there are limited documents about hiv patients switched to second-line antiretroviral therapy (art) in resource-limited countries. we aimed to assess the efficacy of second-line art for hiv patients following first-line art failure. this was a cohort study of hiv/aids patients with first-line art treatment failure switched to second-line art between january 2004 and march 2014, who followed for...

objective: there are various attempts to confirm variables that could predict postpartum depression in advance. this study determined antenatal risk factors for postpartum depression in women at risk of developing this disorder. methods: a prospective cohort study was conducted with 2279 eligible women who attended at mazandaran province’ primary health centers from 32-42 weeks of pregnancy to ...

objective: bipolar disorder is strongly associated with suicidal ideations, attempts and commissions. although several studies have been conducted on suicide risk factors in patients with bipolar disorder worldwide, a comprehensive study has not been reported from iran. methods: patients with bipolar disorder type i, hospitalized in iran hospital of psychiatry since may 2008 to august 2011 were...

Background: There is a significant burden of sleep disordered breathing (SDB) in patients living with severe and complex obesity undergoing pre-bariatric surgery assessment. This longitudinal observational study evaluated the hypoventilation syndrome (OHS) this cohort therapeutic compliance commenced on positive airway pressure treatment.

We examined the relationship between parent-perceived neighborhood safety and children's physical activity, sedentary behavior, body mass, and obesity status using 9 years of longitudinal data (1999-2007) on a cohort of approximately 19,000 US kindergartners from the Early Childhood Longitudinal Study. Children's height and weight measurements and parent perceptions of neighborhood safety were ...

We examined the relationship between parent-perceived neighborhood safety and children’s physical activity, sedentary behavior, body mass, and obesity status using 9 years of longitudinal data (1999–2007) on a cohort of approximately 19,000 US kindergartners from the Early Childhood Longitudinal Study. Children’s height and weight measurements and parent perceptions of neighborhood safety were ...

BACKGROUND Cesarean delivery may reduce placental-fetal transfusion and thus increase the risk of early childhood anemia compared with vaginal delivery, but this notion has not been carefully studied in longitudinal cohorts. OBJECTIVE The aim was to assess the association of cesarean delivery with anemia in infants and children in 2 longitudinal Chinese birth cohorts from different socioecono...

21 Background: The longitudinal birth cohort study is the preferred design for studies of childhood 22 health, particularly atopic disease. Still, prospective data collection depends on recollection of the 23 medical history since the previous visit representing a potential recall-bias. We aimed to ascertain the 24 quality of information on atopic disease and other health symptoms reported by p...