multifactorial

Involving, or controlled by multiple factors.

[…] a pattern in medical research on infectious and degenerative diseases in the United States. That pattern shows three main built-in biases: 1) towards a single-agent theory of disease, as opposed to a multi-factorial analysis; 2) […]

One of the under-reported dynamics during the coronavirus pandemic has been the collapse of One Nation’s vote. The reasons for this are likely multi-factorial.

Involving multiple genetic or environmental factors.

A generalization of a factorial in which each element to be multiplied differs from the next by an integer (e.g. n(n-3)(n-6)(n-9)...).