This folder includes the supplementary figures, tables and datas associated with an article submitted to Epigenetics (Mariana Mescouto Lopes, Gabriel Costa Monteiro Moreira, Aurélie Chaulot-Talmon, Anne Frambourg, Valentin Costes, Julie Demars, Elodie Merlot, Hélène Jammes. The effect of environmental enrichment on immune cell DNA methylation profiles depends on the parity of sows). The dataset allows the investigation of age, parity number or housing effects on methylation of peripheral mononuclear cells DNA.