Table 3.

Occurrence of abnormal behaviors (no. showing behavior [%])

Group	Rocking	Coprophagy	Stereotypy other than rocking	Hair plucking	Regurgitation and reingestion	Self- directed	Self-injurious behavior with wounding	At least 1 behavior	3 or more behaviors
Sex
Female (n = 378)	48 (12.7%)	61 (16.1%)	33 (8.7%)	38 (10.1%)	30 (7.9%)	27 (7.1%)	2 (0.5%)	148 (39.2%)	20 (5.3%)
Male (n = 323)	43 (13.3%)	9 (2.8%)	33 (10.2%)	24 (7.4%)	24 (7.4%)	24 (7.4%)	8 (2.5%)	112 (34.7%)	15 (4.6%)
Rearing
Mother-reared and wild-born (n = 306)	14 (4.6%)	50 (16.3%)	12 (3.9%)	36 (11.8%)	19 (6.2%)	8 (2.6%)	1 (0.3%)	96 (31.4%)	10 (3.3%)
Nonmother-reared/ wild-born (n = 312)	74 (23.7%)	20 (6.4%)	43 (13.8%)	21 (6.7%)	28 (9.0%)	37 (11.9%)	7 (2.2%)	141 (45.2%)	22 (7.1%)