The phrase "a significant contributor when" is correct and usable in written English.
It can be used to indicate the importance of someone's or something's role in a specific situation or context.
Example: "The research team was a significant contributor when developing the new vaccine."
Alternatives: "an important factor when" or "a key player when".
Geographic distance was not a significant contributor to the model when combined with the environmental variables, and could only account for 2% of the genetic variation when included as the sole predictor.
Although not a significant contributor (P = 0.647), when BMI z score was added to the type 2 model in the subset that had this variable, the parameter estimate for maternal diabetes before birth changed from −1.68 to −1.54 years and the P value rose to 0.0306.
The 5th pain rating remained a significant contributor to clinical pain intensity when psychological factors were included in the model.
CBS's method of calculating Olympic finances includes profits on Olympic broadcasts made by the five television stations that the network owns, which Lund called a "significant contributor". ABC excluded its stations' profits when calculating its Calgary losses.
3 Cannabis use can be a significant contributor to poor mental health, particularly when it begins at a young age.
Bone mass was a significant contributor to LM in male subjects when it replaced FM but this was not the case in female subjects.
Walters ascended as a television personality when she became a significant contributor to the Today Show with Hugh Downs in 1962.
However, grain shape anisotropy is a significant contributor in the hexagonal and rhombohedral crystal symmetries when varying degrees of <100> crystallographic texture exist.
In the last year, the video site has become a significant contributor to the family business at a time when Google, which makes more than 90 percent of its revenue from text search ads, is seeking a second act.
Financial capability does not necessarily mean women need to be the major bread-winner, or even a significant contributor to household income, as is often the case when children are young.
