Sex Ratio at Birth, Polygyny, and Fertility: A Cross-National Study
Social Biology • Vol/Iss. 51(1-2) • Taylor & Francis • • Published In • Pages: 71-77 •
By Barber, Nigel
Hypothesis
The secondary sex ratio will decline as total fertility increases.
Note
"due to the birth order effect, which could be mediated by the reduced frequency of intercourse (72)." This was only tested in model A.
| Test Name | Support | Significance | Coefficient | Tail |
|---|---|---|---|---|
| Multiple regression analysis | Supported | p<0.01 | UNKNOWN | UNKNOWN |
| Variable Name | Variable Type | OCM Term(s) |
|---|---|---|
| Fertility | Independent | Birth Statistics |
| Sex ratio at birth | Dependent | Birth Statistics |