Health and Quality of Life Assessment Project for Caregivers of Idiopathic Pulmonary Fibrosis Patients

Inclusion Criteria: Patient inclusion criteria: * Patient rescruited from prevalent cases and incidents of patients with IPF according to the diagnostic criteria of the 2011 ATS/ERS/JRS/ALAT recommendations, for which a follow-up is planned or is in progress * Patient with a validated IPF diagnosis in multidisciplinary discussion in a Competence or Reference Centre. Regardless of the stage of the disease. * Patient who has not opposed their enrollment in the study * Adult patient * Patient able to be assessed every 6 months by principal investigator * A patient who can designate a non-professional primary caregiver regardless of kinship, age or involvement with the patient (the primary caregiver is defined as the person who works most frequently with the patient). Only one caregiver is retained per patient. * Patient with no memory or comprehension problems and able to read and write French Caregiver Inclusion Criteria: * Caregiver designated by the patient as his or her primary caregiver * Caregiver who has not opposed their participation in the study * Adult caregiver * Caregiver with no comprehension problems and able to read and write in French * Caregiver with no memory problems Exclusion Criteria: * Person subject to a measure of legal protection (curatorship, guardianship) * Person with a legal guardian * Adult unable to consent Patient non-inclusion criteria: * Psychiatric, cognitive or neurological disorders making assessment impossible * Patient suffering from another medical condition considered severe by the investigator and which may interfere with the consequences of IVF (for example, active cancers, motor disability of neurological origin, osteo-articular diseases inducing dependence...) * Not likely to complete a self-administered questionnaire Caregiver non-inclusion criteria: * Psychiatric, cognitive or neurological disorders making assessment impossible * Not likely to complete a self-administered questionnaire