Table 4.

Comparison of agreement between clinician’s assessment and the central laboratory’s expert assessment of aspiration across categories, by intervention.

	Intervention
Category	Chin Down	Nectar-thick	Honey-thick
Overall Kappa	0.89	0.89	0.86
Gender *
Female	0.85	0.86	0.82
Male	0.91	0.90	0.88
Age *
55–79	0.92	0.89	0.90
80–95	0.87	0.88	0.83
Race *
White	0.90	0.89	0.86
Non-white	0.87	0.87	0.88
Education *
< HS Graduate	0.85	0.90	0.84
HS Graduate	0.88	0.84	0.87
Some college	0.93	0.92	0.88
Gastrostomy *
No	0.90	0.89	0.87
Yes	0.82	0.88	0.84
Diagnosis *
Parkinson’s disease	0.91	0.89	0.93
Dementia	0.87	0.90	0.81
Parkinson’s disease with dementia	0.90	0.85	0.87
Order of administration*
First	0.90	0.93	0.90
Second	0.87	0.89	0.88
Third	0.90	0.83	0.80

^*There are no statistically significant associations (p-value > 0.05 for all).