sort the statements into the appropriate bins depending on whether they represent factors that varied from participant to participant at the start of this study, factors that were consistent from the start of the study, and factors that were measured in the study.
a. smoking status (smoking vs. non smoking)
b. total food intake
c. percentage of different types of fats eaten
d. activity level
e. sex of participant
f. number of non-fatal heart attacks
g. deaths from coronary heart disease

Respuesta :

Factors that have changed since the start of the study: Variables like smoking status, total calorie intake, percentage of different types of fat consumed, and degree of activity remained the same.

the participant's sex as a result: the number of deaths from coronary heart disease and heart attacks. Coronary artery disease affects the larger coronary arteries on the surface of the heart. Coronary microvascular disease, another form of heart disease, affects the tiny arteries in the heart muscle. Coronary microvascular disease is more common in women. The type of coronary heart disease determines its origin. Coronary artery disease is frequently brought on by cholesterol, a waxy material that builds up inside the coronary artery wall to form plaque. This deposit may entirely smoking statu.

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