Cross-cultural validation of the Jenkins Sleep Scale in Spanish-speaking countries

Author:

Palao-Loayza Luis1,Yupanqui-Lorenzo Daniel E.2ORCID,Arauco-Lozada Tania3,Caycho-Rodríguez Tomás4,Seminario Ortiz Heber Domingo2,Lobos Rivera Marlon Elías5,Cardoza-Sernaqué Manuel Antonio6,Pulido-Joo Luis Alexander7,Pulido-Capurro Víctor8,Cárcamo-Zepeda Eduardo9ORCID,Mendoza-Sierra María-Isabel1,Cuellar-Hernández Ma de Lourdes10,Torres López Alonso11,Torales Julio121314,Barrios Iván1214

Affiliation:

1. Universidad de Huelva, Spain

2. Universidad Privada del Norte, Peru

3. Universidad de Ciencias y Humanidades, Peru

4. Universidad Científica del Sur, Peru

5. Universidad Tecnológica de El Salvador, El Salvador

6. Universidad San Ignacio de Loyola, Peru

7. Universidad César Vallejo, Peru

8. Universidad Privada San Juan Bautista, Peru

9. Universidad Nacional Autónoma de Honduras, Honduras

10. Universidad Tecnológica de Altamira, Mexico

11. Universidad Santo Tomás, Chile

12. Universidad Nacional de Asunción, Paraguay

13. Universidad Nacional de Caaguazú, Paraguay

14. Universidad Sudamericana, Paraguay

Abstract

The study aimed to validate the Jenkins Sleep Scale (JSS-4) in six Spanish-Speaking countries. A total of 1726 people participated and were distributed between men (32.4%) and women (67.6%). Confirmatory factor analysis confirmed the unidimensional structure and high reliability of the JSS-4 overall (α = 0.85, ω = 0.81) and within each country. The invariance analysis revealed that JSS-4 exhibited complete invariance across countries, thus establishing a robust foundation for inter-group comparisons. Interestingly, a comparative analysis revealed significant differences in the average levels of sleep difficulties, with particularly high rates in Spain and Chile. Item Response Theory (IRT) showed sufficient discrimination parameters for all items, and a correlation of 0.998 between Confirmatory Factor Analysis (CFA) and IRT highlighted the robustness and reliability of the results obtained. In summary, JSS-4 exhibits strong evidence of validity and consistency in measurement invariance across the six countries.

Publisher

SAGE Publications

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