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Table 4 Validity indices of the questionnaire on harassment and control by electronic tools in the detection of offline IPV

From: “Validation of a cyberbullying questionnaire as a screening tool for other forms of intimate-partner violence towards young women”

  All 18–24 years 25–29 years
% 95% CI % 95% CI % 95% CI
Positive cases 5.9 4.1 8.4 7.8 5.2 11.7 3.3 1.6 6.9
Sensitivity 47.1 33.7 60.8 62.5 44.5 77.6 21.1 7.9 45.5
Specificity 99.1 97.5 99.6 99.6 97.0 99.9 98.4 95.2 99.5
Positive Predictive Value 85.7 67.1 94.6 95.2 71.7 99.4 57.1 20.8 87.1
Negative Predictive Value 94.0 91.4 95.8 95.1 91.6 97.2 92.6 88.0 95.5
Positive odds ratio 50.12 147.50 13.33
Negative odds ratio 0.53 0.38 0.80
Overall efficiency of the test 93.5 91.1 96.7 95.1 92.6 97.7 91.4 87.6 95.2