1.1 Which of the following measures of mortality is a good indicator of the overall health status of a population

3.8 Selection of controls is one of the issues in cohort studies

3.9 Cross sectional studies are useful in informing the planning and allocation of health resources

VRAAG 2:  Deur na die basis en vlakke te kyk, benoem elke 3-D voorwerp. Skryf slegs die letter en die benaming neer. 2.1 A – (1)   B – (1)   C – (1)   D – (1) 2.2 Noem een verskil en een ooreenkoms tussen voorwerp B en D. 2.2.1 Een verskil –  (1) 2.2.2 Een ooreenkoms –  (1)

3.5 Studies attempting to explain disease occurrence are often referred to as analytic studies

7. The following table shows data from an epidemiological study obtained after a 10 year period of follow up.     Cervical cancer No cervical cancer Total Smokers 80 10 100 Non smokers 20 90 100 Total 100 100 200     7.1 State with reason the type of study this was most likely to be? (3) 7.2 Determine if smoking was associated with cervical cancer, show it by way of calculation and interpretation of results (8) 7.3 What limitation/s would you anticipate in this type of study  (3)

1.9 What is the correct order of studies from the LOWEST to the HIGHEST in the hierarchy of causality? A – Cross sectional, B – Intervention, C – Cohort, D – Case control

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3.3 The purpose of randomisation is to ensure that the  baseline characteristics of the study  groups are  as similar as possible at the start of a clinical trial

3.2 Prospective studies can use observations that have been recorded in the past.