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Table 3 Descriptive statistics, N, Mean (SD) for the APSA scores at baseline

From: Measuring subjective complaints of attention and performance failures - development and psychometric validation in tinnitus of the self-assessment scale APSA

Criterion Level N APS20 AP-F1 AP-F2
Educational level Less than 10 years of education 44 1.4 (0.8) 1.3 (0.8) 1.6 (0.9)
  10 or more years of education without a university degree 88 1.6 (0.7) 1.5 (0.8) 1.8 (0.8)
  University degree 79 1.3 (0.6) 1.2 (0.7) 1.5 (0.7)
Country US 116 1.5 (0.7) 1.4 (0.7) 1.7 (0.7)
  Germany 59 1.6 (0.8) 1.5 (0.8) 1.7 (0.9)
  Mexico 37 1.1 (0.7) 0.8 (0.7) 1.4 (0.8)
THI-12 categories no handicap: THI-12 < 6 36 1.0 (0.6) 1.0 (0.7) 1.1 (0.7)
  mild handicap: 6 ≤ THI-12 < 10 47 1.2 (0.5) 1.1 (0.6) 1.2 (0.5)
  moderate handicap: 10 ≤ THI-12 < 14 63 1.4 (0.6) 1.2 (0.7) 1.7 (0.7)
  severe handicap: THI-12 ≥ 14 63 1.9 (0.7) 1.8 (0.8) 2.2 (0.7)
Total   209 1.5 (0.7) 1.3 (0.8) 1.6 (0.8)
  1. Score ranges from 0 (most positive) to 4 (most negative).