Case 22.7 C22-07 Nutrition education programs, which teach people how to lose weight or reduce…

Case 22.7

C22-07 Nutrition education programs, which
teach people how to lose weight or reduce cholesterol through better eating
patterns, have been growing in popularity. The nurse in charge of one such
program at a local hospital wanted to know whether the programs actually work.
A random sample of 33 clients who attended a nutrition education program for
those with elevated cholesterol levels was drawn. The study recorded the
weight, cholesterol level, total dietary fat intake per average day, total
dietary cholesterol intake per average day and percentage of daily kilojoules
from fat.
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Case 22.7

C22-07 Nutrition education programs, which
teach people how to lose weight or reduce cholesterol through better eating
patterns, have been growing in popularity. The nurse in charge of one such
program at a local hospital wanted to know whether the programs actually work.
A random sample of 33 clients who attended a nutrition education program for
those with elevated cholesterol levels was drawn. The study recorded the
weight, cholesterol level, total dietary fat intake per average day, total
dietary cholesterol intake per average day and percentage of daily kilojoules
from fat. These data were gathered both before and three months after the
program. The researchers also determined the gender, age and height of the
clients.3 The data are recorded in the following way:

Column 1: Gender (1 = female; 2 = male)

Column 2: Age

Column 3: Height (in metres)

Columns 4 and 5: Weight before and after
(in kilograms) respectively

Columns 6 and 7: Cholesterol level before
and after respectively

Columns 8 and 9: Total dietary fat intake
per average day before and after (in grams) respectively

Columns 10 and 11: Dietary cholesterol
intake per average day before and after (in milligrams) respectively

Columns 12 and 13: Percentage daily
kilojoules from fat before and after respectively The nurse would like the
following information:

a In terms of each of weight, cholesterol
level, fat intake, cholesterol intake and kilojoules from fat, is the program a
success?

b Does gender affect the degree of
reduction in each of weight, cholesterol level, fat intake, cholesterol intake
and kilojoules from fat?

c Does age affect the degree of reduction
in weight, cholesterol level, fat intake, cholesterol intake and kilojoules
from fat?

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