. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: J Pediatr Gastroenterol Nutr. 2014 Jun;58(6):733–738. doi: 10.1097/MPG.0000000000000313

Table 3. Multiple Logistic Regression Model Predicting High Serum B₁₂ Status Group.

		Hi-B₁₂ Status Group

n=103	Odds ratio	SE	Z	P	95% CI	Pseudo-R²
				<0.001		0.18
B₁₂ supplement intake group, %RDA¹	2.26	0.67	2.78	0.005	1.27-4.03
Age, > 12 years	3.38	1.85	2.23	0.026	1.16-9.87
Sex, female	2.34	1.11	1.80	0.072	0.93-5.93
FEV₁, % predicted	0.98	0.01	−2.18	0.029	0.96-0.99
Constant	0.30	0.47	−0.77	0.441	0.01-6.55

B₁₂ supplementation intake categories, %RDA: category 1 = 0-499; category 2 = 500-999; category 3 = 1000-1499; category 4 = ≥1500

Table 3. Multiple Logistic Regression Model Predicting High Serum B12 Status Group.