Social class of the main breadwinner	Frequency of mammograms	Total
Total	Total	100.00
Total	At least once a year	27.27
Total	Every two years	41.75
Total	Every three years or more	8.84
Total	Never	22.14
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Total	100.00
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	At least once a year	35.31
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Every two years	39.03
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Every three years or more	7.75
I: Executives of Public Administrations and of companies with 10 or more employees, and professions associated with university degrees	Never	17.91
II: Executives of companies with fewer than 10 employees, and professions associated with intermediate degrees. Advanced technicians. Artists and sportspersons	Total	100.00
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	27.35
II: Executives of companies with fewer than 10 employees, and professions associated with intermediate degrees. Advanced technicians. Artists and sportspersons	Every two years	39.16
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	10.73
II: Executives of companies with fewer than 10 employees, and professions associated with intermediate degrees. Advanced technicians. Artists and sportspersons	Never	22.76
III: Administrative-type employees and administrative and financial support professionals. Personal services and security workers. Freelance workers. Supervisors of manual workers	Total	100.00
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	29.05
III: Administrative-type employees and administrative and financial support professionals. Personal services and security workers. Freelance workers. Supervisors of manual workers	Every two years	41.01
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	8.44
III: Administrative-type employees and administrative and financial support professionals. Personal services and security workers. Freelance workers. Supervisors of manual workers	Never	21.50
IVa: Skilled manual workers	Total	100.00
IVa: Skilled manual workers	At least once a year	25.77
IVa: Skilled manual workers	Every two years	43.20
IVa: Skilled manual workers	Every three years or more	8.37
IVa: Skilled manual workers	Never	22.65
IVb: Semi-skilled manual workers	Total	100.00
IVb: Semi-skilled manual workers	At least once a year	23.49
IVb: Semi-skilled manual workers	Every two years	42.13
IVb: Semi-skilled manual workers	Every three years or more	9.89
IVb: Semi-skilled manual workers	Never	24.49
V: Unskilled workers	Total	100.00
V: Unskilled workers	At least once a year	23.59
V: Unskilled workers	Every two years	43.85
V: Unskilled workers	Every three years or more	8.07
V: Unskilled workers	Never	24.49
No data recorded	Total	100.00
No data recorded	At least once a year	30.00
No data recorded	Every two years	42.66
No data recorded	Every three years or more	13.43
No data recorded	Never	13.92