Psychometric evaluation of a Chinese version of the Lee Fatigue Scale-Short Form in women during pregnancy and postpartum

Shao Yu Tsai, Shiow Ching Shun, Yeur Hur Lai, Ya Ling Lee, Shih Yu Lee*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Background: Fatigue is among the most prevalent and distressing symptoms in pregnant and postpartum women. Estimating fatigue severity with a psychometrically sound instrument provides the most fundamental information for understanding women's fatigue experience and assessing the need for intervention to improve maternal and infant health outcomes. Objectives: To evaluate the psychometric properties of a Chinese version of the 7-item Lee Fatigue Scale-Short Form (C-LFS-SF) in pregnant and postpartum women. Methods: The study was composed of two phases: translation of the scale into Chinese and examination of content validity, and testing to establish the reliability and validity. A convenience sample of 124 women completed health-related questionnaires, kept a fatigue diary and wore a wrist actigraph for 7 days during the third trimester of pregnancy and within three months postpartum. Results: The C-LFS-SF showed satisfactory internal consistency (Cronbach's alpha. ≥ .97) and stability over the 7 days at each time point (intraclass correlation coefficient. >. .87). Exploratory factor analysis showed that 88-94% of the total variance was explained by the one-factor fatigue model. Significant associations among the C-LFS-SF and actigraphic sleep quantity and quality variables supported adequate construct validity. Conclusions: The C-LFS-SF has satisfactory psychometric properties and is an easy and promising tool for assessing maternal fatigue during routine prenatal and postpartum care. This scale needs to be further tested in a more diverse population of pregnant and postpartum women, like women with high risk pregnancies or with medical conditions.

Original languageEnglish
Pages (from-to)1027-1035
Number of pages9
JournalInternational Journal of Nursing Studies
Issue number7
StatePublished - Jul 2014


  • Actigraphy
  • Fatigue
  • Postpartum
  • Pregnancy
  • Sleep
  • Women


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