Table 2.

Bivariate associations between eating and shopping behaviours according to area of residence among adults (n 1004) from Metro Detroit, MI, USA, August 2009–February 2010

	Detroit (n 235)		Non-Detroit (n 742)
Eating and shopping behaviours	n	%	n	%	P value*
Eating behaviours
Ever eat out	201	85·5	667	91·1	0·01
Frequency of eating out of home or buying a take-away (aside from lunch)?
Hardly ever, every now and then	136	68·3	377	56·9	0·003
1–2 times/week	42	21·1	223	33·7
3–4 times/week, most days	21	10·6	62	9·4
Where do you eat out?
Sit-down café or restaurant	124	52·8	479	64·6	0·001
Bar with food	14	6·0	55	7·4	0·45
Fast-food restaurant	122	51·9	325	43·9	0·03
Other	3	1·3	11	1·5	0·82
Taken out and eaten at home	59	25·1	185	25·0	0·97
Shopping behaviours
Superstores and supermarkets† – ever shop	217	92·7	717	97·6	0·001
Amount of weekly food purchased
None, not much	24	11·9	25	3·7	<0·0005
Some	47	23·3	112	16·5
A lot, most and all	131	64·9	540	79·8
Frequency
Daily, more than once weekly	16	7·6	194	27·4	<0·0005
Weekly	41	19·5	291	41·1
Every week	74	35·2	154	21·8
Monthly, occasionally, rarely	79	37·6	69	9·7	0.32
Markets‡ – ever shop	146	62·1	435	59·3	0·44
Amount of weekly food purchased
None, not much	37	27·6	113	26·8	0·13
Some	63	47·0	232	55·1
A lot, most and all	34	25·4	76	18·1
Frequency
Daily, more than once weekly	8	6·1	51	11·9	<0·0005
Weekly	18	13·7	130	30·2
Every week	33	25·2	122	28·4
Monthly, occasionally, rarely	72	55·0	127	29·5
Convenience stores§ – ever shop	133	56·6	377	51·4	0·17
Amount of weekly food purchased
None, not much	98	76·0	307	83·4	0·07
Some	20	15·5	47	12·8
A lot, most and all	11	8·5	14	3·8
Frequency
Daily, more than once weekly	34	27·4	85	23·6	0·41
Weekly	20	16·1	83	23·1
Every week	17	13·7	43	11·9
Monthly, occasionally, rarely	53	42·7	149	41·4

*Evaluated with the χ ² test.

†Supermarkets refer to large markets in the Detroit area such as Krogers or Meijers.

‡Markets refer to smaller markets and local farmers’ markets such as Eastern Market.

§Convenience stores refer to stores such as 7-Eleven, party stores, gas stations or drug stores.