Applied Biostatistics for the Health Sciences. Richard J. Rossi

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renal failure 1 = Yes 9 Infection probable at 0 = No INF ICU admission 1 = Yes 10 CPR prior to 0 = No CPR ICU admission 1 = Yes 11 Systolic blood pressure mmHg SYS at ICU admission 12 Heart rate at Beats/min HRA ICU admission 13 Previous admission to an 0 = No PRE ICU within 6 months 1 = Yes 14 Type of admission 0 = Elective TYP 1 = Emergency 15 Long bone, multiple, neck 0 = No FRA single area, or hip fracture 1 = Yes 16 pO2 from initial 0 = > 60 PO2 blood gases 1 = < 60 17 pH from initial 0 = > 7.25 PH blood gases 1 = < 7.25 18 pCO2 from initial 0 = < 45 PCO blood gases 1 = > 45 19 Bicarbonate from 0 = > 18 BIC Initial blood gases 1 = < 18 20 Creatinine from 0 = < 2.0 CRE initial blood gases 1 = > 2.0 21 Level of consciousness 0 = No coma or stupor LOC at ICU admission 1 = Deep stupor 2 = Coma

      1.4.6 Mammography Experience Study Data Set

The Mammography Experience Study data set consists of 412 observations on subjects from a study designed to investigate the factors associated with a woman’s knowledge, attitude, and behavior toward mammography exams. The data were collected by Dr. J. Zapka and Ms. D. Spotts of the University of Massachusetts, Division of Public Health. The variables included in this data set are summarized in Table 1.6.

Table 1.6 A Description of the Variables in the Mammography Experience Data Set

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Variable	Description	Codes/Values	Name
1	Identification code	ID number	OBS
2	Mammograph experience	0 = Never	ME
		1 = Within 1 year
		2 = Over 1 year ago
3	“You do not need a mammogram unless	1 = Strongly agree	SYMPT
	you develop symptoms”	2 = Agree
		3 = Disagree
		4 = Strongly disagree
4	Perceived benefit of mammography	5–20	PB
5	Mother or sister with a history	0 = No	HIST