Abstract:
OBJECTIVES:To compare methods for estimating low HIV incidence among persons who inject drugs. METHODS:We examined 4 methods in New York City, 2005 to 2014: (1) HIV seroconversions among repeat participants, (2) increase of HIV prevalence by additional years of injection among new injectors, (3) the New York State and Centers for Disease Control and Prevention stratified extrapolation algorithm, and (4) newly diagnosed HIV cases reported to the New York City Department of Health and Mental Hygiene. RESULTS:The 4 estimates were consistent: (1) repeat participants: 0.37 per 100 person-years (PY; 95% confidence interval [CI] = 0.05/100 PY, 1.33/100 PY); (2) regression of prevalence by years injecting: 0.61 per 100 PY (95% CI = 0.36/100 PY, 0.87/100 PY); (3) stratified extrapolation algorithm: 0.32 per 100 PY (95% CI = 0.18/100 PY, 0.46/100 PY); and (4) newly diagnosed cases of HIV: 0.14 per 100 PY (95% CI = 0.11/100 PY, 0.16/100 PY). CONCLUSIONS:All methods appear to capture the same phenomenon of very low and decreasing HIV transmission among persons who inject drugs. Public Health Implications. If resources are available, the use of multiple methods would provide better information for public health purposes.
journal_name
Am J Public Healthjournal_title
American journal of public healthauthors
Des Jarlais DC,Arasteh K,McKnight C,Feelemyer J,Campbell AN,Tross S,Smith L,Cooper HL,Hagan H,Perlman Ddoi
10.2105/AJPH.2015.303019subject
Has Abstractpub_date
2016-03-01 00:00:00pages
503-8issue
3eissn
0090-0036issn
1541-0048journal_volume
106pub_type
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