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[Quasi-experimental evaluation of a nutritional educational intervention among home support assistants for the
P Barberger-Gateau1, C Helmer, S Ouret
1Unité INSERM U593 Epidémiologie, Santé Publique et Développement, Université Victor-Segalen-Bordeaux 2, 146, rue Léo-Saignat, 33076 Bordeaux Cedex. Pascale.Barberger-Gateau@isped.u-bordeaux2.fr
Background:
The French National Program on Nutrition and Health has defined two specific objectives targeting older persons: (i) to improve their status in calcium and vitamin D and (ii) to prevent undernutrition. Home help provides support in activities of daily living, including meals, to dependent persons. The objective of our study was to evaluate the impact of a nutritional education intervention on knowledge and practices among home support assistants for the elderly.
Methods:
Three facilities providing home support in Gironde (France) selected 132 home support assistants to follow an education program and 134 controls. Nutrition training was conducted in the intervention group by a dietician during two half-day sessions in May-June 2004. A non randomized controlled trial design was used for evaluation. Nutritional knowledge (20 questions) and practice (5 questions) of home support assistants were assessed by questionnaire before (April 2004) and after (September 2004) the training period in each group. Satisfaction of the intervention group was also assessed.
Results:
The intervention group included 101 participants and the control group 106 persons who answered both questionnaires before and after the education program. The intervention group was significantly younger (p < 0.05), less educated (p = 0.01) and had less often participated to previous nutrition training (p < 0.001) than the control group. There was no significant difference between the two groups before intervention for their mean scores of knowledge or practices. The intervention group significantly improved its knowledge score (mean gain 2.5 points, p < 0.001) after the training period, whereas the score remained unchanged in the control group (mean gain 0.5 points, p = 0.06). The impact of the nutritional education was very significant (p < 0.0001) after adjustment for the characteristics which differed between the two groups. The practice scores did not differ significantly after intervention in multivariate analyses. Satisfaction of trained home support assistants was very high.
Conclusion:
An education program of home support assistants for elderly persons can improve their nutritional knowledge, but this study cannot conclude that the intervention was efficient to improve the nutritional status of older persons.
