Quality of Life Research

Do not test for baseline imbalances unless they are known to be present?

• Commentary

Vance W. Berger

In reply to Berger “don’t test for baseline imbalances unless they are known to be present?”

P. M. Fayers, M. T. King

Normative data of the SF-12 health survey with validation using postmyocardial infarction patients in the Dutch population

• Open Access

Floortje Mols, Aline J. Pelle, Nina Kupper

Association of insomnia with quality of life, work productivity, and activity impairment

Susan C. Bolge, Justin F. Doan, Hema Kannan, Robert W. Baran

Continence specialists use of quality of life information in routine practice: a national survey of practitioners

Kirstie L. Haywood, Andrew M. Garratt, Sandra Carrivick, Joanne Mangnall, Suzanne M. Skevington

Quality of life of patients with irritable bowel syndrome in Korea

Jae Myung Park, Myung-Gyu Choi, Yong Sung Kim, Chang Hwan Choi, Suck Chei Choi, Su Jin Hong, Jeong Jo Jeong, Dong Ho Lee, Joon Seong Lee, Kwang Jae Lee, Hee Jung Son, In Kyung Sung

Having a fit: impact of number of items and distribution of data on traditional criteria for assessing IRT’s unidimensionality assumption

Karon F. Cook, Michael A. Kallen, Dagmar Amtmann

Replenishing a computerized adaptive test of patient-reported daily activity functioning

Stephen M. Haley, Pengsheng Ni, Alan M. Jette, Wei Tao, Richard Moed, Doug Meyers, Larry H. Ludlow

Rasch analysis of 24-, 18- and 11-item versions of the Roland-Morris Disability Questionnaire

Megan Davidson

Establishing construct validity for the thyroid-specific patient reported outcome measure (ThyPRO): an initial examination

Torquil Watt, Jakob Bue Bjorner, Mogens Groenvold, Åse Krogh Rasmussen, Steen Joop Bonnema, Laszlo Hegedüs, Ulla Feldt-Rasmussen

Design of a questionnaire for evaluating the quality of life of postpartum women (PQOL) in China

• Open Access

Sui-Zan Zhou, Xiao-Li Wang, Yan Wang

The precision of health state valuation by members of the general public using the standard gamble

Ken Stein, Matthew Dyer, Ruairidh Milne, Alison Round, Julie Ratcliffe, John Brazier

The construct validity of the Health Utilities Index Mark 3 in assessing mental health in population health surveys

David Feeny, Nathalie Huguet, Bentson H. McFarland, Mark S. Kaplan