Exercise

interaction Select the correct option from the lists below.

1. How would you collect baseline data on young people’s sexual behaviour to inform national governement’s policies on sexual and reproductive services for young people?
a) Representative quantitative survey of youth
b) Prospective diary study
c) Focus groups
Check your answer
Please select an answer Yes, because you need national estimates and the survey is the only method that can feasibly used at national level. No, this would be extremely intensive to operate on a national level and you would use a lot of follow up on young people who have not yet had sex and so have little to report. No, this would not give you any nationally representative estimates. They may be used in planning the survey, or afterwards to help interpret some of the quantitative findings.
2. Having decided on the provision of expanded family planning services for young people, national government needs to estimate likely demand amongst 15-24 year olds.  Which of the measures would be the most useful.
a) Number of 15-24 year olds
b) Proportion of 15-24 year olds who have ever had sex
c) Proportion of women who are sexually active, not using contraception and do not want a child in the next two years
Check your answer
Please select an answer No, it is more useful to know the proportion who are sexually active as it is those who potentially need the service. Yes, this gives you the size of the target market for the services provided. No, please try again.
3. You are investigating risk factors for an Chlamydia using prospective survey data.  Which of the following measures would be the most useful?
a)
b)
c)
Check your answer
Please select an answer No, once somebody has first had sex this measure will not change over time, and will not discriminate between individuals with behaviour that puts them at risk of Chlamydia and those without risk behaviours . Yes, this measure will discriminate between those with lots of partners, which may increase their chances of acquiring infection. No, this is a population level summary measures. It may be helpful in assessing which populations may have a large proportion at risk of aquiring infection at a young age, but does not help ascertain why particular people acquire infection.