Table 2.
Simple Logistic Regression Models for Seronegativity
| Characteristic | Seronegative (n = 104), No. (%) or Mean ± SD | Seropositive (n = 247), No. (%) or Mean ± SD | P Value | Odds Ratio (95% CI) |
|---|---|---|---|---|
| Age, y | 45 ± 12 | 49 ± 12 | .003 | 0.97 (0.95–0.99) |
| Born before 1957 | 6 (6) | 37 (15) | .021 | 0.35 (0.14–0.85) |
| Female sex | 21 (20) | 59 (24) | .452 | 0.81 (0.46–1.41) |
| BMI >25 kg/m2 | 79 (76) | 186 (75) | .896 | 1.04 (0.61–1.77) |
| Race | ||||
| Non-Hispanic White | 61 (59) | 124 (50) | Ref. | Ref. |
| Non-Hispanic Black | 23 (22) | 75 (30) | .098 | 0.62 (0.36–1.09) |
| Other | 20 (19) | 48 (19) | .591 | 0.85 (0.46–1.55) |
| Country of origin outside US | 19 (18) | 49 (20) | .735 | 0.90 (0.50–1.63) |
| CD4 nadir <200 | 42 (40) | 83 (34) | .227 | 1.34 (0.83–2.15) |
| History of opportunistic infections | 26 (25) | 48 (19) | .245 | 1.38 (0.80–2.38) |
| History of malignancy | 6 (6) | 7 (3) | .193 | 2.10 (0.69–6.41) |
| Immunosuppressant medications | 8 (8) | 12 (5) | .300 | 1.63 (0.65–4.12) |
| Duration of HIV, y | 13 ± 9 | 14 ± 9 | .546 | 0.99 (0.97–1.02) |
| HIV transmission viaa | ||||
| Sex | 56 (54) | 128 (52) | Ref. | Ref. |
| Needle/syringe sharing | 5 (5) | 13 (5) | .815 | 0.88 (0.30–2.59) |
| Mother to child | 3 (3) | 1 (0) | .099 | 6.86 (0.70–67.59) |
| Unknown | 40 (38) | 104 (42) | .600 | 0.88 (0.54–1.42) |
| Documented measles immunization | 19 (18) | 27 (11) | .066 | 1.82 (0.96–3.45) |
| Patient recall of measles immunization | 63 (61) | 157 (64) | .598 | 0.88 (0.55–1.41) |
| Prior measles infection (documented or verbal) | 12 (12) | 59 (24) | .011 | 0.42 (0.21–0.82) |
Abbreviation: BMI, body mass index.
aReceiving blood transfusion not included as only 1 patient reported that method.