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Table 4 Psychometric properties of family quality of life measures—population specific/generic

From: Family reported outcomes, an unmet need in the management of a patient's disease: appraisal of the literature

Name of the measure/ key references

Country

Internal consistency (Cronbach’s alpha)

Test–retest

Content

Construct/convergent

Construct/divergent/discriminant

Criterion

MID

Responsiveness/sensitivity to change

1. PedsQLTM family impact module Varni et al. [143]

Scarpelli [153]

USA

Yes, (α = 0.97)

Yes, r = 0.81 to 0.96

NF

Yes

NF

NF

NF

NF

2. Impact on-Family Scale (15-item) Stein et al. [144]; Jalil et al. [146]

USA

Yes, (α = 0.73)

Yes, r = 0.9

Yes

Yes

NF

NF

NF

NF

3. Beach centre Family Quality of life Posten et a. [6]; Park et al. [147]; Hoffman et al. [154]; Waschl et al. [155]; Rivard et al. [156]

USA

Yes, α = 0.88–0.94

Yes, for subscale of importance r = 0.41–0.82, for satisfaction subscale, r = 0.60–0.77

Yes

Yes

Yes, divergent and discriminant

NF

NF

Yes (French version)

4. CareQoL Brouwer et al. [148]; Hoeffman et al. [157]

McCaffrey et al. [158]

Netherlands

Yes, α = 0.65

Yes, Carer 7D r = 0.55–0.94 and Carer VAS, r = 0.86

NF

Yes

Yes, discriminant

NF

NF

NF

5. Family Quality of life survey 2006 Isaac et al. [149]; Perry and Isaac [150], Samuel et al. [151]

Canada

Yes, α = 0.55–0.78

NF

Yes

Yes

NF

Yes

NF

NF

6. Family Reported Outcome Measure (FROM-16) Golics et al. [152]

UK

Yes, α = 0.80–0.89

r = 0.85–0.92

Yes

Yes

NF

Yes

NF

NF