Reliability of sexual behavior data among high school students in Rome.


We compared findings on sexual behavior from a self-administered questionnaire and a face-to-face interview, separated by 2-4 weeks, directed at 383 Italian secondary school students. The correlation coefficients or kappa values for reported prevalence of coital experience, age at first intercourse, and age of first partner were all greater than 0.7. The… (More)


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