italian version of the single-item literacy screener

Domains assessed: Application/function

Specific context: Health Promotion

Validation sample population age: Adults: 18 to 64 years, Older Adults: 65+ years

Modes of administration in validation study : Face-to-face

Time Cut-off: 0 minutes

Assessment: Self-reported

Number of items: 1

Sample size in validation study: 174

Administration Time (minutes): 1 minutes

Language of validated version: Italian

Scoring categories: Response recorded on a 5-point Likert-type scale and categorized as inadequate or adequate (score>=2 for inadequate HL).

Modern Approach for Tool Development: No

Country where validated: Italy

Criterion validity: As respect NVS: - Spearman’s rho= -0.679 (p<0.001). - Area Under ROC Curve: 0.847 considering “adequate HL” at the NVS vs “high likelihood of limited HL” + “possibility of limited HL” at NVS; 0.875 considering “adequate HL” +“possibility of limited HL” at the NVS vs “high likelihood of limited HL” at the NVS. - with a cut-off value of 2, considering “adequate HL” at the NVS vs “high likelihood of limited HL” + “possibility of limited HL” at NVS: 70.8% Sensitivity, 89.0% Specificity; 82.2% total accuracy; 79.3% Positive Predicted Value; 83.6% Negative Predicted Value, 0.6 Cohen's kappa value - with a cut-off value of 2, considering “adequate HL” + “high likelihood of limited HL” at the NVS vs “possibility of limited HL” at NVS: 83.3 Sensitivity, 82.6 Specificity, 82.8 total accuracy, 60.3 Positive Predicted Value, 94.0 Negative Predicted Value, 0.6 Cohen's kappa value