Biostats SPSS (The Effect of Weights)

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W10A_PracticeStep-by-StepGuide_Prob10.1.doc

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Part1

Week 11 Step by Step Application Guide 11.1

Effect of Weights

Problem 1. Examine the Data

a. Open the dataset labeled PUBH_8500_Week 11_dataset.sav

b. Produce numeric descriptive statistics for the following variables:

Step 1. Before beginning the analyses, make sure the data are not previously weighted. Go to Data ( Weight cases

Step 2. Click “Do not weight cases”. Click OK.

Step 3. Go to Analyze ( Descriptive statistics ( Frequencies. Select and move variables i. – ix. to Variable(s) box.

Step 4. This is optional - Click on Charts. Select Bar charts and Percentages, click Continue. Click OK.

SPSS output (Note: The bar graphs are not required):

i. Cregion

Census Region - from zip merge
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	Northeast	415	14.3	14.3	14.3
	Midwest	551	19.0	19.0	33.4
	South	1260	43.5	43.5	76.9
	West	669	23.1	23.1	100.0
	Total	2895	100.0	100.0

ii. USR

Community type (alpha) - from zip merge
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid		119	4.1	4.1	4.1
	Rural	440	15.2	15.2	19.3
	Suburban	1190	41.1	41.1	60.4
	Urban	1146	39.6	39.6	100.0
	Total	2895	100.0	100.0

iii. Sex

SEX. Respondent's sex
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	Male	1177	40.7	40.7	40.7
	Female	1718	59.3	59.3	100.0
	Total	2895	100.0	100.0

iv. Q1

Q1. Overall, how would you rate the quality of life for you and your family today? Would you say it is… excellent, very good, good, fair or poor?
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	Excellent	465	16.1	16.1	16.1
	Very good	739	25.5	25.5	41.6
	Good	1013	35.0	35.0	76.6
	Fair	487	16.8	16.8	93.4
	Poor	171	5.9	5.9	99.3
	Don't know	10	.3	.3	99.7
	Refused	10	.3	.3	100.0
	Total	2895	100.0	100.0

v. Q6a

Q6a. Do you use the internet, at least occasionally?
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	Yes	1964	67.8	67.8	67.8
	No	926	32.0	32.0	99.8
	Don't know	4	.1	.1	100.0
	Refused	1	.0	.0	100.0
	Total	2895	100.0	100.0

vi. Q16

Q16. In general, how would you rate your own health — excellent, good, only fair, or poor?
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	Excellent	801	27.7	27.7	27.7
	Good	1448	50.0	50.0	77.7
	Only fair	502	17.3	17.3	95.0
	Poor	139	4.8	4.8	99.8
	Don't know	2	.1	.1	99.9
	Refused	3	.1	.1	100.0
	Total	2895	100.0	100.0

vii. Q22a

Q22a. Have you ever looked online for -- Information about a specific disease or medical problem?

Frequency

Percent

Valid Percent

Cumulative Percent

Valid

Yes, have done this

1321

45.6

65.9

No, have not done this

685

23.7

34.1

100.0

Total

2006

69.3

100.0

Missing

System

889

30.7

Total

2895

100.0

viii. Receduc

Recoded education
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	LT HS	385	13.3	13.4	13.4
	HS grad	934	32.3	32.4	45.8
	Some coll	712	24.6	24.7	70.5
	Coll+	849	29.3	29.5	100.0
	Total	2880	99.5	100.0
Missing	System	15	.5
Total	2895	100.0

ix. Race/Ethnicity

Race/Ethnicity
	Frequency	Percent	Valid Percent	Cumulative Percent
Valid	White~Hisp	1610	55.6	56.8	56.8
	AA~Hisp	607	21.0	21.4	78.1
	Hispanic	474	16.4	16.7	94.9
	Other~Hisp	146	5.0	5.1	100.0
	Total	2837	98.0	100.0
Missing	DK/Ref	58	2.0
Total	2895	100.0