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Objective: To determine the relationship between geophagy (mouthing of dirt, sand, clay, or mud) and growth faltering in young children., Study Design: We examined linear growth as height and weight standardized by age and sex, and weight standardized by height, in a cohort of children aged 6-36 months in rural Mirzapur, Bangladesh. We determined geophagy behavior at baseline through caregiver report. Anthropometric measurements were assessed at baseline and at a 1-year follow-up., Results: We found that among children not stunted at baseline, those with caregiver-reported geophagy at baseline grew less over 1 year compared with their peers, with a difference in the change of standardized height for age and sex of -0.31 (95% CI, -0.61 to -0.01)., Conclusion: These findings show that caregiver-reported geophagy was associated with growth faltering in a pediatric population in rural Bangladesh. Future studies are needed to learn more about this exposure pathway and its relevance to child growth., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Objective: To investigate the relationship between unsafe child feces disposal, environmental enteropathy, and impaired growth, we conducted a prospective cohort study of 216 young children in rural Bangladesh., Study Design: Using a prospective cohort study design in rural Bangladesh, unsafe child feces disposal, using the Joint Monitoring Program definition, was assessed using 5-hour structured observation by trained study personnel as well as caregiver reports. Anthropometric measurements were collected at baseline and at a 9-month follow-up. Stool was analyzed for fecal markers of environmental enteropathy: alpha-1-antitrypsin, myeloperoxidase, neopterin (combined to form an environmental enteropathy disease activity score), and calprotectin., Findings: Among 216 households with young children, 84% had an unsafe child feces disposal event during structured observation and 75% had caregiver reported events. There was no significant difference in observed unsafe child feces disposal events for households with or without an improved sanitation option (82% vs 85%, P = .72) or by child's age (P = .96). Children in households where caregivers reported unsafe child feces disposal had significantly higher environmental enteropathy scores (0.82-point difference, 95% CI 0.11-1.53), and significantly greater odds of being wasted (weight-for-height z score <-2 SDs) (9% vs 0%, P = .024). In addition, children in households with observed unsafe feces disposal had significantly reduced change in weight-for-age z-score (-0.34 [95% CI -0.68, -0.01] and weight-for-height z score (-0.52 [95% CI -0.98, -0.06])., Conclusion: Unsafe child feces disposal was significantly associated with environmental enteropathy and impaired growth in a pediatric population in rural Bangladesh. Interventions are needed to reduce this high-risk behavior to protect the health of susceptible pediatric populations., (Copyright © 2016 Elsevier Inc. All rights reserved.)