Project #45970 - Statistics and Data Analysis Research

Chapter 5 Question B7

Using the variable poverty as the row variable in a Crosstabulation analysis, calculate RRs and Ors between the women’s poverty status and four to five other dichotomous outcomes of your choosing in the Polit2SetB dataset. Create a table presenting the results, and write a brief paragraph summarizing key findings. Be sure that your table and discussion include information about CIs.

 

Chapter 6 Question B6

Run independent groups t test for three outcomes in the Polit2SetC dataset: cesd and the two subscale score variables for the SF-12 scale that we have used in earlier chapters for physical and mental health (sf12phys and sf12ment). In these t tests, you will be testing the null hypotheses that women who do not have a high school education have the same scores on these three health outcomes as women who have a diploma or GED certificate. The relevant variable in which code 1 represents no high school credential, and code 2 represents a diploma or GED. (Code 3 and 4, corresponding to Associates and Bachelor’s degree, will be ignored in this analysis. Only 34 women in the sample had either of these degrees.) In the Independent-Samples T Test Variables, insert the three outcome variables in the list of Test Variables and educatn as the Grouping Variable. For defining the grouping variable, enter code 1 for Group 1 and 2 for Group 2. When you have run these analyses, create a table to represent your results, using Table 6.3 as a model. Be sure to include effect size information, which you will need to compute manually. Then write a paragraph summarizing the results.

 

 

 

Outcome

Pre-

Intervention

Means (SD)

Post-

Interventiona

Means (SD)

 

 

t

 

 

df

 

 

p

 

 

db

Number of ED visits

6.1 (5.8)

4.3 (5.5)

6.24

486

<.001

.32

Physical health status (SF-8)

35.5 (9.5)

41.3 (9.6)

-6.83

164

<.001

.61

Mental health status (SF-8)

41.8 (11.1)

43.4 (10.3)

-1.90

164

.059

.15

Mental locus of control (internal)

26.0 (6.1)

26.1 (6.4)

-1.37

157

.18

.02

 

Table 6.3

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Due By (Pacific Time) 11/08/2014 12:00 pm
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