Attitudes of the Portuguese population towards advance directives: an online survey

BMC Medical Ethics

Table 4 Initial and final multiple linear regression models for the GPATACD scale as the outcome (n = 950

	Initial Model R² = 9.02%; F(8,932) = 11.6; p < 0.001		Final Model R² = 8.47%; F(5,935) = 17.3; p < 0.001
	B [95% IC]	p value	B [95% IC]	p value
Gender
Male	Reference		Reference
Female	-0.14 [-0.20; -0.09]	< 0.001	-0.14 [-0.19; -0.09]	< 0.001
Religion
Catholic	Reference		Reference
Agnostic/Atheist	-0.11 [-0.16; -0.05]	< 0.001	-0.11 [-0.16; -0.05]	< 0.001
Others	0.09 [-0.06; 0.23]	0.246	0.08 [-0.07; 0.23]	0.285
Level of education
Bachelor´s degree	Reference
Elementary or secondary education	-0.07 [-0.14; 0.002]	0.056
Master´s degree	-0.06 [-0.12; 0.006]	0.074
Doctorate	-0.01 [-0.09; 0.06]	0.793
Are you a health professional?
No	Reference		Reference
Yes	-0.15 [-0.21; -0.09]	< 0.001	-0.14 [-0.19; -0.09]	< 0.001
Have you prepared your living will?
No	Reference		Reference
Yes	-0.22 [-0.36; -0.09]	0.001	-0.19 [-0.36; -0.008]	0.001

Abbreviations – B: nonstandardized regression coefficient; CI: confidence interval; R²: coefficient of determination

ISSN: 1472-6939