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Table 7 Cronbach’s alpha of each EMC sub-scale and scale with 95% confidence intervals (N = 225)

From: Women’s experiences of maternity care in England: preliminary development of a standard measure

Scale Sub-scale N items Alpha Alpha (95% CI)
Pregnancy   12 0.847 0.82–0.88
Care appraisal 3 0.798 0.75–0.84
Information 2 0.672 0.59–0.76
Antenatal comm. 3 0.662 0.59–0.74
Continuity 2 0.588 0.49–0.69
Antenatal checks 2 0.456 0.32–0.59
Labour and birth   12 0.904 0.89–0.92
Care quality 7 0.867 0.84–0.89
Care needs 5 0.811 0.77–0.85
Postnatal   12 0.873 0.85–0.90
Adequacy of care 4 0.800 0.76–0.84
HP Communication 4 0.775 0.72–0.82
Individualised care 4 0.753 0.70–0.81