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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Health Phys. 2009 Aug;97(2):132–144. doi: 10.1097/HP.0b013e3181ac4c15

Table 4.

Spearman correlation coefficients and p-values under zero-correlation null hypothesis between airborne and deposited measurements by smoking status

Deposited radon progeny
Environment Airborne measurements 218Po 214Po
Nonsmoking
(48)		 Short-term 222Rn 0.58
<.0001		 0.73
<.0001
Long-term 222Rn 0.62
<.0001		 0.75
<.0001
Unattached PAEC 0.61
<.0001		 0.64
<.0001
Attached PAEC 0.20 0.1701 0.11 0.4417
Pdose 0.59
<.0001		 0.61
<.0001
Jdose 0.53
<.0001		 0.53 0.0001
Deposited 218Po 0.58
<.0001
Smoking (24) Short-term 222Rn 0.06
0.7789		 0.56
0.0047
Long-term 222Rn 0.28
0.1808		 0.70
0.0001
Unattached PAEC −0.14
0.5288		 0.51
0.0109
Attached PAEC 0.14
0.5022		 0.22
0.3015
Pdose −0.04
0.8655		 0.51
0.0116
Jdose −0.04
0.8655		 0.51
0.0116
Deposited 218Po 0.26
0.2279