Using ecological socioeconomic position (SEP) measures to deal with sample bias introduced by incomplete individual-level measures: inequalities in breast cancer stage at diagnosis as an example

• Sébastien LamyUniversité Toulouse III - Paul Sabatier
• Florence Molinié
• Laëtitia Daubisse‐MarliacUniversité Toulouse III - Paul Sabatier
• Anne Cowppli‐Bony
• Stéphanie Ayrault-Piault
• E. FournierCentre Hospitalier Universitaire de Besançon
• Anne‐Sophie WoronoffCentre Hospitalier Universitaire de Besançon
• Cyrille DelpierreUniversité Toulouse III - Paul Sabatier
• Pascale GrosclaudeUniversité Toulouse III - Paul Sabatier