Condom use.

<p>Condom use.</p

Sexual behavior.

<p>Sexual behavior.</p

HIV/AIDS awareness and knowledge.

<p>HIV/AIDS awareness and knowledge.</p

Perceived ability to choose to use a condom and predictors of condom use at last sexual encounter.

<p>Perceived ability to choose to use a condom and predictors of condom use at last sexual encounter.</p

Signs and symptoms associated with acute HIV infection.

*<p>Odds Ratio adjusted for repeated measures.</p><p>Note: Signs and symptoms reported with <5% frequency in the AHI cases or p>0.15 were omitted. These included splenomegaly, anal ulcers, swollen joints, gingivitis, observed fever, aseptic meningitis, peripheral neuropathy, conjunctivitis, hepatomegaly, photophobia, parasthaesia, retro-orbital headache and neck stiffness.</p

Unadjusted and adjusted analysis of signs and symptoms associated with acute HIV Infection.

*<p>Model for behavioural and demographic factors adjusted for age in years, relationship status, education and age at sexual debut (data not shown), while model for symptoms and signs adjusted for sore throat, rash, loss of appetite, weight loss, genital ulcers and vaginal discharge.</p>**<p>Risk score model adjusting for age, sore throat, rash, loss of appetite, weight loss, genital ulcers and vaginal discharge.</p

Baseline demographic and behavioural characteristics of South African women at high risk of HIV acquisition stratified by HIV status [25].

#<p>Acute HIV Infection.</p

Signs and symptoms according to HIV diagnostic test.

*<p>Fisher’s Exact test.</p

Sensitivity and Specificity for different number of signs and symptoms.

*<p>POCT: point of care test.</p

Haematologic parameters and median viral load prior to infection and by post-infection month.

<p>Normal values are as follows: Hb 12.0–16.5 g/dl, MCV 76–99 fl, MCH 26–34 pg, RDW 11–16%. (*Note: The post-seroconversion visit refers to the first visit after identification of acute infection and was at a median of 41.5 days post-infection (range 15–104). Also, since acute infections were identified at different time points, not all participants have data at each month post-infection.)</p