The study report — titled as “Are New Yorkers Having Safe Sex?” released by the NY Department of Health and Mental Hygiene Tuesday asserts that 40% of New Yorkers with multiple partners didn't use a condom the last time they had sex.

The report, which came just a few months after the city warned about an alarming increase in H.I.V. infections among young gay men, articulates that over one-third — 36 percent — of New York City men who have sex with other men and have had five or more sex partners within the past year do not consistently use condoms.

According to the study, based on a telephone survey of 10,000 residents conducted by the department’s Bureau of Epidemiology Services, 11 percent of New Yorkers, or 610,000 adults, reported having more than one partner in the past year, and men were three times more likely than women to report multiple partners (17 percent vs. 6 percent).

The study found that young adults (18 to 24 years old) were four times as likely as older adults (45 and older) — 25 percent vs. 6 percent — to report having multiple partners. It found that Asian adults were less likely to report having multiple sex partners than any other ethnic or racial group.

The study articulated that New Yorkers with same-sex partners were nearly three times as likely (33 percent versus 13 percent) as those with opposite-sex partners to report having more than one partner in the past year. It found that 5% of New Yorkers who are married or in steady relationships say they’ve had two or more partners in the past year. It disclosed that men who have sex with men were more likely to have five or more sex partners in the past year than men who have sex with only women (23 percent vs. 6 percent).

According to the study, only 60% of New Yorkers with multiple partners reported using a condom the last time they had sex. The proportion was even lower – 43 percent – among New Yorkers who are in committed relationships but have had other partners during the past year. The reported condom use was similar between women and men (62 percent vs. 61 percent). The condom use was reported higher among younger New Yorkers (18 to 24) was higher than among older age groups.