TY  - GEN
AU  - Fletcher,Kenneth E
AU  - French,Cynthia T
AU  - Irwin,Richard S
AU  - Corapi,Kristin M
AU  - Norman,Geoffrey R
TI  - A prospective global measure, the Punum Ladder, provides more valid assessments of quality of life than a retrospective transition measure
SN  - 1878-5921
PY  - 2010///1116
KW  - Adult
KW  - Aged
KW  - Algorithms
KW  - Analysis of Variance
KW  - Chronic Disease
KW  - Cough
KW  - epidemiology
KW  - Female
KW  - Health Status Indicators
KW  - Humans
KW  - Male
KW  - Middle Aged
KW  - Prospective Studies
KW  - Psychometrics
KW  - Quality of Life
KW  - psychology
KW  - Reproducibility of Results
KW  - Surveys and Questionnaires
KW  - United States
N1  - Publication Type: Journal Article; Validation Study
UR  - https://doi.org/10.1016/j.jclinepi.2009.09.015
ER  -