Sampling spots

Time

N^a

Mean

SD

Median

p-value^b

Kitchen

Before

8

3.81

3.25

5.26

0.94

After

8

3.00

1.57

3.05

Bedroom

Before

8

2.99

2.79

2.31

0.84

After

8

2.80

1.77

2.53

Total

Before

8

3.40

2.96

3.81

0.72

After

8

2.90

1.62

2.86