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Yong Ma

Researcher at Westat

Publications -  12
Citations -  652

Yong Ma is an academic researcher from Westat. The author has contributed to research in topics: Population & Acquired immunodeficiency syndrome (AIDS). The author has an hindex of 10, co-authored 11 publications receiving 641 citations.

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No change in health risk behaviors over time among HIV infected adolescents in care: role of psychological distress

TL;DR: In this paper, the authors investigated the association of psychological distress and health risk behaviors among HIV-infected adolescents, and found that higher levels of distress would be associated with increased sexual risk behaviors, and increased use of alcohol and drugs.

No change in high-risk behavior over time among HIV-infected adolescents in care Role of psychological distress

TL;DR: Higher levels of depression were associated with frequent alcohol use and with unprotected sex at last intercourse, with depressed adolescents significantly more likely to have had unprotected sex than those who were not depressed.
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Cervical Ectopy in Adolescent Girls with and without Human Immunodeficiency Virus Infection

TL;DR: It was found that adolescent girls with greater numbers of lifetime sex partners were more likely to have mature cervixes (less ectopy), and HIV infection was not independently associated with ectopy.
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Human papillomavirus infection and abnormal cytology of the anus in HIV-infected and uninfected adolescents.

TL;DR: Strong risk factors for abnormal anal cytology were HIV infection and anal HPV in boys and analHPV and higher number of sexual partners for girls and the results suggest that anus cytology screening should be considered in HIV infected homosexual/bisexual males.
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Cervical human papillomavirus incidence and persistence in a cohort of HIV-negative women in Zimbabwe.

TL;DR: The novel association between herpes simplex virus-2 seropositivity and incident HPV infection warrants further investigation because having a high-risk partner is a potentially modifiable risk factor for persistent HPV infection.