Evidence-Based Complementary and Alternative Medicine / 2011 / Article / Tab 4

Research Article

Suan Zao Ren Tang as an Original Treatment for Sleep Difficulty in Climacteric Women: A Prospective Clinical Observation

Table 4

The estimates of regression coefficients and standard errors for modeling outcomes of Pittsburg sleep quality index subscales.

Variable definitionsPSQI subscales
Subjective sleep quality Sleep latency Sleep duration Habitual sleep efficiency Sleep disturbances Daytime dysfuction

MRS at baseline
(<16 versus ≥16)
Sleep quality at baseline
(poor versus very poor)
Mean score improvement at week 1 versus baseline0.0200.030−0.0600.0420.0300.0370.0490.045−0.0200.027−0.0630.045
Mean score improvement at week 4 versus baseline−0.129***0.031−0.106*0.044−0.159***0.038−0.217***0.047−0.121***0.028−0.120*0.047
Body Mass Index
(<25 versus ≥25)
Marital status
(married versus others)
Educational level
(college or above versus others)

PSQI: the Pittsburg sleep quality index.
MRS: the menopause rating scale.
Sleep quality is an item of the Pittsburg sleep quality index on a 4-point scale: 0 is very good sleep quality; 1 is fairly good sleep quality; 2 is fairly bad sleep quality; 3 indicates very bad sleep quality.
*indicates ;  **indicates ;  ***indicates .