Table 4.

Generalized linear model output scores and variables outputs.

Explanatory variable, Market platform	Model AIC Score	Wingspan	Clutch size	IUCN trend	Migratory status
(a) Price, Online platform	140.71	Wald χ2 = 21.52, df = 5, P < 0.001	Wald χ2 = 27.51, df = 3, P = 0.001	Wald χ2 = 9.11, df = 1, P = 0.003	Wald χ2 = 5.28, df = 1, P = 0.022
(b) Availability, Physical market	135.73	Wald χ2 = 17.29, df = 6, P = 0.008	Wald χ2 = 4.42, df = 3, P = 0.22	Wald χ2 = 0.28, df = 1, P = 0.62	Wald χ2 = 0.13, df = 1, P = 0.91
(c) Availability, Online platforms	168.95	Wald χ2 =. 38.07, df = 7, P < 0.001	Wald χ2 = 10.05, df = 4, P = 0.04	Wald χ2 = 4.44, df = 1, P = 0.035	Wald χ2 = 1.07, df = 1, P = 0.30

AIC, Akaike Information Criterion.