Table 1.
Socio-demographic status, depressive symptoms, inflammatory cytokines and pulmonary function of study participants aged 55 years and over
| N, mean | %, ±SD | |
|---|---|---|
| Total |
2077 |
|
| Sex |
|
|
| Male |
763 |
36.7 |
| Female |
1314 |
63.3 |
| Age (year, M ± SD) |
66.30 |
± 7.78 |
| Smoking |
|
|
| Never smoker |
1638 |
78.9 |
| Past smoker |
247 |
11.9 |
| Present smoker |
192 |
9.2 |
| BMI, mean (SD) |
23.61 |
3.68 |
| Chronic inflammatory diseases |
1400 |
67.4 |
| Cardiovascular disease |
1279 |
61.6 |
| Diabetes |
318 |
15.3 |
| Rheumatoid arthritis |
254 |
12.2 |
| Chronic kidney disease |
11 |
0.5 |
| Osteoporosis, and others |
67 |
3.2 |
| No. of chronic inflammatory diseases |
1.31 |
1.22 |
| GDS Score(M ± SD) |
1.07 |
± 2.02 |
| GDS <5 |
1964 |
94.6 |
| GDS ≥ 5 |
113 |
5.4 |
| C-reactive protein (g/dL) |
|
|
| Mean ± SD |
22.95 |
± 55.1 |
| Median, inter-quartile values |
9.65 |
4.26, 19.64 |
| Low CRP (≤9.65) |
1206 |
58.1 |
| High CRP (>9.65) |
871 |
41.9 |
| IL-6 (pg/ml) |
|
|
| Mean ± SD |
3.19 |
± 6.73 |
| Median, inter-quartile values |
2.00 |
2.00, 2.50 |
| Low IL-6 (≤2.00) |
1338 |
64.4 |
| High IL-6 (>2.00) |
739 |
35.6 |
| FEV1 (litre, years, M ± SD) |
1.81 |
± 0.56 |
| FEV1 % Predicted (M ± SD) |
99.22 |
± 23.4 |
| FEV1/FVC% predicted (M ± SD) |
86.43 |
± 13.3 |
| FEV1% predicted <80%, n (%) |
374 |
18.0 |
| FEV1/FVC% predicted <70.0% | 296 | 14.3 |