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Table 3 HRQoL measures for the general population in Sweden and HRQoL measures for the total study population at baseline and follow-up

From: The impact of service and hearing dogs on health-related quality of life and activity level: a Swedish longitudinal intervention study

Instrument n General populationa (40-49 years) Baseline (SD) Follow-up (SD) Diff. p-value Cohne's db
The total study population
 EQ-5D single index 53 0.86 0.441 (0.363) 0.491 (0.339) 0.050 0.234 0.162
 EQ-VAS 53 87 55.15 (21.125) 62.62 (19.450) 7.472 0.007* 0.384
 SF-6D 52 0.79 0.639 (0.126) 0.650 (0.126) 0.011 0.441 0.111
  1. *Statistically significant at a p-value level of 0.05 aGeneral population: index n=588 [22], VAS n=556 [22], SF-6D n=22 166 [23]. bCohen's d values: Small=0.2-0.5; Medium=0.5-0.8; Large>0.8