Skip to main content

Table 1 Demographic characteristics of participants

From: Proportions and risk factors of chronic obstructive pulmonary disease and preserved ratio impaired spirometry, and association with small airway disease, in the positive screening older population from China: a cross-sectional study

 

Total

Normal

PRISm

COPD

P-Value

N

2229

345 (15.5%)

141 (6.3%)

1743 (78.2%)

 

Age

  

< 0.05

 60–64

27 (1.2%)

7 (2.0%)

3 (2.1%)

17 (1.0%)

 

 65–69

1178 (52.8%)

176 (51.0%)

68 (48.2%)

715 (41.0%)

 

 ≥ 70

1024 (46.0%)

162 (47.0%)

70 (49.7%)

1011 (58.0%)

 

Gender

    

< 0.05

 male

1706 (76.5%)

228 (66.1%)

96 (68.1%)

1382 (79.3%)

 

 female

523 (23.5%)

117 (33.9%)

45 (31.9%)

361 (20.7%)

 

BMI

  

< 0.05

 < 18.5

132 (6.0%)

19 (5.5%)

8 (5.7%)

105 (6.0%)

 

 18.5–23.9

1299 (58.3%)

195 (56.5%)

63 (44.7%)

1041 (59.7%)

 

 24–27.9

660 (29.5%)

111 (32.2%)

47 (33.3%)

502 (28.8%)

 

 ≥ 28

138 (6.2%)

20 (5.8%)

23 (16.3%)

95 (5.5%)

 

Waistlines

  

< 0.05

 < 90

1686 (75.6%)

264 (76.5%)

97 (68.8%)

1325 (76.0%)

 

 90–99

438 (19.7%)

73 (21.2%)

29 (20.6%)

336 (19.3%)

 

 ≥ 100

105 (4.7%)

8 (2.3%)

15 (10.6%)

82 (4.7%)

 

Education

    

0.233

 never

287 (12.9%)

43 (12.5%)

27 (19.1%)

217 (12.4%)

 

 < 9 years

1932 (86.7%)

301 (87.2%)

114 (80.9%)

1517(87.0%)

 

 ≥ 9 years

10 (0.4%)

1 (0.3%)

0 (0.0%)

9 (0.6%)

 

Family History

     

 yes

519 (23.3%)

72 (20.9%)

28 (19.9%)

419 (24.0%)

0.272

 no

1710 (76.7%)

273 (79.1%)

113 (80.1%)

1324 (76.0%)