Table 3. Association of the HTLV seroprevalence according to sex and frequency of donation.

Variables	OR Crude (IC 95%)	OR Adjusted (IC 95%)
Gender (Female / Male)	1.91 (1.23–2.97) **	1.83 (1.18–2.85) **
Donation frequency
First time / Repetitive	2.40 (1.25–4.61) **	2.25 (1.17–4.33) *
Non-Repetitive / Repetitive	2.38 (1.20–4.73) **	2.31 (1.16–4.59) *

*p<0.05.

**p<0.01.