Author: Anonymous

Rewrite the hiragana with an appropriate kanji.  If necessary, add okurigana (conjugational ending added in hiragana) for the underlined word or phrase. (12)  むかしむかし  、やさしいおじいさんとおばあさんがいました。 あおい　セーターを きている　あか　ちゃんは、私の子どもです。 きのう、かのじょと　わかれ　ました。 今は時間があるから、たくさん　はたらき　ます！ 

Question B Write the following words in Japanese. (2pts x 5= 10pts)  present meaning bad nice to cough

In what type of cohort study does the exposure occur before the outcome?

An epidemiological study was performed to investigate the hypothesis that children in daycare have a higher rate of respiratory infections than children who are not in daycare. Researchers enrolled 120 children aged 2 to 4 years who attended daycare for at least 30 hours per week and 120 children aged 2 to 4 years who primarily received care from a parent, guardian, or a single non-household adult. Study participants were followed until their first respiratory infection, they dropped out of the study, or the study ended 1 year later. Thirty cases of respiratory infections were diagnosed in each group. The children in daycare contributed a total of 80 person-years and the children who were not in daycare contributed a total of 100 person-years.

Which of the following is a feature of a controlled trial study design, but NOT a feature of other analytic designs?

Which of the following is TRUE of retrospective cohort studies that are conducted using only historical records but not cohorts conducted in real time?

The following figure represents what researchers found between the exposed group and the unexposed group. What happens when RR=1 i.e, an epidemiological study finds NO difference in risk between the exposed and unexposed group?  

A cohort study is conducted in real time to identify risk factors for a first organ transplant rejection. In terms of exposed vs. non-exposed/control group,  who should be recruited at the beginning of the study and then followed up during the follow-up period?

The main difference between descriptive and analytical studies are that:

When comparing randomized controlled trials (RCT) to cohort studies, which of the following is generally true?