Table 2. Correlates of physical activity energy expenditure (kj/kg/day) among HIV-infected and HIV-uninfected individuals.
| HIV-infected (n = 272) | HIV-uninfected (n = 119) | HIV-infected versus HIV-uninfected | ||
|---|---|---|---|---|
| β (95%CI)a | β (95%CI)a | β difference (95%CI)a | Interaction p value | |
| Body mass indexb (kg/m2) | ||||
| Underweight | -5.4 (-10.4, -0.4) | -1.7 (-16.5, 13.1) | -3.7 (-19.4, 11.9) | |
| Normal | Ref | Ref | Ref | 0.14 |
| Overweight | 3.2 (-2.8, 9.2) | -5.0 (-11.7, 1.8) | 8.2 (-0.8, 17.1) | |
| Waist circumference (cm) | ||||
| Normal | Ref | Ref | Ref | 0.06 |
| Abdominal obesityc | -1.2 (-9.1, 6.7) | -11.4 (-19.1, -3.6) | 10.1 (-0.6, 20.8) | |
| Anaemia | ||||
| No-anaemiad | Ref | Ref | Ref | <0.001 |
| Milde | -5.2 (-10.6, 0.2) | 1.3 (-8.5, 11.03) | -6.5 (-17.7, 4.7) | |
| Moderatef | -13.8 (-18.8, -8.8) | 13.7 (0.5, 26.9) | -27.4 (-41.4, -13.4) | |
| Severeg | -13.8 (-22.5, -5.2) | -12.0 (-31.7, 7.8) | -1.9 (-23.3, 19.6) | |
| CD4 countsb (cells/μL) | ||||
| ≥500 | Ref | Ref | Ref | 0.03 |
| 201–499 | -2.9 (-9.6, 3.9) | -1.2 (-9.6, 7.3) | -1.7 (-12.5, 9.2) | |
| ≤200 | -9.9 (-16.5, -3.3) | 24.0 (-0.7, 48.6) | -33.9 (-59.3, -8.4) | |
| Log CRPb, h(mg/L) | -9.7 (-12.4, -7.0) | -2.7 (-9.3, 3.9) | -7.0 (-14.1, 0.1) | 0.05 |
a Confidence interval;
b Missing data:10 on body mass index, four on CRP, four on CD4 count;
c waist circumference > 102 for men or > 88 for women;
d no anaemia ≥12.0 g/dL for men/≥13 g/dL for women;
e mild anaemia 11.0–11.9 g/dL for men/11.0–12.9 g/dL women;
f moderated anaemia 8.0–10.9 g/dL for men/8.0–10.9 g/dL for women;
g severe anaemia <8.0g/dL for men/<8.0 g/dL for women;
h C-creative protein.