Table 1.

Demographic and clinical characteristics of adults with IDD in the sample.

	All (n = 833)		Positive test (n = 77)		Negative test (n = 127)		Not tested (n = 629)		Sig.
	n	%	n	%	n	%	n	%
Age (years)
<30 years	220	26.41	9	11.69	42	33.07	169	26.87	1, 2
30-<45 years	224	26.89	12	15.58	30	23.62	182	28.93
45-<60 years	206	24.73	21	27.27	26	20.47	159	25.28
≥ 60 years	183	21.97	35	45.45	29	22.83	119	18.92
Sex
Male	459	55.10	44	57.14	74	58.27	341	54.21	NS
Female	374	44.90	33	42.86	53	41.73	288	45.79
Living setting
Private	565	67.83	19	24.68	74	58.27	472	75.04	1, 2, 3
Congregate	268	32.17	58	75.32	53	41.73	157	24.96
Nature of impairment (n = 519)
Unspecified	257	49.52	11	20.37	37	40.66	188	50.27	NS
Down syndrome	73	14.07	5	9.26	13	14.29	55	14.71
Autism	78	15.03	6	11.11	16	17.58	56	14.97
Other	111	21.39	32	59.26	25	27.47	75	20.05
Cognitive Performance Scale
Intact to mild	247	29.65	21	27.27	39	30.71	187	29.73	NS
Moderate	253	30.37	19	24.68	43	33.86	191	30.37
Severe	333	39.98	37	48.05	45	35.43	251	39.90
Receptive communication
Sometimes, rarely, or never understands	364	43.70	35	45.45	54	42.52	275	43.72	NS
Usually, often, or always understands	469	56.30	42	54.55	73	57.48	354	56.28
Mobility
Walking w/wo assistive device	568	68.19	38	49.35	74	58.27	456	72.50	1, 3
Mobility devices or bed-bound	265	31.81	39	50.65	53	41.73	173	27.50
Aggression
No aggression	498	59.78	35	45.45	65	51.18	398	63.28	1, 3
Any aggression	335	40.22	42	54.55	62	48.82	231	36.72
Bathing
No physical contact	84	10.08	7	9.09	--	--	73	11.61	3
Physical contact	749	89.92	70	90.91	--	--	556	88.39
Personal hygiene
No physical contact	146	17.53	14	18.18	14	11.02	118	18.76	3
Physical contact	687	82.47	63	81.82	113	88.98	511	81.24
Dressing
No physical contact	196	23.53	17	22.08	16	12.60	163	25.91	3
Physical contact	637	76.47	60	77.92	111	87.40	466	74.09
Toilet use (n = 786)
No physical contact	253	32.19	19	26.39	26	21.49	208	35.08	3
Physical contact	533	67.81	53	73.61	95	78.51	385	64.92
Bed mobility (n = 830)
No physical contact	561	67.59	45	58.44	73	58.40	443	70.54	1, 3
Physical contact	269	32.41	32	41.56	52	41.60	185	29.46
Eating (n = 829)
No physical contact	546	65.86	43	56.58	77	60.63	426	68.05	1
Physical contact	283	34.14	33	43.42	50	39.37	200	31.95
BMI (n = 738)
<25 kg/m2	305	41.33	36	50.70	53	43.44	216	39.63	NS
≥25 kg/m2>30	199	26.96	14	19.72	35	28.69	150	27.52
≥30 kg/m2	234	31.71	21	29.58	34	27.87	179	32.84

1 = Positive different than untested (p < 0.05); 2 = Positive different than negative (p < 0.05); 3 = Negative different than untested (p < 0.05); NS = not significant (p > 0.05); -- suppressed due to small cell count.