Table 3. Percent change in the coefficient for gender with the addition of each variable in the model.

Variable Socioeconomic	Percent change in coefficient (IRR for sex without new variable, IRR with new variable added to model)
Marital status (married vs not)	-26.9%(1.053, 1.039)
SES (dichotomized at 0)	-17.3%(1.053, 1.044)
Insurance status	+13.4%(1.053, 1.066)
Clinical/Anthropomorphic
Minimum BMI	+36.5%(1.053, 1.074)
Minimum Phosphorus	-13.5%(1.053, 1.047)
Maximum Hemoglobin	+25%(1.053, 1.068)
Minimum Hemoglobin	-40.4%(1.053, 1.032)

SES = socio-economic status, BMI = body mass index.