Table 2.

Age group description and their frequencies and score distribution for yearling (YT, < 2 years) and cow at weaning (CT) temperament datasets

G	N	Age	Temperament scores (%)						Mean (SD)
			1	2	3	4	5	6
< 2	269,248	375	70.12	23.47	5.57	0.72	0.10	0.03	1.37 (0.64)
3	47,839	760	56.00	35.53	7.49	0.73	0.22	0.03	1.54 (0.69)
4	33,579	1317	54.91	35.83	8.17	0.80	0.24	0.05	1.56 (0.71)
5	23,435	1682	53.71	36.48	8.60	0.85	0.32	0.04	1.58 (0.72)
6	16,817	2048	52.63	36.84	9.18	0.95	0.35	0.05	1.60 (0.73)
7	11,696	2414	51.84	37.59	8.90	1.15	0.46	0.07	1.61 (0.74)
8	8275	2778	50.10	39.70	8.65	1.11	0.37	0.06	1.62 (0.73)
9	5223	3144	49.21	39.71	9.78	1.00	0.31	0.00	1.63 (0.72)
10	3378	3511	47.51	39.93	10.89	1.01	0.56	0.09	1.67 (0.76)
> 10	3656	4128	46.17	41.52	10.94	1.04	0.33	0.00	1.68 (0.73)

G: age group; N: number of records; Age: average age in days; Mean (SD): mean (standard deviation) of the scores