“…There is growing evidence in the literature of the effectiveness of nurse-given patient education on increase in knowledge acquisition and promotion of self-care behaviours (Derdiarian, 1989;Dodd, 1981Dodd, , 1982aDodd, , 1982bDodd, , 1983Dodd, , 1984aDodd, , 1984bDodd, , 1984cDodd, , 1987Dodd, , 1988aDodd, , 1988bDodd et al, 1996;Graydon et al, 1997;Luker et al, 1995;Nettles-Carlson, Field, Friedman & Smith, 1988;Thomas & Dodd, 1992;Weintraub & Hagopian, 1990). Also, the need to study the cost-effectiveness of nursing care has been identified by a number of authors (Henry et al, 1987;Hermansdorfer, Henry, Moody & Smyth, 1990;Ingersoll, Hoffart & Schultz, 1990).…”