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Understanding Sexually Transmitted Infections (STI):The Canadian Context  Alexander McKay, Ph.D. Research Coordinator The Sex Information & Education  Council of Canada (SIECCAN)
Understanding Sexually Transmitted Infections (STI): The Canadian Context ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sexually Transmitted Infections Basic but commonly misunderstood information
The 5 Most Common STIs in Canada Are: ,[object Object],[object Object],[object Object],[object Object]
How Common are STI in Canada? ,[object Object],[object Object],[object Object]
Most Cases of STI are Asymptomatic (no visible signs or symptoms) ,[object Object],[object Object],[object Object]
Bacterial Versus Viral STI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reportable Versus Non-Reportable STI Reportable = cases reported to Provincial Ministries of Health/Public Health Agency of Canada ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Three Ways the Occurrence of STIs is Described: Rates, Incidence, & Prevalence ,[object Object],[object Object],[object Object]
STI Statistics in Perspective ,[object Object],[object Object],[object Object]
Chlamydia: Canada’s Most Important STI?
Chlamydia: Key Facts ,[object Object],[object Object],[object Object]
Chlamydia: Key Facts ,[object Object],[object Object],[object Object],[object Object]
Chlamydia: Key Facts ,[object Object],[object Object],[object Object],[object Object]
Reported Genital Chlamydia Rates Per 100,000, Canada, 1991-2004
Trends in Canadian Teen Pregnancy and Chlamydia Rates, 1991-2003
Chlamydia — Rates: Total and by sex: United States, 1986–2005 Note: As of January 2000, all 50 states and the District of Columbia had regulations requiring the reporting of chlamydia cases.
Chlamydia — Median state-specific   positivity among 15- to 24-year-old women tested in family planning clinics, 1997–2005 Note: As of 1997, all 10 Health and Human Services (HHS) regions, representing all 50 states, the District of Columbia, and outlying areas, reported chlamydia positivity data.
Factors Influencing Reported Chlamydia Rates  ,[object Object],[object Object]
Chlamydia: What Do We Know? ,[object Object],[object Object],[object Object]
HIV/AIDS in Canada  (HIV/AIDS Epi Update; Public Health Agency of Canada) ,[object Object],[object Object],[object Object]
HIV/AIDS in Canada  (HIVAIDS Epi Update: Public Health Agency of Canada) ,[object Object],[object Object]
HIV/AIDS in Canada (HIV/AIDS Epi Update: Public Health Agency of Canada) Estimated Exposure Category Distributions (%) of New HIV Infections
Preventing STI Through Enhanced Condom Use ,[object Object],[object Object],[object Object]
How Effective are Condoms in Reducing the Risk of STI Transmission? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Condom Use and Public Health ,[object Object],[object Object]
[object Object]
Canadian Youth, Sexual Health and HIV/AIDS Study Percentage of Canadian Grade 9 and 11 Students Who Have Had Intercourse At Least Once, 1989, 2002
Average Age of First Intercourse: 2003 Canadian Community Health Survey 16.5 Years
Canadian Youth, Sexual Health  and HIV/AIDS Study Number of Sexual Partners Among Grade 11 Students Who Have Ever Had Intercourse, 1989, 2002 (%)
B.C. Adolescent Health Survey 2003  (McCreary Centre Society)  Condom Use at Last Intercourse, 1998 & 2003
Canadian Youth, Sexual Health and HIV/AIDS Study, 2002  Protective Measures at Last Intercourse, Grade 9 (%)
Canadian Youth, Sexual Health and HIV/AIDS Study, 2002  Protective Measures at Last Intercourse, Grade 11 (%)
Canadian Youth, Sexual Health and HIV/AIDS Study, 2002 Condom/Pill Use at Last Intercourse, Grade 9&11 (%)
B.C. Adolescent Health Survey 2003 ( McCreary Centre Society ) Condom Use at Last Intercourse, Ages 14 & 18
Canadian Youth, Sexual Health and HIV/AIDS Study Top Four Reasons Females Give for Not Using Condoms at last Intercourse, Grade 9 & 11 (%)
Serial Monogamy = Multiple, Sequential, Monogamous (presumed) Relationships  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reducing Chlamydia by Increasing/Maintaining Condom Use in Ongoing Relationships: An IMB Approach to Intervention ,[object Object],[object Object],[object Object]
[object Object],[object Object]

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Understanding STI's: The Canadian Context

  • 1. Understanding Sexually Transmitted Infections (STI):The Canadian Context Alexander McKay, Ph.D. Research Coordinator The Sex Information & Education Council of Canada (SIECCAN)
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  • 3. Sexually Transmitted Infections Basic but commonly misunderstood information
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  • 11. Chlamydia: Canada’s Most Important STI?
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  • 15. Reported Genital Chlamydia Rates Per 100,000, Canada, 1991-2004
  • 16. Trends in Canadian Teen Pregnancy and Chlamydia Rates, 1991-2003
  • 17. Chlamydia — Rates: Total and by sex: United States, 1986–2005 Note: As of January 2000, all 50 states and the District of Columbia had regulations requiring the reporting of chlamydia cases.
  • 18. Chlamydia — Median state-specific positivity among 15- to 24-year-old women tested in family planning clinics, 1997–2005 Note: As of 1997, all 10 Health and Human Services (HHS) regions, representing all 50 states, the District of Columbia, and outlying areas, reported chlamydia positivity data.
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  • 23. HIV/AIDS in Canada (HIV/AIDS Epi Update: Public Health Agency of Canada) Estimated Exposure Category Distributions (%) of New HIV Infections
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  • 28. Canadian Youth, Sexual Health and HIV/AIDS Study Percentage of Canadian Grade 9 and 11 Students Who Have Had Intercourse At Least Once, 1989, 2002
  • 29. Average Age of First Intercourse: 2003 Canadian Community Health Survey 16.5 Years
  • 30. Canadian Youth, Sexual Health and HIV/AIDS Study Number of Sexual Partners Among Grade 11 Students Who Have Ever Had Intercourse, 1989, 2002 (%)
  • 31. B.C. Adolescent Health Survey 2003 (McCreary Centre Society) Condom Use at Last Intercourse, 1998 & 2003
  • 32. Canadian Youth, Sexual Health and HIV/AIDS Study, 2002 Protective Measures at Last Intercourse, Grade 9 (%)
  • 33. Canadian Youth, Sexual Health and HIV/AIDS Study, 2002 Protective Measures at Last Intercourse, Grade 11 (%)
  • 34. Canadian Youth, Sexual Health and HIV/AIDS Study, 2002 Condom/Pill Use at Last Intercourse, Grade 9&11 (%)
  • 35. B.C. Adolescent Health Survey 2003 ( McCreary Centre Society ) Condom Use at Last Intercourse, Ages 14 & 18
  • 36. Canadian Youth, Sexual Health and HIV/AIDS Study Top Four Reasons Females Give for Not Using Condoms at last Intercourse, Grade 9 & 11 (%)
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