| http://www.w3.org/ns/prov#value | - It may reflect the tendency to use other forms of birth control, such as oral contraceptives, at older ages.1,2,21 Furthermore, older individuals are more likely to be in longer-term, monogamous relationships in which partners perceive less risk of contracting HIV/STI and the use of condoms to be less important.22-24In 2003, 15- to 24-year-olds with one sexual partner in the past year were less li
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