NutritionStudy: Nutrition Study

Description Format Details Source References

Description

Variables related to nutrition and health for 315 individuals

Format

A dataset with 315 observations on the following 17 variables.

ID ID number for each subject in this sample
Age Subject's age (in years)
Smoke a factor with levels No Yes
Quetelet Weight/(Height^2)
Vitamin Vitamin use: 1=Regulary, 2=Occasionally, or 3=No
Calories Number of calories consumed per day
Fat Grams of fat consumed per day
Fiber Grams of fiber consumed per day
Alcohol Number of alcoholic drinks consumed per week
Cholesterol Cholesterol consumed (mg per day)
BetaDiet Dietary beta-carotene consumed (mcg per day)
RetinolDiet Dietary retinol consumed (mcg per day)
BetaPlasma Plasma beta-carotene (ng/ml)
RetinolPlasma Plasma retinol (ng/ml)
Gender Coded as Female or Male
VitaminUse Coded as No Occasional Regular
PriorSmoke Smoking status: 1=Never, 2=Former, or 3=Current

Details

Data from a cross-sectional study to investigate the relationship between personal characteristics and dietary factors, and plasma concentrations of retinol, beta-carotene and other carotenoids. Study subjects were patients who had an elective surgical procedure during a three-year period to biopsy or remove a lesion of the lung, colon, breast, skin, ovary or uterus that was found to be non-cancerous.

Source

Data downloaded from http://lib.stat.cmu.edu/datasets/Plasma_Retinol

References

Nierenberg, Stukel, Baron, Dain, and Greenberg, "Determinants of plasma levels of beta-carotene and retinol", American Journal of Epidemiology (1989).


Lock5Data documentation built on May 2, 2019, 5:48 p.m.