Table 4.

Exterior and interior RF power densities by distance and elevation, Lookout Mountain, Golden, Colorado [μW/cm² (no. of subjects)].

	Elevation quartile
Distance to transmitter	1	2	3	4	p-Value, 1 vs. 4
Exterior average
≤ 1 km	2.79 (27)	2.76 (21)	4.54 (7)	3.10 (7)	0.87
> 1–2 km	0.59 (18)	0.84 (27)	0.86 (29)	1.51 (43)	0.03
> 2–3 km	0.04 (18)	0.07 (20)	0.12 (21)	1.37 (15)	< 0.01
> 3 km	0.04 (7)	0.01 (1)	0.05 (13)	0.32 (4)	0.03
p-Value, ≤ 1 vs. > 3 km	< 0.001	< 0.001	< 0.001	0.001
Interior house average
≤ 1 km	1.21 (27)	1.10 (21)	1.95 (7)	0.56 (7)	0.10
> 1–2 km	0.34 (18)	0.60 (27)	0.44 (29)	0.67 (43)	0.03
> 2–3 km	0.05 (18)	0.07 (20)	0.07 (21)	0.34 (15)	< 0.01
> 3 km	0.03 (7)	0.03 (1)	0.03 (13)	0.06 (4)	0.32
p-Value, ≤ 1 vs. > 3 km	< 0.001	< 0.001	< 0.001	< 0.001