Table 2

Objectively measured QUS bone status stratified by gender, age, level of ID and living circumstances

Demographic (n= 575)	Total	Normal		Osteopenia		Osteoporosis		P value*
Demographic (n= 575)	Total	n	%	n	%	n	%	P value*
Gender								0.114
Male	245	71	29.0	85	34.7	89	36.3
Female	330	77	23.3	106	32.1	147	44.5
Age (years)								0.003
43–49	163	54	33.1	56	34.4	53	32.5
50–64	292	74	25.3	100	34.2	118	40.4
65+	120	20	16.7	35	29.2	65	54.2
Level of ID†								<0.0001
Mild	123	46	37.4	43	35.0	34	27.6
Moderate	252	71	28.2	92	36.5	89	35.3
Severe/profound	153	18	11.8	39	25.5	96	62.7
Living circumstances†								<0.0001
Indep/family	87	40	46.0	25	28.7	22	25.3
CGH	243	68	28.0	91	37.4	84	34.6
Residential	239	36	15.1	70	31.0	129	54.0

*α=0.05 with statistically significant values in bold.
†Obs missing=not all participants provided level of ID or living circumstance.
CGH, community group home; DXA, X-ray densitometry; ID, intellectual disability; QUS, quantitative ultrasound.