The phrase "a borderline interaction between" is correct and usable in written English.
It can be used to describe a situation or relationship that is on the edge or threshold of two different states or categories.
Example: "The study revealed a borderline interaction between the two variables, suggesting that their relationship is not clearly defined."
Alternatives: "a marginal interaction between" or "a tenuous interaction between".
There was a borderline interaction effect between sex and rs1333040 for CCA IMT (p = 0.060); while significant interaction effects between sex and rs2383207 (p = 0.044), sex and rs1333049 (p = 0.016) for ICA IMT.
Furthermore, a borderline interaction effect between task and group was present, F (1, 42) = 3.7, p = 0.061, η p 2 = 0.08.
Meanwhile, no statistically significant interaction between SI and levels of CRP was observed, but a borderline interaction in stomach cancer (pinteraction: 0.05).
There was also an interaction between AQ and Repetition in left OFA (F1,18 = 6.13, P < 0.05, ηρ = 0.25) and a borderline interaction in right OFA (F1,26 = 3.11, P = 0.06, ηρ = 0.13), reflecting negative relationships between AQ and Repetition; neither was qualified by a significant 3-way interaction with Image Size (P's > 0.43).
There was a borderline interaction of mean prenatal urinary BPA concentration with time in the multivariable analysis (p = 0.06).
There is a borderline significant interaction between the ApoE4 allele, and red meat intake with respect to MSI-H CRCs (P=0.06), whereas no significant interaction is detected between ApoE4 and red meat with respect to MSS CRCs (P=0.13).
A borderline significant interaction between smoke exposure and maté was also retained.
There was a borderline significant interaction between resting heart rate, smoking status and mortality (p=0.07).
Another cohort study on smoking with a nested case-only design also found a borderline significant interaction between GSTM1 null and cigarette smoking [ 42].
We found a borderline significant interaction between filaggrin mutations and BMI in a logistic regression analysis with diabetes as the dependent variable.
