highly significantp < 0.001
Results A highly significant proportion of nurses having SC were satisfied with the level of oral hygiene instructions they had received, X 2 = 12.29, d.f. = 1, n = 188, p < 0.001, and the factor of awareness of its benefits associated with SC education, X 2 = 6.55, d.f. = 1, p = 0.010.