Hlt 362 Exercise 31

Topics: Health care, Blood pressure, Health care provider Pages: 2 (436 words) Published: August 13, 2013
Name: Zipporah Gachoya Class: HLT 362V

Date: 08/10/2013
■ Ex Questions to be graded: Exercise 31
6. What is the smallest, significant t ratio listed in Table 2? Provide a rationale for your answer.

t = 2.03* the smallest t ratio listed in Table 2. It indicates that the cholesterol level change was statistically significant from pretest to 3 months. It is greater than the given value of p<0.05

7. Why are the larger t ratios more likely to be statistically significant?

They are more likely to be significant because there is a large difference in the pre and post tested values, so these are the areas that will be affected most. Their p-values are also smaller.

8. Did the health-promotion program have a statistically significant effect on Systolic blood pressure (BP) in this study? Provide a rationale for your answer.

No, the health-promotion program did not appear to have a significant effect on blood pressure. The t-ratio is greater than 0.05 which was the initial setting. This may be because the health program didn’t cover blood pressure, or it was simply something that people didn’t think about with their overall health. 9. Examine the means and standard deviations for Systolic BP at pretest, 3 months (completion of the treatment), and 6 months. What do these results indicate? Are these results clinically important? Provide a rationale for your answer. These results indicate that there was very little change in Systolic BP, as the SD didn’t change at all, and blood pressure only decreased by a small amount in 3 months, and then shot back up after 6 months. These changes would be considered significant enough to be statistically or clinically important. 10. Is this study design strong or weak? Provide a rationale for your answer. In my opinion, this is a fairly strong study because it identifies what areas the health promotion program effect the most. It also shows what could be improved in the program. For this reason I...
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