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2.2.3. The Self-Rating Scale of Sleep (SRSS)

JW Jinyao Wang
DL Danhong Li
XB Xiumei Bai
JC Jun Cui
LY Lu Yang
XM Xin Mu
RY Rong Yang
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The SRSS is a self-reported questionnaire which was tailored for the Chinese population by Chinese psychologist Li [23]. This scale includes 10 items, each statement has five graded answers, respectively scored as 1 to 5, total scores can range from 10 to 50. The aggregate scores of SRSS are classified into normal (scores<23), mild sleep disturbance (scores between 23 and 29), moderate sleep disturbance (scores between 30 and 39), and severe sleep disturbance (scores>39). The reliability (Cronbach’α=0.6418, P<0.001) and validity (r=0.5625, P<0.001) of SRSS have been established.

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