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. 2023 Sep 15;18(9):e0291635. doi: 10.1371/journal.pone.0291635

Table 3. Main characteristics of the DUFSS validations.

Resulting version Author/year Language version Version used Setting & Country Sample Results
8-item version Broadhead et al. [1988] [16] English 14-item Primary Care General Population
USA
n = 401
Women: 78%
Age: 35.7 (± *)
Medium-high socioeconomic status

AFE
CF: 3, 4, 5, 6 and 7
AF: 1, 2 and 8
Kathy B Isaacs et al. [2011] [35] English 8-items Specialized centre for pregnant women
USA
n = 186
Women: 100%
-
Low socioeconomic status
AFE
Unifactorial
H. M. Epino et al. [2012] [36] English 8-item Rural Primary Care
HIV-positive Rwanda
n = 603
Women: 62%
Age: 38 ± 10
Low socioeconomic status
AFE
Unifactorial
11-item version De la Revilla et al. [1991] [25] Spanish 11-item Primary Care
General Population Spain
n = 139
Women: 82%
Age: 46 ± 17.6
Low socioeconomic status
AFE
CF: 7,8,6,4,1 and 10
AF: 11,9,2,3 and 5
Bellón S. JA. et al. [1996 [15] Spanish 11-item Primary Care
General Population Spain
n = 656
Women: 72%
Age: 50.6 ± 18.9
Low socioeconomic status
AFE
CF: 1, 2, 6, 7,8,9 and 10
AF: 3, 4, 5 and 11
Alvarado BE. et al. [2005] [26] Spanish 11-item Municipal Population Register
Mothers of children between
6–18 m Colombia
n = 193
Women: 100%
-
AFE
CF: 4,5,10 and 11
AF: 6,7,8
Piña L. A. et al. [2007] [27] Spanish 11-item Rural specialized centre for HIV-positive individuals Mexico n = 67
Women: 32.40%
Age: 36.4 ± 10.6
Low socioeconomic status
AFE
Unifactorial
Ayala A. et al. [2012] [28] Spanish 11-item Municipal Population Register Noninstitutionalized seniors Spain n = 1012
Women: 56.30%
Age: 72.1 ± 7.8
-
AFE
CF: 7, 8, 6, 5, 4, 11 and 10; AF: 2, 1, 9 and 3
Cuellar-Flores L. et al. [2012] [29] Spanish 11-item Primary Care Caregivers Spain n = 128
Women: 85.90%
Age: 54.9 ± 15.1
-
AFE
CF: 2, 6, 7, 8, 9, 10 and 11; AF: 1, 3, 4 and 5
Mas-Exposito L. et al. [2013] [30] Spanish 11-item Specialized centre for people with mental illness Spain n = 241
Women: 32.40%
Age: 41.7 ± 11.6
Low socioeconomic status
AFE
CF: 4, 6,7,8, 10 and 11;
AF: 1, 2, 9, 3 and 5
Rivas Diez [2013] [31] Spanish 11-item Educational centres Chile n = 371
Women: 100%
Age: 37.6 ± 13.1
Medium-high socioeconomic status
AFE/AFC
CF: 4, 5, 6, 7, 8, 10 and 11
AF: 1, 2, 3 and 9
Specialized centre for victims of abuse Chile n = 97
Women: 100%
Age: 41.9 ± 10
Medium-low socioeconomic status
AFE/AFC
CF: 3, 5, 6, 7, 8, 9 and 10
AF: 1, 2, 4 and 11
Caycho R. T. et al. [2014] [33] Italian 11-item Specialized Centre for Peruvian Migrants Italy n = 150
Women: 58%
Age: 34.6 ± 10.3
Medium-low socioeconomic status
AFC
CF: 1,4,6,7,8 y10;
AF: 2, 3,5, 9 and 11
Mónica Aguilar-Sizer et al. [2021] [32] Spanish 11-item Educational centre for the general population Ecuador n = 535Women: 75.5%Age: 22± 5 AFE
CF: 6, 7 and 8
AF: 1, 2, 3, 4, 5, 9, 10 and 11
Martins, S. et al. [2022] [34] Portuguese 11-item Mother and fathers of young children educational centres Portugal n = 1.058
Women: 90.5%
Age: 35.7± 5.2 Medium-high socioeconomic status
AFC CF: 1, 6, 7,8,9 and 10 AF: 3, 4 and 5 IF: 2, 11, 12 and 13
14-item version Rebecca Saracino et al. [2014] [37] English 14-item Specialized centres for patients with incurable and advanced diseases (AIDS and cancer) USA n = 253
Women: 69.6%
Age: 58.2± 11 -
AFE Unifactorial
5-item/3-response version AFE Unifactorial

* Data not available. Factor analysis performed: Confirmatory Factor Analysis (CFA), Exploratory Factor Analysis (EFA)

CF (Confidential Factor), AF (Affective Factor) and FI (Instrumental Factor)