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Table 3 Descriptive statistics for the Barriers to HIV Testing Scale – Karolinska version: number of items per scale, means, standard deviations (SD), floor and ceiling effects, and Cronbach’s α (N = 285)

From: Development and psychometric testing of a barriers to HIV testing scale among individuals with HIV infection in Sweden; The Barriers to HIV testing scale-Karolinska version

Scalea No. of items Mean SD Floor/ceiling effects (%)b α
Personal consequences 7 0.47 0.61 48.8/3.5 0.91
Structural barriers 6 0.24 0.40 58.2/0.7 0.78
Social and economic security 3 0.31 0.57 68.8/5.3 0.80
Confidentiality 2 0.48 0.70 61.4/11.9 0.80
  1. aPossible range for all scales: 0–2, higher levels indicating more barriers
  2. bPercentage of ratings at the lowest/highest possible score