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From:
Published online 2012 February 17. doi: 10.3389/fonc.2012.00014

Table 2

Crude and adjusted beta-coefficients and P-values for the association of demographic characteristics and body mass index with creatinine-adjusted 1-hydroxypyrene glucuronide levels in urinea.

CharacteristicsWinter
Summer
Crude βPAdjusted β 1PAdjusted β 2PCrude βPAdjusted β 1P
Age, yearsb−0.0400.68−0.0480.63−0.1120.26−0.0550.57−0.0620.52
PLACE OF RESIDENCE
UrbanReferenceReferenceReferenceReferenceReference
Rural−0.0350.72−0.1210.29−0.1110.320.0340.73−0.0370.74
ETHNICITY
Non-TurkmenReferenceReferenceReferenceReferenceReference
Turkmen0.0840.390.1370.250.1150.320.0770.430.0980.38
EDUCATION
No schoolReferenceReferenceReferenceReferenceReference
Some school−0.0210.83−0.0290.820.0320.79−0.0600.53−0.0890.45
Body mass index (kg/m2)b0.2130.030.1320.200.1300.19−0.0370.70−0.0060.96

aBeta-coefficients and P-values come from linear regression models, in which Cr-adjusted 1-OHPG level was in logarithmic scale. Adjusted β 1: results were adjusted for other variables listed in the table and frequency of second-hand smoke exposure over the previous 24 h (none; 1–2; ≥3 cigarettes/day) in the respective season. Adjusted β 2: results from winter were additionally adjusted for red meat (none; 1–24; ≥25 g) and processed meat (no use, any use) consumption over the previous 24 h.

bMean (SD).