Table 2.

Shape variance (V), standard error (SE), 95% confidence intervals, quadrupedalism index (QI) and eigenvalue variance (EV)

	Infant			Juvenile			Adult			QI	EV
Species	V	SE	95% CI	V	SE	95% CI	V	SE	95% CI
Alouatta belzebuth	–	–	–	–	–	–	0.0044	0.0004	0.0034–0.0050	0.59	0.0039
Ateles geoffroyi	–	–	–	–	–	–	0.0059	0.0004	0.0048–0.0065	0.19	0.0034
Cercocebus albigena	–	–	–	0.0022	0.0002	0.0018–0.0023	0.0026	0.0002	0.0022–0.0029	0.54	0.0028
Cercopithecus aethiops	0.0052	0.0011	0.0025–0.0065	0.0045	0.0006	0.0031–0.0053	0.0036	0.0003	0.0029–0.0040	0.59	0.0031
Colobus guereza	–	–	–	0.0031	0.0007	0.0017–0.0045	0.0040	0.0003	0.0031–0.0044	0.53	0.0028
Gorilla gorilla	0.0071	0.0007	0.0052–0.0077	0.0057	0.0004	0.0048–0.0065	0.0074	0.0003	0.0066–0.0077	0.09	0.0035
Hylobates lar	–	–	–	0.0064	0.0008	0.0045–0.0077	0.0070	0.0005	0.0059–0.0080	0.00	0.0022
Lagothrix lagothrica	–	–	–	–	–	–	0.0061	0.0005	0.0050–0.0069	0.22	0.0021
Macaca fasicularis	0.0027	0.0004	0.0014–0.0031	0.0036	0.0005	0.0024–0.0044	0.0034	0.0003	0.0027–0.0039	0.74	0.0027
Nasalis larvatus	–	–	–	–	–	–	0.0037	0.0003	0.0030–0.0043	0.60	0.0029
Pan paniscus	0.0075	0.0015	0.0048–0.0100	–	–	–	0.0050	0.0006	0.0038–0.0060	0.14	0.0024
Pan troglodytes	0.0076	0.0007	0.0059–0.0085	0.0081	0.0006	0.0067–0.0093	0.0072	0.0003	0.0065–0.0077	0.08	0.0018
Papio anubis	–	–	–	0.0023	0.0002	0.0017–0.0026	0.0034	0.0004	0.0022–0.0039	0.68	–
Pongo pygmaeus	–	–	–	0.0076	0.0010	0.0055–0.0091	0.0071	0.0005	0.0059–0.0079	0.12	0.0024
Presbytis cristatus	0.0036	0.0004	0.0025–0.0040	0.0028	0.0004	0.0015–0.0032	0.0035	0.0003	0.0029–0.0040	0.69	0.0031
Saimiri sciureus	–	–	–	0.0039	0.0004	0.0029–0.0045	0.0033	0.0003	0.0025–0.0036	0.87	0.0036
Symphalangus syndactylus	–	–	–	–	–	–	0.0060	0.0003	0.0052–0.0065	0.00	0.0020