borderline significantp = 0.055
In the delay-discounting task (0–45 s), PFOS (vs vehicle) was associated with a borderline significant lower percentage of choices for the large reward (mean difference = −9.4 %age points, 95 % CI −19.1–0.26, p = 0.055) and was associated with more omissions (mean difference = 4.3 points, 95 % CI 0.50–8.07, p = 0.031).