Food choice motives including sustainability during purchasing are associated with a healthy dietary pattern in French adults

Table 1 Characteristics of the included and excluded subjects (n = 45,155, Nutrinet-Santé study, 2013)

	Men (n = 9499)					Women (n = 35,656)
	Excluded (n = 2874)		Included (n = 6625)		p^a	Excluded (n = 10,439)		Included (n = 25,217)		p^a
Age (mean SD)	54.4	13.3	51.4	13.9	<0.001	47.1	14.1	44.8	14.1	<0.001
Educational level (n %)					<0.001					<0.001
Primary	110	3.8	183	2.8		361	3.5	529	2.1
Secondary	1070	37.2	2065	31.2		3756	36.0	7266	28.8
Higher education	1685	58.6	4361	65.8		6263	60.0	17,302	68.6
Missing data	9	0.3	16	0.2		59	0.6	120	0.5
Marital status (n %)					0.78					0.001
Single, divorced, separated or widowed	578	20.1	1311	19.8		3002	28.8	6717	26.6
Living with a partner	2289	79.6	5300	80.0		7420	71.1	18,456	73.2
Missing data	7	0.2	14	0.2		17	0.2	44	0.2
Size of the residential city (n %)					0.63					0.015
Rural	584	20.3	1395	21.1		2299	22.0	5519	21.9
Paris area	542	18.9	1227	18.5		1952	18.7	4396	17.4
Urban, 20,000–200,000 inhabitants	518	18.0	1253	18.9		1902	18.2	4660	18.5
Urban, < 20,000 inhabitants	461	16.0	988	14.9		1551	14.9	3737	14.8
Urban, > 200,000 inhabitants	762	26.5	1748	26.4		2694	25.8	6833	27.1
Missing data	7	0.2	14	0.2		41	0.4	72	0.3

^a: p-value for t-test for age and for chi² for every other categorical variables
SD Standard-deviation

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