|
Gender, (female, n (%))
|
3252 (67.6)
|
1973 (64.6)
|
1279 (72.7)
|
|
Age (years)
|
53.1 (13.0)
|
53.0 (13.3)
|
53.3 (12.4)
|
|
Age (years), n (%)
| | | |
|
18-44
|
1256 (26.1)
|
796 (26.1)
|
460 (26.2)
|
|
45-59
|
2068 (43.0)
|
1315 (43.1)
|
753 (42.8)
|
|
60-80
|
1488 (30.9)
|
942 (30.9)
|
546 (31.0)
|
|
Education, n (%)
| | | |
|
Primary school or illiteracy
|
1219 (25.3)
|
644 (21.1)
|
575 (32.7)
|
|
Middle school
|
1655 (34.4)
|
1067 (34.9)
|
588 (33.4)
|
|
High school
|
1338 (27.8)
|
965 (31.6)
|
373 (21.2)
|
|
University or college or higher
|
600 (12.5)
|
377 (12.3)
|
223 (12.7)
|
|
Income (Yuan/year)
#
, n (%)
| | | |
|
≤39999
|
2642 (54.9)
|
1856 (60.8)
|
786 (44.7)
|
|
40000-119999
|
1886 (39.2)
|
1104 (36.2)
|
782 (44.5)
|
|
≥120000
|
201 (4.2)
|
57 (1.9)
|
144 (8.2)
|
|
Missing, n (%)
|
83 (1.7)
|
36 (1.2)
|
47 (2.7)
|
|
Current smoker, n (%)
|
795 (16.5)
|
597 (19.2)
|
198 (11.3)
|
|
Current drinker, n (%)
|
666 (13.8)
|
537 (17.6)
|
129 (7.3)
|
|
Physical activity, (yes, n (%))
|
2346 (48.8)
|
1353 (44.3)
|
993 (56.4)
|
|
BMI (kg/m
2
)
|
24.0 (3.5)
|
24.1 (3.4)
|
23.7 (3.5)
|
|
Waist circumference (cm)
|
818.7 (97.6)
|
820.9 (97.7)
|
814.8 (97.3)
|
|
Blood pressure (mmHg)
| | | |
|
Systolic blood pressure
|
131.5 (20.3)
|
131.0 (20.5)
|
132.4 (20.0)
|
|
Diastolic blood pressure
|
77.4 (15.0)
|
76.6 (16.8)
|
78.7 (11.2)
|
|
Missing, n (%)
|
60 (1.2)
|
37 (1.2)
|
23 (1.3)
|
|
Exhaled carbon monoxide (μg/L)
|
7.7 (9.9)
|
8.5 (11.0)
|
6.3 (7.4)
|
|
Missing, n (%)
|
27 (0.6)
|
0 (0%)
|
27 (1.5)
|
|
Exhaled nitrogen oxide (ppb)
|
24.9 (17.3)
|
27.2 (16.3)
|
20.9 (18.4)
|
|
Missing, n (%)
|
228 (4.7)
|
121 (4.0)
|
107 (6.1)
|
|
Lung function
| | | |
|
FVC (ml)
|
2479.6 (698.9)
|
2566.5 (711.7)
|
2327.9 (649.0)
|
|
FEV1 (ml)
|
2159.4 (610.7)
|
2200.8 (615.1)
|
2087.2 (596.4)
|
|
FEV1/FVC (%)
|
87.5 (8.9)
|
86.9 (9.2)
|
89.9 (7.7)
|
|
Missing, n (%)
|
107 (2.2)
|
62 (2.0)
|
45 (2.6)
|
|
Heart rate variable
| | | |
|
TP (msec2)
|
809.4 (461.8, 1413.8)
|
818.0 (464.8, 1413.6)
|
798.8 (450.9, 1417.3)
|
|
LF (msec2)
|
218.8 (107.1, 418.4)
|
219.0 (107.7, 426.2)
|
218.8 (106.3, 406.2)
|
|
HF (msec2)
|
119.7 (56.4, 250.8)
|
125.8 (59.9, 259.9)
|
110.8 (51.1, 234.6)
|
|
Missing, n (%)
|
315 (6.5)
|
203(6.6)
|
112(6.4)
|
