Table 5.

Phylogenetically estimated sources of HIV-1 acquisition among male and female study participants by age.

	Estimated sources of infection among study participants, based on data excluding same-sex pairs * (mean, 95% credibility interval of posterior density)
	Men 18–24 years	Men 25–59 years	Women 18–24 years	Women 25–59 years
Recipient
Women 18–24 years	34.7% (17.1–55.9%	65.3% (44.1–82.9%)	--	--
Women 25–59 years	27.7% (14.1–45.7%)	72.3% (54.3–85.9%)	--	--
Men 18–24 years	--	--	24.2% (6.3–54.0%)	75.8% (46.0–93.7%)
Men 25–59 years	--	--	32.6% (12.7–59.9%)	67.4% (40.1–87.3%)

Estimated transmission probabilities from a source to recipient location; shown are the mean and corresponding 95% credibility interval of posterior density. Rows sum to 100%.