Table 3:

Multivariate linear modeling of hemolysis measures. Differences are considered significant at p<0.001. Reference values were 0 donations, no iron consumption, age < 21, Female, and White race-ethnicity. For continuous measures like ferritin there is no reference value.

	Oxidative Hemolysis		Osmotic Hemolysis		Storage Hemolysis
	beta	p	beta	p	beta	p
Donation Frequency 1-4	−0.7988	0.0016	0.0998	0.7366	−0.008	0.2723
Donation Frequency 5-8	−0.8267	0.0159	−0.7796	0.0477	6.00E-04	0.9492
Donation Frequency 9+	−1.569	< 0.0001	−1.0589	0.0119	0.0222	0.0315
Ferritin	0.0071	< 0.0001	0.0098	< 0.0001	3.00E-04	< 0.0001
Iron Intake Yes	−3.7556	< 0.0001	−1.1919	< 0.0001	−0.0032	0.5911
Age 21-25	0.9787	0.0535	−0.6215	0.3017	0.0237	0.1069
Age 25-30	0.4887	0.3216	−0.6827	0.2414	0.0051	0.7203
Age 30-35	1.0576	0.0361	−0.2312	0.6981	0.0164	0.2608
Age 35-40	1.0243	0.0475	0.3122	0.6105	0.046	0.0021
Age 40-45	1.5454	0.0026	0.285	0.6422	0.0253	0.0917
Age 45-50	0.7283	0.1516	0.9106	0.1282	0.0386	0.0084
Age 50-55	−0.4248	0.3823	0.2013	0.7267	0.0417	0.003
Age 55-60	−1.4726	0.0023	0.3644	0.5223	0.0456	0.0011
Age 60-65	−2.3678	< 0.0001	0.1337	0.8218	0.0261	0.072
Age >= 65	−3.3611	< 0.0001	−0.2263	0.6964	0.0564	< 0.0001
Race African American	−0.0816	0.783	−13.028	< 0.0001	0.021	0.0176
Race Asian	−0.3059	0.3513	−3.2147	< 0.0001	0.0579	< 0.0001
Race Hispanic	0.74	0.0453	−1.228	0.0051	0.0535	< 0.0001
Sex M	1.0175	< 0.0001	4.1337	< 0.0001	0.0435	< 0.0001