Cilj ovog istraživanja bio je ispitati odnos između broja radnih sati i psihofizičkog (psihološkog i muskuloskeletalnog) zdravlja zaposlenih roditelja te provjeriti moderatorski efekt spola i medijatorske efekte dvije dimenzije konflikta rad – obitelj (vremenski i konflikt opterećenja) na ovaj odnos. Provelo se korelacijsko istraživanje on-line metodom na uzorku od 377 sudionika zaposlenih minimalno 6 mjeseci te s minimalno jednim djetetom mlađim od 18 godina. Sudionici su ispunili Skalu muskuloskeletalnih simptoma (Barton i sur., 1995), Upitnik općeg zdravlja-12 (Goldberg, 1988) te dvije subskale Skale konflikta radne i obiteljske uloge (Subskala vremenski konflikt i Subskala konflikt opterećenja smjer rad – obitelj) (Carlson, Kacmar i Williams, 2000). Rezultati su pokazali da su radni sati samostalan prediktor obje dimenzije konflikta rad – obitelj, te da je konflikt opterećenja, ali ne i vremenski konflikt, samostalan prediktor psiholoških i muskuloskeletalnih simptoma zaposlenih roditelja. Nadalje, potvrđen je moderatorski efekt spola na odnos između broja radnih sati i zdravlja sudionika, a potpuni medijacijski efekt konflikta opterećenja na isti odnos potvrđen je samo kod žena. Suprotno očekivanjima, vremenski konflikt nije posredovao odnosu broja radnih sati i zdravlja zaposlenih majki.The goal of this study was to examine the relationship between work hours and psychophysical (psychological and musculoskeletal) health of working parents and to examine whether sex moderates this relationship. Also, we wanted to know if two dimensions of work into life conflict (Time-based and Strain-based) mediate this relationship. On-line correlatin research was conducted on a sample of 377 participants who were at least 6 months employed and had at least one child under the age of 18. Participants completed Musculoskeletal symptoms scale (Barton et al., 1995), GHQ-12 (Goldberg, 1988) and two subscales of the Work-family conflict scale (Time-based and Strain-based work into family) (Carlson, Kacmar and Williams, 2000). The results showed that work hours have a significant independent contribution in predicting both subscales of work into family conflict. Also, Strain-based, but not Time-based conflict, has a significant independent contribution in predicting psychological and musculoskeletal symptoms of working parents. Furthermore, sex moderated the relationship between work hours and health. Also, Strain-based conflict fully mediated the same relationship, but only in women. Contrary to our expectations, Time-based conflict did not explain the relationship between work hours and health of working mothers
