Table VIII.

Summary of results from rhesus macaques (Macaca mulatta) observed at the Oregon National Primate Research Center between March and June 2014, and at the California National Primate Research Center between January and April 2014

	Facial width-to-height ratio		Lower-height/full-height ratio
	Younger	Older	Younger	Older
Sex	−	.	.	.
Sex × Age	.	.	.	.
Confidence	−	.	−	.
Openness	.	.	.	.
Assertiveness	+	−	+	.
Friendliness	.	.	.	.
Activity	−	.	.	.
Anxiety	(−)	(−)	.	.
Dominance status	(−)	(−)	.	.
Anxiety × Dominance status	−	−

A plus sign indicates a positive relationship, a minus sign indicates a negative relationship, and a dot indicates no significant relationship, all via regression models. Associations between Anxiety and facial width-to-height ratio are in parentheses to indicate that this association was present only when the Anxiety by Dominance status interaction was included