Roberto Jorge Rona

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BACKGROUND There is uncertainty about the prevalence of food allergy in communities. OBJECTIVE To assess the prevalence of food allergy by performing a meta-analysis according to the method of assessment used. METHODS The foods assessed were cow's milk, hen's egg, peanut, fish, shellfish, and an overall estimate of food allergy. We summarized the(More)
BACKGROUND There is uncertainty regarding the prevalence of allergies to plant food. OBJECTIVE To assess the prevalence of allergies to plant food according to the different subjective and objective assessment methods. METHODS Our systematic search of population-based studies (since 1990) in the literature database MEDLINE focused on fruits,(More)
BACKGROUND Concerns have been raised about the psychological effect of continued combat exposure and of repeated deployments. We examined the consequences of deployment to Iraq and Afghanistan on the mental health of UK armed forces from 2003 to 2009, the effect of multiple deployments, and time since return from deployment. METHODS We reassessed the(More)
BACKGROUND There is considerable interest in understanding further the factors that increase the risk of post-traumatic stress disorder (PTSD) for military personnel. This study aimed to investigate the relative contribution of demographic variables; childhood adversity; the nature of exposure to traumatic events during deployment; appraisal of these(More)
BACKGROUND Post-traumatic stress disorder (PTSD) has been called one of the signature injuries of the Iraq War. In this review prevalence estimates of PTSD are summarized and discrepancies are discussed in relation to methodological differences between studies. METHOD We searched for population-based studies with a minimum sample size of 300. Studies(More)
This study assessed the contribution of baseline psychological symptoms, combat exposure, and unit support in the etiology of posttraumatic stress disorder (PTSD), and psychological distress. From 2004-2006, 67% of a random sample of 2,820 participants who had been assessed for psychological symptoms in 2002 were reassessed. Baseline psychological symptoms,(More)
BACKGROUND Deployment to the 2003 Iraq War was associated with ill health in reserve armed forces personnel. AIMS To investigate reasons for the excess of ill health in reservists. METHOD UK personnel who were deployed to the 2003 Iraq War completed a health survey about experiences on deployment to Iraq. Health status was measured using self-report of(More)
OBJECTIVE To determine whether birth weight and gestational age are associated with respiratory illness and lung function in children aged 5-11 years. DESIGN Cross sectional analysis of parent reported birth weight, gestational age, and respiratory symptoms; parental smoking and social conditions; forced vital capacity (FVC), forced expiratory volume in(More)
BACKGROUND Road traffic accidents are the leading cause of death for service personnel from the United Kingdom (UK). Little is known about the pattern of risky driving by these service personnel. METHODS Cross-sectional data (collected postdeployment, between June 2004 and March 2006) were analyzed from a large, randomly selected cohort of military(More)
OBJECTIVES This paper reports on a statistically significant association between alcohol use and deployment to the 2003 Iraq War. It assesses the occupational factors and deployment experiences associated with heavy drinking in regular UK servicemen deployed to Iraq in the first phase of the 2003 Iraq War (Operation TELIC 1, the military codename for the(More)