marginally significantp = .057
The linear term of the hourly price remained marginally significant (price: b = −9.02e-4, SE = 4.74e-4, t (2414) = −1.90, p = .057), but the quadratic term became insignificant (price 2 : b = −1.19e-5, SE = 1.70e-5, t (2414) = −0.70, p = .483).