vitamina {isdals}

Food intake for Danish people 1985

Description

The daily food intake was studied for 2224 subjects, and the content of many different vitamins and substances were meaured,

Usage

data(vitamina)

Format

A data frame with 2224 observations on the following 20 variables.

person

subject id (a numeric vector)

wt

weight (kg)

ht

height (cm)

sex

sex: 1 for male, 2= for female

age

age

bmr

basal metabolic rate

E_bmr

energy divided by bmr

energi

energy content (kJ)

Avit

vitamin A (RE)

retinol

retinol (microgram)

betacar

beta-caroten (microgram)

Dvit

vitamin D (microgram

Evit

vitamin E (alphaTE)

B1vit

vitamin B1 (milligram)

B2vit

vitamin B2 (milligram)

niacin

niacin (NE)

B6vit

vitamin B6 (milligram)

folacin

folacin (microgram)

B12vit

vitamin B12 (microgram)

Cvit

vitamin C (milliggram)

Details

Only variables Avit and bmr are used in the "Introduction to Statistical Data Analysis for the Life Sciences" book.

Source

J. Haraldsdottir, J.H. Jensen, A. Moller (1985). Danskernes kostvaner 1985, Hovedresultater. Levnedsmiddelstyrelsen, publikation nr. 138.

Examples

data(vitamina)