Bibliographic Details
| Title: |
The structure of well-being: a single underlying factor with genetic and environmental influences. |
| Authors: |
Bjørndal, Ludvig Daae1 (AUTHOR) l.d.bjorndal@psykologi.uio.no, Nes, Ragnhild Bang1,2,3 (AUTHOR), Czajkowski, Nikolai1,2 (AUTHOR), Røysamb, Espen1,2 (AUTHOR) |
| Source: |
Quality of Life Research. Oct2023, Vol. 32 Issue 10, p2805-2816. 12p. 2 Diagrams, 4 Charts, 1 Graph. |
| Subject Terms: |
*CONFIRMATORY factor analysis, *EXPLORATORY factor analysis, *WELL-being, *GENETIC models, PSYCHIATRIC research |
| Abstract: |
Purpose: The structure of well-being has been debated for millennia. Dominant conceptualisations, such as the hedonic and eudaimonic models, emphasise different constituents of the well-being construct. Some previous studies have suggested that the underlying structure of well-being may consist of one or a few general well-being factors. We conducted three studies to advance knowledge on the structure of well-being comprising more than 21,500 individuals, including a genetically informative twin sample. Methods: In Study 1, we used hierarchical exploratory factor analysis to identify well-being factors in a population-based sample of Norwegian adults. In Study 2, we used confirmatory factor analysis to examine the model fit of the identified factor model in an independent sample. In Study 3, we used biometric models to examine genetic and environmental influences on general well-being factors. Results: We identified six well-being factors which all loaded on a single higher-order factor. This higher-order factor may represent a general "happiness factor", i.e. an h-factor, akin to the p-factor in psychopathology research. The identified factor model had excellent fit in an independent sample. All well-being factors showed moderate genetic and substantial non-shared environmental influence, with heritability estimates ranging from 26% to 40%. Heritability was highest for the higher-order general happiness factor. Conclusion: Our findings yield novel insights into the structure of well-being and genetic and environmental influences on general well-being factors, with implications for well-being and mental health research, including genetically informative studies. [ABSTRACT FROM AUTHOR] |
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