Table 1.

Participant Characteristics at Enrollment^*

	Interventions				Thickened Liquids
	Chin Down		Thickened Liquids		Nectar-Thick		Honey-Thick
	N	%	N	%	N	%	N	%
N	259	100	256	100	133	100	123	100
Gender
Male	178	69	181	71	93	70	88	72
Female	81	31	75	29	40	30	35	28
Age
50-59†	2	1	4	2	2	2	2	2
60-69	16	6	21	8	16	12	5	4
70-79	88	34	78	30	37	28	41	33
80-89	127	49	125	49	66	50	59	48
90-95	26	10	28	11	12	9	16	13
Age: Mean (median)	81 (81)		80 (81)		80 (81)		81 (81)
Race
White	217	84	214	84	111	84	103	84
Black	22	8	18	7	7	5	11	9
Hispanic	10	4	7	3	3	2	4	3
Asian or Pacific Islander	9	3	16	6	12	9	4	3
Other	1	<1	1	<1	0	0	1	1
Educational level
No formal education	1	<1	2	1	1	1	1	1
Some grammar school	51	20	36	14	18	14	18	15
Some high school	42	16	42	16	26	20	16	13
High school graduate	76	29	80	31	37	28	43	35
1+ years of college	55	21	66	26	36	27	30	24
1+ years of graduate school	20	8	24	9	13	10	11	9
Not reported	14	5	6	2	2	2	4	3
Diagnosis
Dementia - Alzheimer’s	42	16	46	18	20	15	26	21
Dementia - Single or multi stroke	40	15	35	14	17	13	18	15
Dementia - Other	49	19	48	19	29	22	19	15
Idiopathic PD† - No Dementia	83	32	71	28	39	29	32	26
Idiopathic PD† - Dementia	45	17	56	22	28	21	28	23
Aspiration during Immediate (short-term) study
None of the interventions	76	30	94	37	46	35	48	39
All of the interventions	183	70	162	63	87	65	75	61

^*PD: Parkinson’s disease

^†Includes one participant enrolled 2 weeks short of turning 50 years o