TY - JOUR A1 - Pepin, J.R. A1 - Sayer, L.C. A1 - Casper, L.M. T1 - Marital status and mothers’ time use: Childcare, housework, leisure, and sleep Y1 - 2018 DO - 10.1007/s13524-018-0647-x VL - 55 IS - 1 ER -