Keyphrases
HIV Infection
100%
Young Men Who Have Sex with Men
100%
Sexually Transmitted Infections
100%
Very Young
100%
Related Risk Factors
100%
Infection Risk Factors
100%
Infection Rate
60%
Young MSM
60%
Confidence Interval
60%
HIV Incidence
40%
Non-white
40%
Chicago
20%
United States
20%
Racial-ethnic Minorities
20%
High Incidence
20%
Men Who Have Sex with Men
20%
Race-ethnicity
20%
HIV Epidemic
20%
HIV-positive
20%
Cox Proportional Hazards Regression
20%
Multivariate Analysis
20%
Recent HIV Infection
20%
HIV Testing
20%
Young Men
20%
HIV Risk
20%
New Infections
20%
Infection-related
20%
Concurrency
20%
Respondent-driven Sampling
20%
Kaplan-Meier Method
20%
White Race
20%
Data Analyzing
20%
Partner Characteristics
20%
Infection Infection
20%
24-month Follow-up
20%
Incident Infection
20%
Sexually Transmitted Infection Testing
20%
Sexual Concurrency
20%
Medicine and Dentistry
Human Immunodeficiency Virus
100%
Human Immunodeficiency Virus Infection
100%
Men Who Have Sex with Men
100%
Infection
37%
Multivariate Analysis
12%
Kaplan Meier Method
12%
Human Immunodeficiency Virus Risk Behavior
12%
HIV Test
12%
Proportional Hazards Model
12%
Sexually Transmitted Infection
12%
Mathematics
Confidence Interval
100%
Proportional Hazards Model
33%
Median Age
33%
Focal Point
33%
Proportional Hazard Regression
33%
Kaplan-Meier
33%
Longitudinal Study
33%
Multivariate Analysis
33%
Agricultural and Biological Sciences
Risk Factor
100%
Human Immunodeficiency Virus
100%
Confidence Interval
21%
Longitudinal Study
7%
Multivariate Analysis
7%