Table 2

Logistic regression analysis: ever tested for B₁₂ deficiency

	OR	95% CI	P value
Age	1.46	1.402 to 1.514	<0.001
AfricanAmerican	0.85	0.793 to 0.918	<0.001
Malabsorption syndromes	3.64	3.064 to 4.334	<0.001
Male	0.76	0.705 to 0.813	<0.001
Proton pump inhibitor use	1.64	1.519 to 1.771	<0.001

Bold values are statistically significant.