Table 5.

Linear Regression Analysis for Skinfold Measures Associated with Residual Lung Function Measures by Body Mass Index Group in Boys (n=762)^a

	Normal weight (n=573)						Overweight or obese (n=189)
	Triceps	Biceps	Subscapular	Iliac crest	Medial calf	Sum of 5 skinfolds	Triceps	Biceps	Subscapular	Iliac crest	Medial calf	Sum of 5 skinfolds
FVC (L)
β	−0.0136	−0.0268	0.0038	−0.0035	−0.0114	−0.0023	−0.0295	−0.0304	−0.0157	−0.0125	−0.0186	−0.0052
SE	0.0068	0.0162	0.0151	0.0067	0.0066	0.0022	0.0086	0.0126	0.0050	0.0040	0.0055	0.0015
βstd	−0.1275	−0.1273	0.0243	−0.0490	−0.1185	−0.0896	−0.3869	−0.2701	−0.2582	−0.3264	−0.3003	−0.3608
P	0.0454	0.0983	0.8001	0.5989	0.0829	0.3135	0.0006	0.0155	0.0016	0.0017	0.0008	0.0006
FEV0.75 (L)
β	−0.0125	−0.0203	0.0037	−0.0051	−0.0094	−0.0022	−0.0276	−0.0268	−0.0166	−0.0112	−0.0152	−0.0047
SE	0.0072	0.0144	0.0121	0.0046	0.0053	0.0018	0.0068	0.0094	0.0029	0.0031	0.0045	0.0010
βstd	−0.1421	−0.1165	0.0280	−0.0848	−0.1177	−0.1034	−0.3496	−0.2307	−0.2630	−0.2836	−0.2375	−0.3192
P	0.0810	0.1578	0.7633	0.2709	0.0789	0.2246	0.0001	0.0042	0.0000	0.0003	0.0007	0.0000
FEV1 (L)
β	−0.0135	−0.0249	0.0034	−0.0058	−0.0113	−0.0025	−0.0297	−0.0300	−0.0183	−0.0126	−0.0172	−0.0053
SE	0.0079	0.0159	0.0135	0.0055	0.0062	0.0020	0.0074	0.0101	0.0033	0.0035	0.0048	0.0012
βstd	−0.1441	−0.1342	0.0245	−0.0913	−0.1337	−0.1131	−0.3668	−0.2508	−0.2833	−0.3097	−0.2608	−0.3450
P	0.0879	0.1175	0.8016	0.2870	0.0692	0.2179	0.0001	0.0030	0.0000	0.0003	0.0004	0.0000
FEV1/FVC
β	−0.0009	−0.0013	−0.0006	−0.0011	−0.0007	−0.0003	−0.0020	−0.0023	−0.0018	−0.0008	−0.0010	−0.0004
SE	0.0007	0.0009	0.0012	0.0004	0.0005	0.0001	0.0011	0.0016	0.0007	0.0004	0.0006	0.0002
βstd	−0.0570	−0.0413	−0.0260	−0.0992	−0.0511	−0.0705	−0.1543	−0.1204	−0.1775	−0.1241	−0.0998	−0.1562
P	0.2147	0.1603	0.6160	0.0024	0.1084	0.0445	0.0821	0.1580	0.0067	0.0752	0.0923	0.0151

^aSkinfold measurements are in millimeters (mm).