Table 1Participants’ characteristics (N = 109).
Variable |
n (%) |
n (%) |
Gender |
Male |
32 |
(29.4) |
Female |
77 |
(70.6) |
|
Smoking status |
Yes |
33 |
(30.3) |
No |
76 |
(69.7) |
|
Nutritional status |
Abnormal |
56 |
(51.4) |
Normal |
53 |
(48.6) |
Table 2The distribution of age, length of stay in the area, and length of daily exposure to indoor PM2.5.
Variable |
Mean |
SD |
Range |
95% CI |
Age (y) |
43 |
13 |
20 – 65 |
40 – 45 |
Length of stay (y) |
33 |
18 |
5 – 65 |
30 – 37 |
Length of exposure (h) |
17 |
5 |
6 – 24 |
16 – 18 |
Table 3Association of adult lung function impairment with gender, smoking status, and nutritional status.
Variable |
Adult lung function Impairment (n = 109) |
cOR |
p
|
|
Yes |
No |
|
n
|
% |
n
|
% |
Gender |
Male |
18 |
56.2 |
14 |
43.8 |
2.8 |
0.03 |
Female |
24 |
31.2 |
53 |
68.8 |
|
Smoking status |
Yes |
18 |
54.5 |
15 |
45.5 |
2.6 |
0.04 |
No |
24 |
31.6 |
52 |
68.4 |
|
Nutritional status |
Abnormal |
19 |
33.9 |
37 |
66.1 |
0.7 |
0.41 |
Normal |
23 |
43.4 |
30 |
56.6 |
Table 4Environmental factors associated with adult lung function impairment.
Variable |
Adult lung function impairment (n = 109) |
cOR |
p
|
|
Yes |
No |
|
n
|
% |
n
|
% |
House ventilation |
Inadequate |
36 |
45.6 |
43 |
54.4 |
3.4 |
0.03 |
Adequate |
6 |
20.0 |
24 |
80.0 |
|
|
|
Mosquito coil |
Yes |
7 |
50.0 |
7 |
50.0 |
1.7 |
0.52 |
No |
35 |
36.8 |
60 |
63.2 |
|
|
|
Temperature |
Not ideal (< 18 °C, > 30 °C) |
15 |
37.5 |
25 |
62.5 |
0.9 |
1.00 |
Ideal (18 °C – 30 °C) |
27 |
29.1 |
42 |
60.9 |
|
|
|
Humidity |
Not ideal (< 40%, > 70%) |
18 |
58.1 |
13 |
41.9 |
3.1 |
0.02 |
Ideal (40% – 70%) |
24 |
30.8 |
54 |
69.2 |
|
|