Table A9.

Descriptive analysis of sample compared to the Swiss MTMC.

variable	value	% MTMC	% dataset
age	20-29 years	11.3	18.5
*	30-39 years	14.6	17.8
	40-49 years	19.7	17.7
*	50-59 years	20.1	18.0
*	60-69 years	16.4	18.8
*	70-79 years	12.3	7.9
*	over 80 years	5.2	1.0
gender	female	48.2	50.5
*	male	51.7	48.9
*	other	-	0.4
education	compulsory education	14.9	4.7
*	further education	52.0	67.3
*	university	33.0	27.8
occupation	employed	63.6	60.2
*	student/apprentice	2.8	5.0
*	unemployed/household duties	30.5	11.0
*	searching for job	0.7	2.8
*	retired	2.2	17.6
household size	1	15.3	29.3
*	2	33.7	36.0
*	⩾3	50.9	34.5
household income	under 2,000 CHF	1.5	7.0
	2,001 - 4,000 CHF	9.6	18.0
	4,001 - 6,000 CHF	14.1	25.2
	6,001 - 8,000 CHF	13.6	20.1
	8,001 - 10,000 CHF	10.7	12.6
	10,001 - 16,000 CHF	15.6	14.3
	more than 16,000 CHF	5.4	2.6
	not provided	29.0	-
citizenship	swiss	-	90.0
	other	-	9.9
online shopping behavior	never	-	61.9
	once per week	-	8.4
	multiple times per week	-	1.6
	2-3 times per month	-	7.9
	once a month or less	-	19.9
shopping transport mode	PT	-	23.6
	car	-	42.2
	foot/bike	-	34.0
SARS-COV-2 infection	yes, tested positive	-	1.2
	probably yes	-	2.9
	I don’t know	-	26.8
	probably no	-	68.6
choices (pandemic, $N=4,060$)	in-store	-	75.6
	online	-	24.3
choices (pandemic, $N=4,060$)	with GOS experience	-	38.0
	in-store	-	65.8
*	online	-	34.1
*	without GOS experience	-	61.9
*	in-store	-	81.6
*	online	-	18.3
choices (regular, $N=4,060$)	in-store	-	88.6
*	online	-	11.4
choices (regular, $N=4,060$)	with GOS experience	-	38.0
	in-store	-	79.3
	online	-	20.6
	without GOS experience	-	61.9
	in-store	-	94.3
	online	-	5.6