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Table 1 CTDQ: Factorial structure and item reliability (0.789)

From: Psychometric properties of the Confidence and Trust in Delivery Questionnaire (CTDQ): a pilot study

Item Missing values Mean SD Item-diff. index Factor loading Cronbach’s α rItem-total
Total scale-wise Total scale-wise
Confidence in labor        0.824   
Upcoming labor is a source of joy 2 2.42 1.35 0.35 0.848 0.755 0.746 0.577 0.717
When I think of labor and its pain I tend to eagerly anticipate it - 3.15 1.39 0.45 0.825 0.763 0.775 0.520 0.655
Narratives and reports of labor have strengthened my joy and confidence - 3.40 1.35 0.49 0.750 0.748 0.785 0.632 0.633
When I think of labor I am sure to cope with the pain - 2.86 1.33 0.41 0.732 0.764 0.804 0.512 0.589
Partner’s support        0.619   
It is very important to me that my partner is at my side during labor 5 1.33 0.83 0.19 0.822 0.792 0.606 0.213 0.365
During labor there will always be a person I can trust - 1.51 0.95 0.22 0.727 0.767 0.468 0.511 0.464
I can trust the support of my partner during labor 3 1.45 0.82 0.21 0.614 0.777 0.474 0.418 0.464
Trust in medical competence        0.675   
I can trust the obstetrician during labor 3 2.13 1.14 0.30 0.885 0.786 - 0.312 0.560
I can trust the midwife during labor 6 1.58 0.78 0.23 0.824 0.776 - 0.426 0.560
Feeling informed        0.595   
I feel well informed about epidural analgesia - 2.67 1.50 0.38 0.921 0.802 - 0.242 0.444
I feel well prepared for my labor 2 2.58 1.14 0.37 0.664 0.755 - 0.599 0.444