Table 4.

Genotype distribution and analysis results of the association between multiple myeloma and IL-6rα, Los-Angeles County, 1999–2002

Genotype distribution of IL-6rα, Los-Angeles County, 1999–2002
IL-6rα	Case	Relative-Control	Case/relative used for Cozen et al.
DD	55	50	36/39
DA+AA	55+11	37+14	46/43
Missing	29	11	68/30
Total	150	112	150/112
Odds Ratio estimates for the association of IL-6rα and the risk of multiple myeloma
Method	OR	ASE	95% CI
CCA	1.80	0.464	(0.70, 4.50)
SMI	2.95	0.174	(2.10, 4.16)
MMI1	1.92	0.219	(1.25, 2.95)
MMI2	2.14	0.191	(1.47, 3.42)
MI	2.08	0.171	(1.49, 2.91)

ASE, asymptotic standard error; CI, confidence interval; CCA, complete case analysis adjusted for education level, BMI, and age as in Cozen et al., 2006; SMI, single missing indicator; MMI, modeled missing indicator; MMI1, MMI with interaction between missing indicator and gender; MMI2, MMI with interaction between missing indicator and race (white/black); MI, multiple imputation.

Note: From the total of 112 pairs CCA uses 82 complete pairs