Workers who, “perform their work in a company office. However, at least one day per month, but not as frequently as once per week, they work from home during regular work hours. This category also includes employees who work just a few days per year from home” (Richman, Noble, & Johnson, 2002, p. 9).

Richman, A., Noble, K., & Johnson, A. (2002). When the workplace is many places. The extent and nature of off-site work today. Watertown, MA: WFD Consulting Inc.