BMI: Data on BMI of Dutch citizens
In wec: Weighted Effect Coding

Description Format Source References Examples

The BMI data contains information on Dutch individuals' BMI, in addition to select socio-demographic variables.

A data frame with 3323 observations on the following 6 variables.

sex: a factor with levels male and female
education: a factor with levels lowest, middle, and highest
year: a factor with levels 2000, 2005, and 2011
BMI: interval variable representing respondents' Body Mass Index (BMI)
childless: a factor with levels no and yes
log_age: interval variable representing the natural log of respondents' age
age_categorical: a factor with levels Young (18-30), Middle (31-59) and Older (60-70)

These data are a subset from three waves of the ‘Socio-Cultural Developments in the Netherlands’ (SOCON) datasets, collected at the Radboud University in the Netherlands (see references for original codebooks).

Eisinga, R., G., Kraaykamp, P. Scheepers, P. Thijs (2012). Religion in Dutch society 2011-2012. Documentation of a national survey on religious and secular attitudes and behaviour in 2011-2012, DANS Data Guide 11, The Hague: DANS/Pallas Publications Amsterdam University Press, 184p.

Eisinga, R., A. Need, M. Coenders, N.D. de Graaf, M. Lubbers, P. Scheepers, M. Levels, P. Thijs (2012). Religion in Dutch society 2005. Documentation of a national survey on religious and secular attitudes and behaviour in 2005, DANS Data Guide 10, The Hague: DANS/Pallas Publications Amsterdam University Press, 246p.

Eisinga, R., M. Coenders, A. Felling, M. te Grotenhuis, S. Oomens, P. Scheepers (2002). Religion in Dutch society 2000. Documentation of a national survey on religious and secular attitudes in 2000, Amsterdam: NIWI-Steinmetz Archive, 374p.

data(BMI)

# Without Controls
model.dummy <- lm(BMI ~ education, data=BMI)
summary(model.dummy)

# With Controls
model.dummy.controls <- lm(BMI ~ education + sex + log_age + childless + year, data=BMI)
summary(model.dummy.controls)