Reference no: EM132306612
1. On the first day of class, none of the 180 students had the flu. During the semester, 47 of the students got the flu. On the last day of class, only 34 students still had the flu. What was the point prevalence of the flu in the class on the last day of class?
75 cases of flu per 1,000 students on the last day of class
19 cases of flu per 1,000 students on the last day of class
189 cases of flu per 1,000 students on the last day of class
261 cases of flu per 1,000 students on the last day of class
2. In 2017, during the first week of January, 5,465 women, 60-74 years old, were screened for presence of osteoporosis at major women’s health fair held in Phoenix, AZ. A total of 374 cases of osteoporosis were identified at screening. What is period prevalence of osteoporosis in group?
28 cases of osteoporosis per 100 women 60-74 years old at the health fair during the first week of 2017
28 cases of osteoporosis per 1000 women 60-74 years old at the health fair during the first week of 2017
68 cases of osteoporosis per 100 women 60-74 years old at the health fair during the first week of 2017
68 cases of osteoporosis per 1000 women 60-74 years old at the health fair during the first week of 2017
3. If you calculate the indirect age-adjusted mortality for Small Town using age-specific mortality rates for Big Town, and we find an SMR of 150%, which of the following is true:
Mortality in Small Town is less than what we would expect in Big Town
Mortality in Small Town is more than what we would expect in Big Town
Mortality in Small Town is similar to what we would expect in Big Town
We do not know how mortality compares between Small Town and Big Town