Table 2 The association between double kernel density (DKD) of lung and NHL morbidity cancer rates (cases per 100,000) and distance to the revealed exposure sources (Method—multivariate regression, distance variables—linear and quadratic wind-adjusted distance terms)^c

A. Lung cancer

 (Constant)

6.661 (2.591*)

−12.629 (−3.959*)

 Distance

−5.159E−04 (−7.470*)

0.003 (8.235*)

 Distance²

–

−2.620E−07 (−8.159*)

 N of reference points

1000

1000

 \( {\text{R}}^{2} \)

0.393

0.458

 \( {\text{R}}_{\text{adjusted}}^{2} \)

0.386

0.450

 ΔR²

–

0.065

 F change^e

–

36.658*

B. NHL cancer

 (Constant)

9.119 (5.231*)

−9.144 (−4.388*)

 Distance

−2.862E−04 (−5.991*)

0.003 (13.359*)

 Distance²

–

−2.415E−07 (−12.791*)

 N of reference points

1000

1000

 \( {\text{R}}_{{}}^{2} \)

0.242

0.369

 \( {\text{R}}_{\text{adjusted}}^{2} \)

0.234

0.361

 ΔR²

–

0.127

 F change^e

–

92.855*