Abstract
The increase of non-communicable diseases at all ages has fostered the general concern for sustaining population health worldwide. Unhealthy lifestyles and dietary habits impacting physical and psycho-social health are well known risk factors for developing life threatening diseases. Identifying the determinants of quality of life is an important task from a Public Health perspective. Consumer-Reported Outcome measures of health-related quality of life (HRQoL) are becoming increasingly necessary and relevant in the field of nutrition. However, quality of life questionnaires are seldom used in the nutrition field. We conducted a scientific literature search to find out the questionnaires used to determine the association between dietary habits and quality of life. A total of 13 studies were eligible for inclusion. Across these studies the short form-36, a generic (non-disease specific) HRQoL measurement instrument was the most widely used. However, generic measures may have limited content validity in the context of dietary habits interventions. We recommend additional contextual diet-specific HRQoL measures are also needed for evaluating the impact of diet habits on daily life functioning and well-being.
Highlights
Life expectancy has increased notably in the last years, non-communicable diseases at all ages are increasingly threatening the general population health globally
We identified only two nutrition-specific instruments: the Food Benefits Assessment (FBA; Guyonnet et al, 2008) and the Qualcibo questionnaire (Schünemann et al, 2010)
This review, designed to find out which instrument was mostly used to determine quality of life in relation to dietary habits, revealed that there are few studies that have been conducted to determine if the adherence to a specific dietary pattern could have a positive or negative influence on health-related quality of life (HRQoL) in the general population
Summary
Life expectancy has increased notably in the last years, non-communicable diseases at all ages are increasingly threatening the general population health globally. Measuring health-related quality of life (HRQoL) is related to the subjective perception of individuals’ health and well-being in relation to its social and cultural environment (Testa and Simonson, 1996). Together with other aspects of daily life such as physical activity and the relation with the environment, plays a crucial role in our state of physical and mental health. HRQoL questionnaires are an efficient way of gathering data about people’s daily functioning and psycho-social well-being. Health status measures have been shown to be a powerful predictor for chronic diseases and mortality over the long term in clinical practice (Wannamethee and Shapher, 1991)
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