Teenage boys reported using a condom use 79 percent of the time during the last 10 times they had intercourse with a girl, while teen girls reported using a condom 58 percent of those encounters, the study found.
But condom use declines with age, and by the time people reach 50, only one in five men and one in four women uses a condom, the study found.
The data was compiled by researchers at the University of Indiana, who documented the sexual experiences and condom use -- or not -- of 5,865 Americans aged 14 to 94.
The drop in condom use is not due to a lack of sexual activity among older Americans, because Americans are sexually active "well into old age (80+)", according to the study, which was funded by a condom maker.
Read more at http://www.bilerico.com/2014/03/no_young_gay_men_are_more_likely_to_use_condoms.php#KdPKqCMszzjsyVSD.99