Among participants with early ART , significant decreases were found between M@ and M@ in sexual activity ( Odds Ratio -LSB- OR -RSB- @ , @ % Confidence Interval -LSB- @ % CI -RSB- @-@ @ ) , multiple partnership ( OR @ , @ % CI @-@ @ ) , unprotected sex ( OR @ , @ % CI @-@ @ ) and risky sex ( OR @ , @ % CI @-@ @ ) .