Joanne J Katz

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Maternal and child malnutrition in low-income and middle-income countries encompasses both undernutrition and a growing problem with overweight and obesity. Low body-mass index, indicative of maternal undernutrition, has declined somewhat in the past two decades but continues to be prevalent in Asia and Africa. Prevalence of maternal overweight has had a(More)
OBJECTIVE To evaluate the association of vascular factors with primary open-angle glaucoma (POAG). DESIGN A population-based prevalence survey of ocular disease among black and white residents. SETTING Communities of east Baltimore, Md. PARTICIPANTS A stratified cluster sample of 5308 residents 40 years of age or older. MAIN OUTCOME MEASURES Primary(More)
OBJECTIVE --To compare the prevalence of primary open-angle glaucoma between black and white Americans. DESIGN, SETTING, AND PARTICIPANTS --The design was a population-based prevalence survey of a noninstitutionalized black and white population aged 40 years or older from the eastern and southeastern health districts of Baltimore, Md. A multistage random(More)
OBJECTIVE To assess the impact on birth size and risk of low birth weight of alternative combinations of micronutrients given to pregnant women. DESIGN Double blind cluster randomised controlled trial. SETTING Rural community in south eastern Nepal. PARTICIPANTS 4926 pregnant women and 4130 live born infants. INTERVENTIONS 426 communities were(More)
BACKGROUND Zinc supplementation can reduce subsequent morbidity in children recovering from diarrhoea and respiratory illness in developing countries. However, whether routine supplementation would decrease morbidity and mortality in populations with zinc deficiency is unclear. We assessed the effect of daily zinc supplementation on children in southern(More)
Initiation of breast-feeding within 1 h after birth has been associated with reduced neonatal mortality in a rural Ghanaian population. In South Asia, however, breast-feeding patterns and low birth weight rates differ and this relationship has not been quantified. Data were collected during a community-based randomized trial of the impact of topical(More)
A detailed ocular examination, including perimetry, was conducted on 5308 black and white subjects aged 40 years and older in a population-based prevalence survey in east Baltimore, Md. Repeated, detailed examinations were carried out on selected subjects. Roughly half of all subjects with optic nerve damage from primary open angle glaucoma, regardless of(More)
Standardized perimetry and nerve fiber layer and color fundus photography were performed annually on 1344 eyes with elevated intraocular pressures. In 83 eyes, glaucomatous field defects developed that met rigid criteria on manual kinetic and suprathreshold static perimetry. Individual nerve fiber layer photographs were read by two masked observers. The(More)
OBJECTIVE To determine race-, age-, gender-, and refractive error-related differences in the size and topography of the optic disc in healthy Americans. DESIGN Population-based study. SETTING Eastern and southeastern health districts of Baltimore, Md. PARTICIPANTS A population-based sample of 4877 non-institutionalized black and white individuals aged(More)
The Baltimore Eye Survey was a population-based survey conducted from January 1985 to November 1988 among residents of east Baltimore, Maryland, who were 40 years of age or older. A total of 5,308 black subjects and white subjects received a comprehensive screening examination for glaucoma including tonometry, visual fields, stereoscopic fundus photography,(More)