From: Longitudinal association of body mass index with lung function: The CARDIA Study
 | Quartiles of baseline BMI *+ | |||
---|---|---|---|---|
 | <21.3 kg/m 2 | 21.3–<23.4 kg/m 2 | 23.4–<26.4 kg/m 2 | ≥ 26.4 kg/m 2 |
2, 5 and 10 year FVC change (p interaction < 0.0001) | Â | |||
Categories of Change in BMI | Q1 | Q2 | Q3 | Q4 |
≤ 0 kg/m2 | 5 (-14 – 24) | 32 (14 – 49) | 49 (32 – 67) | 22 (4 – 40) |
0.1–0.9 kg/m2 | 15 (1 – 30) | 22 (8 – 37) | 22 (8 – 37) | 15 (0 – 31) |
1–2.4 kg/m2 | 53 (38 – 67) | 19 (4 – 33) | -13 (-27 – 2) | -63 (-80 – -46) |
2.5–5.9 kg/m2 | 65 (46 – 83) | 1 (-17 – 18) | -69 (-85 – -53) | -146 (-161 – -130) |
≥ 6 kg/m2 | 5 (-37 – 46) | -96 (-132 – -60) | -178 (-208 – -148) | -264 (-286 – -243) |
2, 5, and 10 year FEV 1 change (p interaction < 0.0001) | Â | Â | Â | Â |
Categories of Change in BMI | Q1 | Q2 | Q3 | Q4 |
≤ 0 kg/m2 | -38 (-56 – -19) | -18 (-35 – -2) | -5 (-21 – 11) | -11 (-22 – 6) |
0.1–0.9 kg/m2 | -31 (-45 – -17) | -24 (-38 – -10) | -22 (-36 – -8) | -30 (-45 – -16) |
1–2.4 kg/m2 | -30 (-44 – -16) | -60 (-73 – -46) | -66 (-80 – -52) | -81 (-97 – -64) |
2.5–5.9 kg/m2 | -54 (-71 – -36) | -95 (-111 – -78) | -121 (-137 – -106) | -136 (-151 – -121) |
≥ 6 kg/m2 | -110 (-149 – -70) | -147 (-181 – -112) | -201 (-230 – -173) | -216 (-236 – -195) |
2, 5, and 10 year FEV 1 /FVC change (p interaction < 0.0001) | Â | Â | Â | Â |
Categories of Change in BMI | Q1 | Q2 | Q3 | Q4 |
≤ 0 kg/m2 | -0.96 (-1.30 – -0.63) | -1.03 (-1.33 – -0.74) | -0.99 (-1.29 – -0.70) | -0.70 (-1.01 – -0.40) |
0.1–0.9 kg/m2 | -1.03 (-1.28 – -0.78) | -1.03 (-1.28 – -0.78) | -1.01 (-1.26 – -0.75) | -1.01 (-1.27 – -0.74) |
1–2.4 kg/m2 | -1.85 (-2.10 – -1.61) | -1.71 (-1.95 – -1.46) | -1.24 (-1.49 – -0.98) | -0.68 (-0.97 – -0.39) |
2.5–5.9 kg/m2 | -2.59 (-2.91 – -2.28) | -2.18 (-2.47 – -1.89) | -1.55 (-1.82 – -1.27) | -0.51 (-0.78 – -0.25) |
≥ 6 kg/m2 | -3.30 (-4.01 – -2.59) | -2.10 (-2.72 – -1.48) | -1.60 (-2.12 – -1.08) | -0.11 (-0.48 – 0.26) |