Participants | No ILA (n=3216, 61%) | Indeterminate ILA status (n=1726, 32%) | ILA (n=378, 7%) | P value |
Mean age (95% CI) | 75.9 (75.7 to 76.1) | 77.4 (77.1 to 77.6) | 77.8 (77.2 to 78.3) | 3.4×10−9 |
Women, n (%) | 1910 (59) | 962 (56) | 172 (46) | 3.1×10−7 |
Mean BMI (95% CI) | 27.2 (27.0 to 27.3) | 26.8 (26.6 to 27.0) | 27.1 (26.6 to 27.5) | 0.60 |
History of smoking, n (%) | 1750 (54) | 1021 (59) | 271 (72) | 1.1×10−10 |
Median pack-years (IQR) | 0 (0–16) | 2.5 (0–22.5) | 11.0 (0–28.5) | 3.5×10−16 |
Current smoker, n (%) | 374 (12) | 205 (12) | 69 (18) | 0.0003 |
Activities of daily living | ||||
Independence in all five ADLs, n (%) | 2422 (75) | 1191 (69) | 251 (66) | |
Independence in four ADLs, n (%) | 434 (13) | 253 (15) | 65 (17) | |
Independence in three or less ADLs, n (%) | 336 (10) | 259 (15) | 54 (14) | |
Health status | ||||
Health described as ‘excellent’, n (%) | 742 (23) | 368 (21) | 70 (19) | |
Health described as ‘very good’, n (%) | 480 (15) | 225 (13) | 38 (10) | |
Health described as ‘good’, n (%) | 1010 (31) | 512 (30) | 109 (29) | |
Health described as ‘fair’, n (%) | 813 (25) | 503 (29) | 128 (34) | |
Health described as ‘poor’, n (%) | 166 (5) | 114 (7) | 31 (8) | |
Physical activity in the past 12 months | ||||
No or rare physical activity, n (%) | 1914 (60) | 1115 (65) | 258 (68) | |
Weekly physical activity, n (%) | 1263 (39) | 580 (34) | 108 (29) |
P values comparing participants without ILA and participants with ILA.
ADLs, activities of daily living; BMI, body mass index; ILA, interstitial lung abnormalities.