Table 3.

Estimates of survival based on a Cox regression model – Univariate analyses

	HR+ 95% CI	p-value
Age at Diagnosis (n = 192)	1.06 (1.03 to 1.09)	<0.001**
Sex (n = 194)		0.038*
Female	reference
Male	1.54 (1.02 to 2.31)
Level of Intellectual Disability (n = 110)		0.058
Mild	reference
Moderate	1.13 (0.40 to 3.23)
Severe	2.41 (0.83 to 6.99)
Living (n = 184)		0.027**
With family	0.51 (0.28 to 0.93)
Other	reference
Epilepsy (n = 164)		0.057*
No	Reference
Yes	1.59 (0.99 to 2.56)
AD Medication (n = 184)		0.015**
No	reference
Yes	0.45 (0.24 to 0.86)
History of Depression (n = 136)		0.092
No	reference
Yes	0.49 (0.22 to 1.12)
Thyroid Disorder (n = 150)		0.617
No	reference
Yes	1.12 (0.71 to 1.77)
Sensory Impairment (n = 147)		0.259
No	reference
Yes	1.38 (0.79 to 2.39)

⁺Estimates obtained using Cox regression model adjusted for Site.