Kinship ties become more important with age, as kin form a major resource in times of need, but there is concern that ties are weakening, and the numbers and types of kin may vary substantially from ...

OBJECTIVE Our objective is to extend the matrix kinship model to analyze losses of any type of kin, at any age at death, due to any cause of death, at any age of a Focal individual. METHODS Given ...

METHODS The kin of a focal individual form an age × sex-classified population and are projected as Focal ages using matrix methods, providing expected age-sex structures for every type of kin at every ...