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Following 8 weeks of treatment, quetiapine at doses of 300 and 600 mg/day was associated with significant improvements in the majority of the individual MADRS items when compared with placebo (p < 0.05 vs placebo, Figure 5), with the exceptions of apparent sadness for quetiapine 300 mg/day, and concentration difficulties and lassitude for 600 mg/day.
This implies that Filipinos will indicate either higher or lower scores on these items when compared to the other ethnic groups, even when their global QoL is the same.
Mean scores for the plain pack ranged from 1.24 to 1.99, which were significantly lower for all 11 items when compared with each of the other four packs (all p<0.01).
This procedure has been previously used [ 3, 8- 10, 35], with the main advantage that it ensures a 100% response rate and a good comprehension for all items, when compared with a self-administered survey.
Subsequent quantitative data collection and analyses will address the psychometric properties of the questionnaire, including the construct validity of some of the single items when compared with existing multi-item scales, item responsiveness, between-item correlations, and other relevant metrics (manuscript in preparation).
Similarly, in the Kempen and Suurmeijer scale 'climbing a flight of stairs inside' appears in the top 3rd of most difficult items, but this is a relatively easy mobility items when compared to the mobility hierarchy presented in Haley et al. [ 66].
Similar(53)
For DIF in particular, the Rasch model identifies items for which being a member of a certain sub-group of test-takers affects the probability of endorsement of that item when compared to other groups.
Most items appeared valid when compared to alternative measurement methods including the Sickness Impact Profile and evaluation by a physician in a structured interview.
The identified evidence in support of the BPI-SF average pain item is weaker when compared with FDA PRO guidance criteria.
Midwives especially seemed less than secure in their capability of carrying out a test for HbP-carrier status as they scored significantly lower on this item (personal control) when compared to GPs.
As in other workplaces, several types of interpersonal items are statistically significant when compared to everyday talk, such as deontic modality, hedges and fillers, certain back channels and the pronoun we.
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