注1. Scott Coltrane, “Research on Household Labor: Modeling and Measuring Social Embeddedness of Routine Family Work.” Journal of Marriage and Family 62, no. 4 (2000): 1208-33
注 2. Constance T. Gager and Scott T. Yabiku, “Who Has the Time? The Relationship Between Household Labor Time and Sexual Frequency,” Journal of Family Issues 31, no. 2 (2010): 135-63; Neil Chethik, VoiceMale: What Husbands Really Think About Their Marriages, Their Wives, Sex, Housework, and Commitment (New York: Simon & Schuster, 2006); and K. V. Rao and Alfred DeMaris, “Coital Frequency Among Married and Cohabiting Couples in the United States,” Journal of Biosocial Science 27, no. 2 (1995): 135-50.