Item-subscale correlations showed that all items on the adult version of the PedsQL™ NF1 Module exceeded our criterion (0.40) for item discrimination, except for one item on the Worry subscale (worry about future or the risk of having children with NF1) with a correlation of 0.34.
This four component solution accounted for 62% of the total variance with adequate simple structure and item communalities ranging from.52 to.83, except for one item, "taking care of this problem interfered with my other responsibilities" which had a communality of.33.
In other words, is the set of choices for cost classes for the subderivations that use the same cost classes as except for one item in the tail of e, for which the next higher cost class is used.
Item-total scale correlations for all scales were satisfactory implying that the items in each scale contain a similar proportion of information concerning the construct being measured, except for one item in the 11-item Coordination of Care scale.
For the six remaining items, the coefficient ranged from 0.55 to 0.59, except for one item in the global satisfaction domain of the original CSS-VF (Q69, kappa = 0.44).
Overall, the test-retest reliability results showed moderate to almost perfect agreement for most of the items, except for one item about sedentary behaviour.
All items had a factor loading over the recommended threshold of 0.40 for their specific dimension, except for one item (q17: Are you satisfied with your graft?).
Except for one item ' I won't need help to EBF ' , participants scored more than 75% of the possible maximum scores indicating high exclusive breastfeeding control beliefs.
Except for one item, the psychological items fit the model and seem to support unidimensionality.
