Table 6.

Multivariate analysis of the Salt Intake scale

Variables	Parameter	SE	t	P-value
Sex
Women – reference
Men	0.288	0.142	2.03	0.043
Age (years)	0.009	0.017	0.538	0.591
Marital status
Married/common law – reference
Single/separated/divorced	0.366	0.253	1.444	0.15
Widowed	0.302	0.207	1.465	0.144
Education
Primary or none – reference
Secondary	−0.119	0.191	−0.622	0.535
Higher vocational or higher	−0.106	0.219	−0.485	0.628
Occupational status
Employee – reference
Retirement	−0.572	0.206	−2.776	0.006
Health pension/unemployed	−0.333	0.26	−1.284	0.2
Duration of the disease (years)	−0.01	0.01	−1.087	0.278
Diabetes mellitus
No – reference
Yes	0.362	0.147	2.459	0.015
Ischemic heart disease
No – reference
Yes	0.182	0.167	1.091	0.276
Kidney failure
No – reference
Yes	−0.064	0.212	−0.301	0.764
Rheumatic diseases
No – reference
Yes	0.013	0.18	0.071	0.943
Type of therapy
Monotherapy – reference
Polytherapy	−0.025	0.237	−0.106	0.916
TFI (points)	−0.089	0.037	−2.425	0.016

Abbreviations: SE, standard error; TFI, Tilburg Frailty Indicator.