Social class of the main breadwinner	Frequency of mammograms	Total
Total	Total	9,306.8
Total	At least once a year	2,470.8
Total	Every two years	3,783.3
Total	Every three years or more	801.3
Total	Never	2,005.9
Total	No data recorded	245.5
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Total	976.1
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	At least once a year	335.9
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Every two years	371.4
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Every three years or more	73.7
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Never	170.5
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	No data recorded	24.6
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	Total	934.5
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	At least once a year	249.1
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	Every two years	356.7
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	Every three years or more	97.7
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	Never	207.4
II: Executives of companies with fewer than 10 employees, and professions associated  with intermediate degrees. Advanced technicians. Artists and sportspersons	No data recorded	23.5
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	Total	2,294.9
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	At least once a year	651.4
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	Every two years	919.6
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	Every three years or more	189.1
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	Never	482.1
III: Administrative type employees and Administrative and financial support professionals. Personal services and Security workers. Freelance workers. Supervisors of manual workers	No data recorded	52.7
IVa: Skilled manual workers	Total	2,421.8
IVa: Skilled manual workers	At least once a year	609.2
IVa: Skilled manual workers	Every two years	1,021.3
IVa: Skilled manual workers	Every three years or more	198.0
IVa: Skilled manual workers	Never	535.4
IVa: Skilled manual workers	No data recorded	57.9
IVb: Semi-skilled manual workers	Total	1,176.2
IVb: Semi-skilled manual workers	At least once a year	271.3
IVb: Semi-skilled manual workers	Every two years	486.8
IVb: Semi-skilled manual workers	Every three years or more	114.3
IVb: Semi-skilled manual workers	Never	282.9
IVb: Semi-skilled manual workers	No data recorded	20.8
V: Unskilled workers	Total	1,230.7
V: Unskilled workers	At least once a year	284.7
V: Unskilled workers	Every two years	529.2
V: Unskilled workers	Every three years or more	97.4
V: Unskilled workers	Never	295.6
V: Unskilled workers	No data recorded	23.8
No data recorded	Total	272.7
No data recorded	At least once a year	69.2
No data recorded	Every two years	98.3
No data recorded	Every three years or more	31.0
No data recorded	Never	32.1
No data recorded	No data recorded	42.2