Table 2.

Correlates of TFV Concentrations Consistent with Protection in Hair Samples

Characteristic	OR (95% CI), p-value	aOR (95% CI), p-value
Age (per decade)	1.42 (1.02–2.00), p 0.04	1.30 (0.92–1.83), p 0.14
African American vs. other	0.83 (0.18–3.80), p 0.81
Depressed (PHQ2 scale)	0.84 (0.40–1.72), p 0.63
Site (versus San Francisco)
Miami	0.31 (0.09–1.05), p 0.06	0.45 (0.13–1.60), p 0.22
Washington DC	1.39 (0.60–3.20), p 0.44	1.53 (0.64–3.6), p 0.34
Receptive condomless anal intercourse (yes vs no, last 3 months)	1.99 (1.11–3.60), p 0.021	2.28 (1.19–4.40), p 0.01
Living situation (unstable vs not, last 3 months)	0.36 (0.14–0.89), p 0.026	0.38 (0.15–0.97), p 0.04
Using amphetamines (yes vs. no, last 3 months)	3.09 (1.18–8.10), p 0.022	2.59 (0.97–6.9), p 0.06