Assessing Impact of Household Intervention on Indoor Air Quality and Health of Children with Asthma in the US-Mexico Border: A Pilot Study
Table 2
Geometric means of PM2.5 concentrations between pre- and postintervention for each household.
HH
Total
Bedroom
Kitchen
Living room
Pre
Post
Difference
Pre
Post
Difference
Pre
Post
Difference
Pre
Post
Difference
1
7.91
10.48
2.57
8.61
9.63
1.03
9.61
11.28
1.67
5.51
10.53
5.02
2
19.49
18.38
−1.11
15.36
17.17
1.81
20.11
15.00
−5.11
23.00
22.98
−0.02
3
11.08
10.74
−0.34
12.35
12.26
−0.09
13.23
12.35
−0.88
7367
7.62
−0.05
4
19.46
13.27
−6.19
13.76
11.59
−2.17
21.99
15.67
−6.32
22.62
12.56
−10.06
5
16.39
15.96
−0.43
20.28
17.44
−2.84
15.20
17.69
2.49
13.69
12.76
−0.93
6
15.50
12.81
−2.69
11.00
9.37
−1.63
19.22
16.62
−2.60
16.27
12.45
−3.82
7
14.41
13.50
−0.91
18.00
13.28
−4.72
6.34
7.91
1.57
18.89
19.30
0.41
8
15.19
12.16
−3.03
17.08
13.59
−3.49
16.73
14.22
−2.51
11.77
8.68
−3.09
9
11.58
9.75
−1.83
10.72
7.54
−3.18
12.10
11.47
−0.63
11.93
10.25
−1.68
10
11.25
12.73
1.48
8.90
9.58
0.68
13.96
15.82
1.86
10.89
12.78
1.89
11
19.82
18.34
−1.48
18.21
18.58
0.37
22.34
18.84
−3.50
18.91
17.59
−1.32
12
22.07
16.67
−5.40
23.08
16.25
−6.83
24.50
20.90
−3.60
18.62
12.87
−5.75
13
20.05
23.52
−5.53
35.39
28.81
−6.58
23.41
16.66
−6.75
28.34
25.10
−3.24
Total
16.40
14.48
−1.91
16.36
14.24
−2.13
16.83
14.96
−1.87
16.01
14.27
−1.74
Note. The two-sample t-test and Wilcoxon signed-rank test were used to test the improvement within each household and over 13 households between pre- and postintervention, respectively. Significant at
