In the framework of the evaluation of a smoking prevention program for youngsters, a reliability study of the questionnaire was conducted.
The questionnaire was designed to measure attitudes, self-efficacy, perceived social norms, social skills, short-term and long-term intentions to smoke, knowledge of smoking restrictions at school, communication with smokers and non-smokers and smoking behaviour of the respondents as well of their parents, siblings and friends.
A total of 753 students were eligible for a test-retest evaluation of the questionnaire with a 2-weeks interval.
Out of these 753 pupils, 656 (87%) had duplicate questionnaires, reasons for drop-out mainly being absence and incorrect identification data resulting in problems of individual matching.
Test-retest agreement of the data was statistically evaluated according to intra-class correlation coefficients (ICC) and kappa statistics.
The ICC coefficients for attitude, self-efficacy and communication with smokers and non-smokers were between 0.57 and 0.80.
However, the mean score at the retest for self-efficacy and communication with smokers of the students as a group, showed a highly significant systematic increase compared to the first test.
Highest kappa statistics (>0.90) were found for smoking behaviour of the parents, while lowest velues were observed for each of the 3 perceived social norms items (±0. (...)
Mots-clés Pascal : Programme sanitaire, Prévention, Evaluation, Adolescent, Homme, Milieu scolaire, Questionnaire, Fidélité test, Psychométrie, Attitude, Comportement, Intention, Tabagisme, Belgique, Europe
Mots-clés Pascal anglais : Sanitary program, Prevention, Evaluation, Adolescent, Human, School environment, Questionnaire, Test reliability, Psychometrics, Attitude, Behavior, Intention, Tobacco smoking, Belgium, Europe
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0245104
Code Inist : 002B30A03B. Création : 11/09/1998.