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