Table 2. Risk factors for sub-optimal vitamin B-12 among adult HIV-infected ART naïve individuals at two urban HIV clinics in Uganda, in April 2010.

Predictor variable	Unadjusted OR	95% CI	P-value	Adjusted OR	95% CI	P-value
Age	1.0	0.9–1.04	0.42	1.0a	0.9–1.0	0.75
Female	1.4	0.7–2.7	0.30	1.7a	0.8–3.9	0.19
Irritable Mood	2.2	1.1–4.6	0.03	2.5 a	1.1–5.6	0.03
Supplement use	0.7	0.4–1.3	0.25	0.7a	0.4–1.3	0.30
WHO Stage III & IV	0.8	0.4–1.9	0.7	1.0a	0.4–2.4	0.93
Occupation (Employed)	1.7	0.8–3.6	0.13	1.7a	0.7–4.0	0.21
Current CD4	1.0	0.9–1.0	0.90	1.0a	0.9–1.0	0.50
BMI	1.1	0.9–1.2	0.07	1.0a	0.9–1.1	0.30
Known duration with HIV	1.1	1.0–1.3	0.08	1.0a	1.0–1.1	0.24
Anemia	0.4	0.1–1.6	0.21	0.4a	0.2–1.5	0.20
MCV	1.0	0.9–1.1	0.08	1.0a	0.9–1.1	0.50
Rate of CD4 decline	1.0	0.9–1.0	0.32	1.0b	0.9–1.0	0.24

^aAdjusted for age, sex, BMI, supplement use, MCV, occupation, irritable mood, known duration with HIV, WHO disease stage and current CD4.

^bAdjusted for,age, sex, BMI, WHO stage, supplement use.

BMI- Body Mass Index, MCV-Mean Corpuscular Volume, OR Odds Ratio, WHO-World health Organization.