|
Variables
|
Number (%)
|
Pulmonary function parameters
|
|---|
|
ΔFVC (%)
|
P value
|
ΔFEV1 (%)
|
P value
|
ΔFEV1/FVC(%)
|
P value
|
ΔPEF (%)
|
P value
|
ΔFEF (25–75)(%)
|
P value*
|
|---|
|
Age
|
|
< 35 years old
|
162 (53.1%)
|
7.76 ± 1.95
|
0.52
|
7.60 ± 2.05
|
0.86
|
5.16 ± 0.43
|
0.49
|
10.72 ± 0.35
|
0.31
|
17.6 ± 6.70
|
0.14
|
|
≥ 35 years old
|
143 (46.9%)
|
7.75 ± 1.37
| |
8.40 ± 2.20
| |
5.25 ± 0.83
| |
11.7 ± 1.65
| |
21.4 ± 9.96
| |
|
Sex
|
|
Male
|
290 (95.1%)
|
7.7 ± 1.63
|
0.63
|
8.01 ± 2.06
|
0.56
|
5.3 ± 0.60
|
0.81
|
10.97 ± 0.98
|
0.87
|
19.76 ± 8.42
|
0.46
|
|
Female
|
15 (4.9%)
|
9 ± 2.6
|
7.04 ± 3.26
|
2.8 ± 0.93
|
15.25 ± 0.53
|
13.75 ± 8.66
|
|
BMI
|
|
≤ 25
|
158 (51.8%)
|
8.3 ± 0.98
|
0.10
|
8.06 ± 1.72
|
0.37
|
5.12 ± 0.94
|
0.26
|
12.66 ± 0.16
|
0.06
|
18.22 ± 6.95
|
0.23
|
|
> 25
|
147 (48.2%)
|
7.05 ± 2.43
|
7.23 ± 2.55
|
5.27 ± 0.27
|
9.25 ± 2.18
|
20.08 ± 9.60
|
|
Smoking
|
|
Yes
|
43 (14.1%)
|
7.9 ± 1.4
|
0.005
|
9.95 ± 1.20
|
0.003
|
6.20 ± 0.35
|
0.70
|
14.4 ± 0.82
|
0.30
|
33.20 ± 10.60
|
0.40
|
|
No
|
262 (85.9%)
|
7.62 ± 2.20
|
7.5 ± 2.70
|
5.03 ± 0.66
|
10.60 ± 1.25
|
16.30 ± 7.85
|
|
History of allergic disease
|
|
Yes
|
45 (14.8%)
|
8.40 ± 1.90
|
0.86
|
8.50 ± 1.90
|
0.84
|
5.60 ± 0.73
|
0.058
|
12.50 ± 0.50
|
0.75
|
16.30 ± 6.20
|
0.45
|
|
No
|
260 (85.2%)
|
7.70 ± 1.65
| |
7.90 ± 2.15
| |
5.10 ± 0.85
| |
11 ± 10.4
| |
20.02 ± 8.06
| |
- BMI body mass index, FVC forced vital capacity, FEV1 forced expiratory volume, PEF peak expiratory flow, FEF (25–75) forced expiratory flow at 25 and 75% of the pulmonary volume; Values are the mean ± standard deviation. Δ; differences between before and after of shift-work
- *Paired t-test and ANOVA
