | −0.15 | 0.23 | 0.51 | −0.38 | 0.33 | 0.26 | 0.67 |
FEF 25–75 |  |  |  |  |  |  |  |
 GSTP1%m low | Ref | – | – | Ref | – | – |  |
 GSTP1%m high | −0.26 | 0.27 | 0.34 | −0.54 | 0.28 | 0.06 | 0.54 |