Association between air flow limitation and body composition in young adults

Table 3 Relationship of anthropometric and body composition variables with indicators of airway obstruction in the total sample

	FEV₁	FEF_25–75%	Raw(cmH₂O/L/s)	sRaw(cmH₂O*s)
Total sample
BMI (kg/m²)	r = − 0.044^a	− 0.038^a	0.628^a	0.552^a
BMI (kg/m²)	p = 0.688	0.726	< 0.0001	< 0.0001
%BF	r = − 0.540^a	− 0.375^a	0.723^a	0.519^a
%BF	p = < 0.0001	0.0005	< 0.0001	< 0.0001
%FFM	r = 0.096^a	0.047^a	− 0.156^a	− 0.1507^a
%FFM	p = 0.386	0.670	0.157	0.173
Males
BMI (kg/m²)	r = − 0.092^a	− 0.073^a	0.700^a	0.617^a
BMI (kg/m²)	p = 0.569	0.653	< 0.0001	< 0.0001
%BF	r = − 0.087^a	0.044^a	0.728^a	0.607^a
%BF	p = 0.593	0.783	< 0.0001	< 0.0001
%FFM	r = − 0.056^a	− 0.112^a	− 0.341^a	− 0.392^a
%FFM	p = 0.729	0.490	0.031	0.012
Females
BMI (kg/m²)	r = 0.081^b	0.066^a	0.574^b	0.551^b
BMI (kg/m²)	p = 0.601	0.674	0.0001	0.0001
%BF	r = 0.100^b	− 0.100^a	0.4662^b	0.517^b
%BF	p = 0.520	0.522	0.001	0.0004
%FFM	r = 0.136^b	0.119^a	− 0.011^b	0.026^b
%FFM	p = 0.383	0.443	0.943	0.867

BMI body mass index (kilograms divided by the square of the height in meters), BF body fat, FFM free fat mass, FEV₁ volume that has been exhaled at the end of the first second of forced expiration, FEF_25–75% forced expiratory flow 25–75%; RAW airway resistance, sRAW specific airway resistance, cmH₂O/L/s centimeters of water divided liters divided seconds, cmH₂O*s centimeters of water per second,
^aSpearman correlation
^bPearson correlation

ISSN: 1880-6805