Table 1

Standardised* distribution of study populations for 2005 and 2010 Cancer Barometer surveys, P value for χ² test

Variables	Barometer 2005 (n=3820)		Barometer 2010 (n=3727)		P value
Variables	n	%	n	%	P value
Gender					0.660
Male	1854	48.5	1790	48.0
Female	1966	51.5	1937	52.0
Region					0.976
Ile-de-France	701	18.4	696	18.7
West Paris basin	380	10.0	348	9.3
East Paris basin	305	8.0	290	7.8
North	257	6.7	238	6.4
West	508	13.3	504	13.5
East	334	8.8	321	8.6
South West	414	10.9	412	11.1
South East	455	12.0	447	12.0
Mediterranean	457	12.0	471	12.6
Occupation					<0.001
Farmer	117	3.1	81	2.2
Self-employed/craftsman	220	5.8	270	7.2
Manager/executive	589	15.4	595	16.0
Professional	773	20.3	914	24.5
Employee/office worker	970	25.4	829	22.3
Manual worker	642	16.8	839	22.5
Other	506	13.3	199	5.3
Education level					<0.001
Inferior BAC*	1946	52.0	2270	61.2
BAC	651	17.4	635	17.1
Superior BAC	1146	30.6	803	21.7
Monthly income					<0.001
<€1000	414	13.2	399	12.1
€1000–1500	663	21.0	499	15.1
>€1500	2075	65.8	2401	72.8
Employment					<0.001
Employed	2146	56.2	1851	49.7
Unemployed	177	4.6	260	7.0
Inactive	1497	39.2	1615	43.3
Alcohol consumption					<0.001
Yes	3430	89.8	3195	85.7
No	389	10.2	532	14.3
Smoking status					<0.001
Yes	964	25.2	1195	32.1
No	2856	74.8	2532	67.9
Close relative with cancer					0.950
Yes	2366	62.1	2198	62.1
No	1446	37.9	1339	37.9
Living in couple					0.071
Yes	2465	64.6	2333	62.6
No	1351	35.4	1394	37.4
Complementary health insurance					<0.001
Yes	3518	92.6	3210	89.6
No	282	7.4	375	10.5
Basic health insurance					0.003
Yes	361	10.2	441	12.4
No	3182	89.8	3109	87.6

*Weighted by age, gender, region and educational level according to standard population of the 1999 and 2008 Employment Surveys (INSEE).
BAC, Baccalauréat (high-school diploma).