Table 5 Incidence rate ratios from a negative binomial distribution model of P. perniciosus CDC trap counts

% RH; T(°C)^a

19–40; 27–33

1.00

–

–

19–40; 22–26

0.52

0.20–1.30

0.160

41–60; 22–26

0.44

0.18–1.07

0.071

41–60; 27–33

0.35

0.13–0.95

0.038

61–79; 16–21

0.10

0.04–0.24

< 0.0001

61–79; 22–26

0.17

0.06–0.49

0.001

61–79; 27–33

0.10

0.02–0.40

0.001

Maximum wind speed (m/s)^b

9.87–10.34

1.00

–

–

7.99–8.18

11.87

5.03–28.01

< 0.0001

8.33–9.01

3.27

1.19–8.97

0.021

Building age (years)

0–10

1.00

–

–

30–50

6.01

2.83–12.77

< 0.0001

> 100

9.64

3.94–23.59

< 0.0001