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Table 1 Initial analysis of person and item summary statistics

From: Psychometric properties of the Malay version Women’s Views of Birth Postnatal Satisfaction Questionnaire using the Rasch measurement model: a cross-sectional study

 

Person (n = 195)

Item (n = 30)

Cronbach’s alpha (α)

0.50

Reliability index (μ)

0.45

0.99

Separation index

0.90

9.02

Mean

0.09

0.00

Max measure

0.70

0.54

Min measure

−0.31

− 0.67

Spread

1.01

1.21

Standard deviation

0.16

0.42

Outfit

 Mean Square

1.01

1.01

 z-Standard

−0.20

0.20

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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