Table 5.

Trend periods and annual percentage of change in the search volume for each term in Switzerland.

Trend periods		Annual change (95% CI; %)	P value
Palliative care
	2004-2006	73.35 (−21.41 to 282.38)	.15
	2006-2011	−9.44 (−29.48 to 16.30)	.39
	2011-2020	17.59 (9.40 to 26.40)	<.001
Euthanasia
	2004-2009	−11.75 (−22.09 to −0.04)	.049
	2009-2020	−0.49 (−4.15 to 3.32)	.78
Advance health care directive
	2004-2020	3.66 (1.18 to 6.21)	<.001