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. Author manuscript; available in PMC: 2013 Nov 24.
Published in final edited form as: Am J Phys Anthropol. 2011 Aug 24;146(3):10.1002/ajpa.21586. doi: 10.1002/ajpa.21586

Table 2.

Results of Tobit regression models predicting log-transformed IL-6 (N=1,569).

Model 1 Model 2 Model 3 Model 4
B SE B SE B SE B SE
Female 0.022 0.099 -0.013 0.098 0.032 0.099 0.060 0.100
BMI (kg/m2) 0.039* 0.016 0.043** 0.015
Symptoms of infection (0, 1) 0.424** 0.139 0.431** 0.139
Oral contraception (0, 1) -1.102** 0.396 -1.148** 0.394
Constant -1.414*** 0.334 -0.651*** 0.069 -0.593*** 0.066 -1.557*** 0.334
Model p value <0.05 <0.01 <0.05 <0.001
+

p<0.10;

*

p<0.05;

**

p<0.01;

***

p<0.001

Note: Models 1-3 consider gender as well as the separate associations of adiposity (model 1), pathogen exposure (model 2), and health behavior variables (model 3) shown in bivariate analyses to predict IL-6 at p<0.10. Model 4 considers all variables simultaneously to evaluate their independence in predicting IL-6.