Authors (Date) | Measure | Reliability (Cronbach’s Alpha) | Internal consistency (Inter-Item Correlations) | Test-test Reliability | Measurement error |
---|---|---|---|---|---|
Moran & Mohr (2005) [39] | BDI |  |  |  | BDI SEM = 3.26; HRSD SEM = 3.20 |
Aikens et al. (1999) [24] | BDI-II | Full BDI α = .86, Cognitive / Affective α = .85 Somatic α = .64 BDI-18 α = .84 |  |  |  |
Amtmann et al. (2014) [33] | PHQ-9; CESD-10; PROMIS-D-8 |  | PHQ-9 = .35-.67; CESD-10 = .33-.67; PROMIS-D-8 = .75-.84 |  |  |
Sjonnesen et al. (2012) [46] | PHQ-9 | α = .82 | Item-total correlations (PwMS): anhedonia (.71); depressed mood (.65); fatigue (.57) and concentration (.55). |  |  |
Chang et al. (2003) [37] | CMDI | Sleep Disturbance α = .64 Cognitive Inefficiency α = .86 Fatigue α = .94 Evaluative α = .82 Mood α = .95 |  |  |  |
Solari et al. (2003) [49] | CMDI | MS Vegetative α = .88 Evaluative α = .7 Mood α = .93 | Item-subscale: mood = .58-.80, evaluative = .37-.70, vegetative = .32-.57 | ICC = 0.78 (95 % CI 0.62–0.89); Subscales range 0.71–0.79 (2 weeks) |  |
Patten et al. (2010) [45] | CES-D |  |  | r = .69 over 1 year; r = .70 over 2 years; r = .65 over 3 years; r = .73 year 1-year 2; r = .73 year 2-year 3 |  |
Verdier-Taillefer et al. (2001) [48] | CES-D | α = .90 |  |  |  |