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Chapter: 1 / Q: 101
A village has a total 100 under-five children. The coverage with measles vaccine in this age group is 60% (assuming the efficacy of vaccine to be 100%). Following the occurrence of a measles case in a child after a visit outside, twenty- six children developed measles. The secondary attack rate o
Chapter: 1 / Q: 102
In an epidemiological study the incidence of disease in females is more than that of males but the prevalence is equal in both. It indicates:
Chapter: 1 / Q: 103
Which one of the following is the Odds ratio, calculated from the given data?
Chapter: 1 / Q: 104
A total of 300 newly diagnosed patients with laryngeal cancer are allocated to treatment with either surgical excision alone or surgical excision plus radiation treatment. What is the study design?
Chapter: 1 / Q: 105
An analysis of the race of patients who visit an emergency room reveals that 40% are white, 25% are black, 20% are Native American, and 15% are Asian. These data would best be depicted graphically with a
Chapter: 1 / Q: 106
A study was conducted in America to find out the proportion of blacks and white Americans in California. This variable chosen is:
Chapter: 1 / Q: 107
A public health physician wants to study the load of hypertension in Rawalpindi district to establish special screening & treatment services in the mentioned are which design is more useful for this?
Chapter: 1 / Q: 108
Japan has a high rate of stomach carcinoma and a low rate of colon carcinoma than the U.S. Which study would you suggest to prove or support the environmental effect on the incidence of these cancers?
Chapter: 1 / Q: 109
To give the relevant importance to hypertension control in a health service a researcher wants to study the prevalence of hypertension. He chose a cohort study. The design to assess prevalence is?
Chapter: 1 / Q: 110
A researcher wants to study natural history of silicosis in a population of industrial workers
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