title: Association Between Health-Related Quality of Life, Obesity, Fitness, and Sleep Quality in Young Adults: The Cuenca Adult Study.
abstract: The objectives of this study were to examine in university students: (a) the mean differences in the HRQoL among fat mass percentage, cardiorespiratory fitness (CRF) and sleep quality categories; and (b) the independent associations among fat mass percentage, CRF, and sleep quality with HRQoL.
  
  
  
  376 students, 18-30 years old, from the University of Castilla-La Mancha in Cuenca, Spain (during 2009-2010).
  
  
  
  Cross-sectional study measuring % fat mass (DXA), CRF (20-m shuttle run test), sleep quality (Pittsburgh Sleep Quality Index), and HRQoL (SF-12 questionnaire).
  
  
  
  The mean in Mental Component Summary (MCS) in men (p = .029) was lower in students in upper quartiles of % fat mass than in peers in other categories of % fat mass. Among men, MCS was significantly lower among those in the lowest quartile of CRF (p = .015), and among women, Physical Component Summary (PCS) was significantly lower among those in the lowest quartile of CRF (p = .047). MCS dimension of the HRQoL was lower in both men (p = .001) and women (p < .001) in upper quartiles of sleep quality. Multiple linear regression models showed that in men, CRF was associated with MCS (β = 0.25, p = .031), and sleep quality was associated with PCS (β = -0.24, p = .027) and MCS (β = -0.38, p < .001). In women, CRF was associated with PCS (β = 0.17, p = .018) and sleep quality with MCS (β= -0.44, p < .001).
  
  
  
  Finally, our findings suggest that, regardless of adiposity and fitness, having good sleep habits may positively influence the quality of life in young adults.
authors.affiliation: a Department of Emergency , Hospital Virgen de la Luz , Cuenca , Spain.
authors.forename: Pablo
authors.initials: P
authors.lastname: Franquelo-Morales
authors.affiliation: b Social and Health Care Research Center, Universidad de Castilla-La Mancha , Cuenca , Spain.|c School of Education, Universidad de Castilla-La Mancha , Ciudad Real , Spain.
authors.forename: Mairena
authors.initials: M
authors.lastname: Sánchez-López
authors.affiliation: b Social and Health Care Research Center, Universidad de Castilla-La Mancha , Cuenca , Spain.
authors.forename: Blanca
authors.initials: B
authors.lastname: Notario-Pacheco
authors.affiliation: b Social and Health Care Research Center, Universidad de Castilla-La Mancha , Cuenca , Spain.
authors.forename: José
authors.initials: J
authors.lastname: Miota-Ibarra
authors.affiliation: b Social and Health Care Research Center, Universidad de Castilla-La Mancha , Cuenca , Spain.
authors.forename: Noelia
authors.initials: N
authors.lastname: Lahoz-García
authors.affiliation: d Primary Care Research Unit, La Alamedilla Health Center , Salamanca , Spain.
authors.forename: Manuel Ángel
authors.identifier: 0000-0003-0133-6123
authors.initials: MÁ
authors.lastname: Gómez-Marcos
authors.affiliation: b Social and Health Care Research Center, Universidad de Castilla-La Mancha , Cuenca , Spain.|e Facultad de Ciencias de la Salud , Universidad Autónoma de Chile , Talca , Chile.
authors.forename: Vicente
authors.identifier: 0000-0001-6121-7893
authors.initials: V
authors.lastname: Martínez-Vizcaíno
mesh_terms: D000293:Adolescent; D000328:Adult; D000072599:Cardiorespiratory Fitness / Q000502:physiology*; D003430:Cross-Sectional Studies; D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009765:Obesity / Q000503:physiopathology*; D011788:Quality of Life; D012890:Sleep / Q000502:physiology*; D011795:Surveys and Questionnaires; D055815:Young Adult