Table 3.

Associations of enrichment frequency and diversity. The associations from 2 general linear models on the provision of enrichment (proportion of time and diversity) based on respondent reports (n = 1,098). Participants were asked about the independent variables of social support, animal stress/pain, euthanasia, enrichment, human-animal interactions, and demographic, and work factors. F: F-statistic. (+): the continuous factor has a positive association with the dependent variable. (−): the continuous factor has a negative association with the dependent variable. Bold indicates a significant effect. n/a: the factor was not applicable in the model

	Dependent Variables
Independent variables	Enrichment frequency	Enrichment diversity
Species	F6,1045 = 130.8, P < 0.0001	F6,1080 = 125.0, P < 0.0001
Category of enrichment	F4,4211 = 668.9, P < 0.0001	n/a
Species*category of enrichment	F24,4211 = 52.9, P < 0.0001	n/a
Control over enrichment	(+) F1,1060 = 63.1, P < 0.0001	(+) F1,1080 = 60.4, P < 0.0001
Desire to provide more enrichment	(−) F1,1038 = 19.6, P < 0.0001	F1,1080 = 1.2, P = 0.27
Animal stress and pain	F1,1052 = 1.31, P = 0.25	F1,1080 = 1.4, P = 0.24
Animal stress and pain*Species	F1,1052 = 2.4, P = 0.025	n/a
Desire to provide more enrichment*Species	F1,1043 = 2.4, P = 0.024	n/a
Country	F1,1042 = 40.9, P < 0.0001	F1,1080 = 32.9, P < 0.0001
Years working	(+) F1,1055 = 6.9, P < 0.02	(+) F1,1080 = 4.8, P < 0.03
Role	F6,1053 = 5.0, P < 0.0001	F6,1080 = 5.1, P < 0.0001