The phrase "a key determinant influencing" is correct and usable in written English.
It can be used when discussing factors that significantly affect or shape a particular outcome or situation.
Example: "Economic stability is a key determinant influencing the growth of small businesses in the region."
Alternatives: "a major factor affecting" or "a crucial element shaping".
While prior epidemiologic studies have focused on individual disease manifestations, we hypothesized that the degree of hemolysis is a key determinant influencing a phenomic spectrum of complications that reflect the severity of sickle vasculopathy [10] [13].
Under these conditions, tumors with mutant p53 responded to a significantly better extent, indicating that it may be a key determinant influencing tumor response to therapy.
Irrespective of the processing technology, feedstock and enzyme prices have consistently emerged as key determinants influencing the cost of bioethanol production.
Aerosol optical properties are a key determinant of their influence on the Earth's radiation budget.
— Junior Doctor, Accident and Emergency (2 years) This study shows that in the case of antimicrobial prescribing, prescribing etiquette is a key determinant of behavior, with prescribing decisions influenced not only by clinical and therapeutic goals but also by a host of cultural determinants and clinical groups across different specialties.
There is a growing consensus that the perceived quality of maternal and newborn services may be a key determinant of utilization of care and thus ultimately influence maternal and perinatal outcomes [ 12– 15].
Though many other factors influence voting patterns, ethnicity is still a key determinant of political loyalty in Kenya.
Various points within the articles included in this review highlight the influence of the setting (especially primary care) as a key determinant in the adoption of self-management behaviours.
Because nest predators are a key determinant of reproductive output, accurate predictions would require knowledge on how climate warming would influence behavior, abundance and composition of the predator community.
The findings implicate MCP-1 as a key determinant in the development of skin fibrosis induced by bleomycin, and suggest that MCP-1 may influence collagen fiber formation in vivo.
But it ignores the reality that people don't face each other in the market as equals". Regulating the influence of market forces, he argues, increases people's ability to fulfill their own lives — a key determinant of happiness.
