Showing 1 - 10 of 366,015
solar radiation, skin pigmentation, and nativity. Greater insolation (vitamin D production) is documented here to be … related to insolation. …
Persistent link: https://www.econbiz.de/10010271952
statures, 19th century blacks were consistently shorter than whites. Greater insolation (vitamin D production), is documented … here to be associated with taller black statures. Consistent with the insolation-hypothesis, mulattos were taller than … darker pigmented blacks, and most of the mulatto-black stature differential was attributable to age and insolation. Black …
Persistent link: https://www.econbiz.de/10003791788
Addressing the methodological and topical challenges facing demographers working in remote regions, this book compares and contrasts the research, methods and models, and policy applications from peripheral regions in developed nations. With the emphasis on human populations as dynamic,...
Persistent link: https://www.econbiz.de/10008906738
solar radiation, skin pigmentation, and nativity. Greater insolation (vitamin D production) is documented here to be … related to insolation. -- Socioeconomic status ; vitamin D ; insolation ; 19th century US statures …
Persistent link: https://www.econbiz.de/10003803559
statures, 19th century blacks were consistently shorter than whites. Greater insolation (vitamin D production), is documented … here to be associated with taller black statures. Consistent with the insolation-hypothesis, mulattos were taller than … darker pigmented blacks, and most of the mulatto-black stature differential was attributable to age and insolation. Black …
Persistent link: https://www.econbiz.de/10005405946
sunlight, which is the primary source of vitamin D in mammals. Stature and insolation are associated with occupations, and …
Persistent link: https://www.econbiz.de/10010271954
statures, 19th century blacks were consistently shorter than whites. Greater insolation (vitamin D production), is documented … here to be associated with taller black statures. Consistent with the insolation-hypothesis, mulattos were taller than … darker pigmented blacks, and most of the mulatto-black stature differential was attributable to age and insolation. Black …
Persistent link: https://www.econbiz.de/10013316436
Little research exists on the body mass index values of late 19th and early 20th century African-Americans. Using a new BMI data set and robust statistics, this paper demonstrates that late 19th and early 20th century black BMI variation by age increased in their mid-30s but declined at older...
Persistent link: https://www.econbiz.de/10010274809
Little research exists on the body mass index values of 19th century Americans of European descent. Using a new BMI data set and robust statistics, between 1860 and 1880, BMIs decreased across the distribution; however, after 1880, BMIs in the highest quantiles increased, while those in lower...
Persistent link: https://www.econbiz.de/10010274907
Using a new source of 19th century state prison records, this study contrasts the biological living conditions of comparable US African-American and white female statures during economic development. Black and white female statures varied regionally, and white Southeastern and black Southwestern...
Persistent link: https://www.econbiz.de/10010274914