Table 2.

Descriptive Statistics.

Variables	Meana	Minimum	Maximum
Amazon home delivery	0.76	0	1
Amazon pick-up	0.21	0	1
Walmart in-store shopping	0.87	0	1
Walmart home delivery	0.37	0	1
Walmart pick-up	0.35	0	1
Gender (Female = 0, Male = 1)	0.36	0	1
Age	41.06	18	75
Married	0.59	0	1
Do not have children	0.49	0	1
Having children under 5	0.21	0	1
Having children 5 to 17	0.34	0	1
Having children 18 and older	0.10	0	1
Education: High school or less	0.21	0	1
Education: Some college	0.31	0	1
Education: College degree	0.33	0	1
Education: Master’s or higher degree	0.14	0	1
Income: Less than $25 k	0.15	0	1
Income: $25 k to $50 k	0.31	0	1
Income: $50 k to $100 k	0.35	0	1
Income: $100 k to $150 k	0.12	0	1
Income: $150 k or more	0.08	0	1
No one in household working	0.36	0	1
One person in household working	0.31	0	1
Two persons in household working	0.32	0	1

^aAll variables except age are categorical. Mean value for each categorical variable indicates the proportion of respondents checking “Yes” option for the question. Standard deviation for age is 15.23 years.