Table 1.

Sociodemographic characteristics of the sample (Nutrinet-Santé Study 2009–2015, n = 93,823).

Sociodemographic Characteristics	n	%	p 1
Sex			<0.0001
Men	20,632	21.9
Women	73,191	78.1
Age (years)			<0.0001
18–30	9856	10.5
30–50	39,082	41.6
50–65	27,630	29.4
65+	17,255	18.3
BMI (kg/m2)			<0.0001
≥30	8541	9.1
25–30	20,059	21.3
20–25	60,176	64.1
<20	5047	5.3
Educational level			<0.0001
Post graduate	32,702	34.8
Under graduate	29,155	31.0
Secondary	29,541	31.4
Primary	2425	2.5
Occupational categories
Managerial staff	21,511	22.9
Intermediate profession	15,171	16.1
Self-employed	1989	2.1
Manual worker	18,397	19.6
Retired	20,949	22.3
Never employed	15,806	16.8
Monthly household income classes			<0.0001
Refused to declare	10,951	11.6
>2700 €	21,752	23.1
1800–2700 €	21,762	23.1
1200–1800 €	23,101	24.6
<1200 €	16,257	17.3
Smoking status			0.01
Smoker	14,453	15.4
Ex-smoker	33,296	35.4
Never smoked	46,074	49.1
Household composition			<0.0001
Alone without children	21,447	22.8
Alone with at least one child	4041	4.3
Two adults living as a couple without children	41,486	44.2
Two adults living as w couple with at least one child	26,849	28.6

¹ p for chi² tests.