Table 2.

Details of speakers (numbered in column 1, Y1 stands for the youngest speaker in G1, T1 for the youngest speaker in G2 and A1 for the youngest adult in G3 etc.) age (given in column 2 in years), Gender (Gen, column 3), Stuttering rate in the sample (SRate, column 4), recording setting (column 5), number of words in the speech sample (column 6) and the ratio of percentage of function words that are stuttered to the ratio of content words that are stuttered (Ratio, column 7).

Speaker	Age	Gen	SRate	Setting	Number of words	Ratio
Y1	6	F	4.78	Clinic	209	2.98
Y2	6	M	21.09	Clinic	294	0.40
Y3	6	M	4.74	Clinic	232	2.00
Y4	6	M	16.51	Clinic	642	1.65
Y5	6	M	13.38	Clinic	553	2.61
Y6	7	M	5.97	Clinic	486	1.91
Y7	7	M	19.60	Clinic	250	5.65
Y8	7	F	8.61	Clinic	697	4.14
Y9	9	M	3.95	Clinic	1012	1.54
Y10	9	M	28.02	Clinic	257	2.86
Y11	9	F	11.06	Clinic	479	2.12
Y12	10	M	5.24	Clinic	649	2.56
Y13	10	M	18.28	Clinic	241	2.80
Y14	10	M	15.28	Clinic	373	1.04
Y15	10	M	12.00	Clinic	500	3.06
Y16	10	F	14.66	Home	614	2.00
Y17	11	M	3.71	Clinic	917	2.71
Y18	11	M	6.96	Clinic	992	0.94
Y19	11	M	3.78	Clinic	821	1.45
					Mean 11.45%	2.34
					SD 7.06%
T1	12	M	9.82	Clinic	397	1.56
T2	12	M	5.67	Clinic	759	3.26
T3	13	M	4.79	Clinic	355	1.09
T4	13	M	8.75	Clinic	560	1.26
T5	14	M	13.87	Clinic	476	0.89
T6	16	M	3.40	Clinic	1175	1.79
T7	17	M	11.50	Clinic	200	1.39
					Mean 8.26%	1.61
					SD 3.81%
A1	20	M	14.16	Clinic	339	1.67
A2	25	M	14.15	Clinic	509	2.32
A3	25	M	8.68	Clinic	288	1.65
A4	36	M	19.57	Home	787	0.39
A5	38	M	13.59	Home	2039	1.10
A6	40	M	13.48	Home	1506	2.00
A7	50	M	12.07	Clinic	1409	0.35
A8	52	F	8.51	Home	1940	2.27
A9	68	F	6.42	Home	2866	2.01
					Mean 12.29%	1.52
					SD 3.95%