Concepedia

Physical activity and the association with fatigue and sleep in Danish patients with rheumatoid arthritis

Katrine Løppenthin, Bente Appel Esbensen, Mikkel Østergaard, Poul Jennum, Anders Tolver, Mette Aadahl, Tanja Thomsen, Julie Midtgaard

Rheumatology International · 2015 · 55 citations · 52 references

DOI

Concepts

References

52

The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research

Daniel J. Buysse, Charles F. Reynolds, T. H. Monk et al. · Psychiatry Research · 1989 · 34.7K citations

, , +16

Regularization and Variable Selection Via the Elastic Net

Hui Zou, Trevor Hastie · Journal of the Royal Statistical Society Series B (Statistical Methodology) · 2005 · 21K citations · Full text

, , +15

2010 Rheumatoid arthritis classification criteria: An American College of Rheumatology/European League Against Rheumatism collaborative initiative

Daniel Aletaha, Tuhina Neogi, Alan J. Silman et al. · Arthritis & Rheumatism · 2010 · 9.6K citations · Full text

, , +13

Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research.

Carl J. Caspersen, K E Powell, Gregory M. Christenson · PubMed · 1985 · 9.2K citations

, , +7

Measurement of patient outcome in arthritis

James F. Fries, Patricia W. Spitz, R. Guy Kraines et al. · Arthritis & Rheumatism · 1980 · 4.4K citations

, , +13