Table 1.

Summary of the characteristics of the validated questionnaires used in this study.

Characteristic	Validated tests	Reference value
Nutrition	Mini Nutritional Assessment (MNA)	[0–7] Malnutrition	[8–12] Malnutrition risk	[12–14] Well nourished
Pain	Numeric rating scale (NRS)	[0–2] Light	[3–7] Moderate	[8–10] Intense
Stress	NRS	[0–2] Light	[3–7]e Moderate	[8–10] Intense
Depression	Geriatric Depression Scale (GDS)	[0–9] Normal	[9–20] Symptoms compatible with low to moderate depression	[20–30] Symptoms compatible with moderate to severe depression
Disability	Health Assessment Questionnaire (HAQ)	[0–1] Mild disability	[1, 2] Mild to moderate disability	[2, 3] Severe disability
Sleep quality	Oviedo Sleep Questionnaire (OSQ)	[1–7] Subjective sleep satisfaction	Low values indicate sleep problems
		[1–15] Hypersomnia	High values indicate sleep problems
		[1–45] Insomnia	High values indicate sleep problems
Cognitive impairment	Semantic Verbal Fluency (SFV)	<10 symptoms compatible with DC
	Memory Impairment Screen (MIS)	<4 symptoms compatible with DC
	PFEIFFER’s Short Portable Mental State Questionnaire (SPMSQ)	>3 symptoms compatible with DC