Table 3, Table 4 and Table 5 show multiple stepwise logistic regression analysis of the relationship between excessive daytime sleepiness (EDS), sleep quality, and insomnia symptoms and various independent variables, after multiparametric adjustments for age, gender, obesity, co-morbidities and marital, educational, menopausal and smoking status
(1996) A multicenter study of sleep-wake rhythm disorders: therapeutic effects of vitamin B12, bright light therapy, chronotherapy and hypnotics
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The consistency of safety findings across these independent trials enhances confidence in the conclusions
Vitamin B-12 deficiency either indirectly makes people lose weight or gain weight