Table 2.
Incidence of HIV infection and sexually transmitted infections by BMI
|
At enrolment |
HIV incidence (6.7 per 100 person year, 95% CI: 6.1-7.4 per 100 person year) |
|||||
|---|---|---|---|---|---|---|
| Crude incidence rate per 100 Person Year (95% CI) | p-value† | Unadjusted Hazard Ratio (95% CI) | p-value | Adjusted‡Hazard R (95% CI) | p-value | |
|
Body Mass Index (kg/m2) |
|
<0.001 |
|
|
|
|
| Obese1 |
4.6 (3.8,5.6) |
|
1 |
|
1 |
|
| Overweight2 |
7.8 (6.7,9.0) |
|
1.70 (1.33,2.17) |
<0.001 |
1.36 (1.06,1.75) |
0.015 |
| Normal3 |
8.1 (7.0,9.4) |
|
1.76 (1.38,2.25) |
<0.001 |
1.19 (0.92,1.55) |
0.185 |
| |
|
STI‡‡incidence (15.6 per 100 person year, 95% CI:14.6-16.6 per 100 person year) |
|
|||
|
Body Mass Index (kg/m2) |
|
<0.001 |
|
|
|
|
| Obese1 |
10.9 (9.6,12.3) |
|
1 |
|
1 |
|
| Overweight2 |
16.6 (15.0,18.4) |
|
1.82 (1.55,2.14) |
<0.001 |
1.46 (1.22,1.75) |
<0.001 |
| Normal3 | 19.8 (17.9,21.9) | 1.55 (1.31,1.83) | <0.001 | 1.40 (1.18,1.66) | <0.001 | |
† P value for log rank test.
‡ Age adjusted.
‡‡Chlamydia trachomatis and gonorrhoea.
1 30+ BMI, 2 (25-<30) BMI, 3 (18.6-<25) BMI.