Evidence is obtained to support the validity and reliability of the multidimensional structure of the nine-item MNWS. The data suggest that the MNWS has individual constructs on Negative Affect (depressed mood; irritability, frustration, or anger; anxiety; difficulty concentrating), Insomnia (difficulty going to sleep; difficulty staying asleep), Craving, Restlessness, and Increased Appetite. As such, analyzing each construct separately would strengthen the analysis of the popular MNWS.
Results of this study are consistent with previous investigations, suggesting cetirizine HCl 10 mg taken once daily in the morning offers symptomatic relief that improves the HRQL of adults suffering from SAR.
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