Table 2.

Distribution of subjects by age group.

Age group	Face		Body shape		Voice		Questionnaire		Common samples
									TE		SE		SY
	M∗	F∗∗	M	F	M	F	M	F	M	F	M	F	M	F
10s	32	29	50	41	45	40	46	41	10	14	13	6	6	8
20s	89	162	120	234	97	198	98	214	23	45	27	50	25	48
30s	131	273	186	375	159	326	165	346	46	66	35	81	32	93
40s	161	317	245	453	202	381	214	416	58	109	42	73	41	95
50s	169	317	264	464	219	375	240	412	61	99	34	72	49	105
60s~	171	301	299	506	244	431	267	464	66	128	22	68	67	74
Total	2,152		3,237		2,717		2,923		1,891

^∗M: male; ^∗∗F: female.