Itziar Familiar1, Shalean M Collins2, Alla Sikorskii3, Horacio Ruisenor-Escudero1, Barnabas Natamba4, Paul Bangirana5, Elizabeth M Widen6, Daniel Achidri5, Harriet Achola7, Daniel Onen7, Michael Boivin1, Sera L Young2. 1. Department of Psychiatry, Michigan State University, East Lansing, MI. 2. Department of Anthropology, Northwestern University, Evanston, IL. 3. Department of Statistics and Probability, Michigan State University, East Lansing, MI. 4. Department of Community Health and Behavioral Sciences, Makerere University School of Public Health, Kampala, Uganda. 5. Department of Nutritional Sciences, University of Texas at Austin, Austin, TX. 6. Department of Psychiatry, Makerere University College of Health Sciences, Kampala, Uganda. 7. Prenatal Nutrition and Psychosocial Health Outcomes (PRENAPS) Uganda, Kampala, Uganda.
Abstract
OBJECTIVE: We sought to evaluate whether maternal characteristics and infant developmental milieu were predictive of early cognitive development in HIV-exposed uninfected (HEU) and HIV-unexposed uninfected (HU) infants in Uganda. DESIGN: Longitudinal pregnancy study. METHODS: Ugandan women (n = 228) were enrolled into the Postnatal Nutrition and Psychosocial Health Outcomes study with a 2:1 HIV-uninfected: infected ratio. Maternal sociodemographic, perceived social support, and depressive symptomatology were assessed. Infant growth and neurocognitive development were assessed at 6 and 12 months of age using Mullen Scales of Early Learning (MSEL). Caldwell Home Observation for Home Environment was used to gauge caregiving quality. Linear mixed-effects models were built to examine the relationships between maternal and infant characteristics with infant MSEL scores by HIV exposure. RESULTS: Two MSEL measures were available for 215 mother-child dyads: 140 infants (65%) were HIV-uninfected (HU), 57 (27%) were HIV-exposed uninfected (HEU) with mothers reporting antiretroviral therapy, and 18 (8%) were HEU with mothers not reporting antiretroviral therapy. HEU had lower MSEL Composite (β = -3.94, P = 0.03) and Gross Motor scores (β = -3.41, P = 0.01) than HU. Home Observation for Home Environment total score was positively associated with MSEL Composite (β = 0.81, P = 0.01), Receptive Language (β = 0.59, P = 0.001), and Expressive Language (β = 0.64, P = 0.01) scores. CONCLUSIONS: HIV exposure is associated with lower infant cognitive development scores. Increasing maternal quality of caregiving may improve early cognitive development.
OBJECTIVE: We sought to evaluate whether maternal characteristics and infant developmental milieu were predictive of early cognitive development in HIV-exposed uninfected (HEU) and HIV-unexposed uninfected (HU) infants in Uganda. DESIGN: Longitudinal pregnancy study. METHODS: Ugandan women (n = 228) were enrolled into the Postnatal Nutrition and Psychosocial Health Outcomes study with a 2:1 HIV-uninfected: infected ratio. Maternal sociodemographic, perceived social support, and depressive symptomatology were assessed. Infant growth and neurocognitive development were assessed at 6 and 12 months of age using Mullen Scales of Early Learning (MSEL). Caldwell Home Observation for Home Environment was used to gauge caregiving quality. Linear mixed-effects models were built to examine the relationships between maternal and infant characteristics with infant MSEL scores by HIV exposure. RESULTS: Two MSEL measures were available for 215 mother-child dyads: 140 infants (65%) were HIV-uninfected (HU), 57 (27%) were HIV-exposed uninfected (HEU) with mothers reporting antiretroviral therapy, and 18 (8%) were HEU with mothers not reporting antiretroviral therapy. HEU had lower MSEL Composite (β = -3.94, P = 0.03) and Gross Motor scores (β = -3.41, P = 0.01) than HU. Home Observation for Home Environment total score was positively associated with MSEL Composite (β = 0.81, P = 0.01), Receptive Language (β = 0.59, P = 0.001), and Expressive Language (β = 0.64, P = 0.01) scores. CONCLUSIONS: HIV exposure is associated with lower infant cognitive development scores. Increasing maternal quality of caregiving may improve early cognitive development.
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