us_skinfold_data {umx}R Documentation

Anthropometric data on twins

Description

A dataset containing height, weight, BMI, and skin-fold fat measures in several hundred US twin families participating in the MCV Cardiovascular Twin Study (PI Schieken). Biceps and Triceps are folds above and below the upper arm (holding arm palm upward), Calf (fold on the calf muscle), Subscapular (fold over the shoulder blade), Suprailiacal (fold between the hip and ribs).

Usage

data(us_skinfold_data)

Format

A data frame with 53940 twin families (1 per row) each twin measured on 10 variables.

Details

References

Moskowitz, W. B., Schwartz, P. F., & Schieken, R. M. (1999). Childhood passive smoking, race, and coronary artery disease risk: the MCV Twin Study. Medical College of Virginia. Archives of Pediatrics and Adolescent Medicine, 153, 446-453. https://pubmed.ncbi.nlm.nih.gov/10323623/

See Also

Other datasets: Fischbein_wt, GFF, docData, iqdat, umx

Examples

## Not run: 
data(us_skinfold_data)
str(us_skinfold_data)
par(mfrow = c(1, 2))  # 1 rows and 3 columns
plot(ht_T1 ~ht_T2, ylim = c(130, 165), data = subset(us_skinfold_data, zyg == 1))
plot(ht_T1 ~ht_T2, ylim = c(130, 165), data = subset(us_skinfold_data, zyg == 3))
par(mfrow = c(1, 1))  # back to as it was

## End(Not run)

[Package umx version 4.20.0 Index]