From: A systematic review of the association between dietary patterns and health-related quality of life
Inclusion criteria | Exclusion criteria |
---|---|
Original human observational studies (cross-sectional, case control or cohort studies) | Interventional studies, case series, systematic review/ meta-analysis, case reports |
Studies assessing the relationship between dietary patterns and HRQOL in all age groups and different disease | Studies that did not report HRQOL as an outcome |
Studies were included if they evaluated the HRQOL with a valid questionnaire including but not limited to: SF-12, SF-36, WHOQOL, EORTC QLQ-C 30, PedsQL 3.0DM | – |
Studies that evaluated the dietary intake by FFQ, 24-h recall methods, food records or similar instruments | – |
Studies that examined whole diet (regardless of methods used to define dietary patterns) | Studies that examined single nutrients, single foods, or single food groups |