Post-malnutrition growth and its associations with child survival and non-communicable disease risk: a secondary analysis of the Malawi ‘ChroSAM’ cohort

Autor: Natasha Lelijveld, Sioned Cox, Kenneth Anujuo, Abena S Amoah, Charles Opondo, Tim J Cole, Jonathan CK Wells, Debbie Thompson, Kimberley McKenzie, Mubarek Abera, Melkamu Berhane, Marko Kerac, CHANGE study collaborators group
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Public Health Nutrition, Vol 26, Pp 1658-1670 (2023)
Druh dokumentu: article
ISSN: 13689800
1368-9800
1475-2727
DOI: 10.1017/S1368980023000411
Popis: Abstract Objective: To explore patterns of post-malnutrition growth (PMGr) during and after treatment for severe malnutrition and describe associations with survival and non-communicable disease (NCD) risk 7 years post-treatment. Design: Six indicators of PMGr were derived based on a variety of timepoints, weight, weight-for-age z-score and height-for-age z-score (HAZ). Three categorisation methods included no categorisation, quintiles and latent class analysis (LCA). Associations with mortality risk and seven NCD indicators were analysed. Setting: Secondary data from Blantyre, Malawi between 2006 and 2014. Participants: A cohort of 1024 children treated for severe malnutrition (weight-for-length z-score < 70 % median and/or MUAC (mid-upper arm circumference) < 110 mm and/or bilateral oedema) at ages 5–168 months. Results: Faster weight gain during treatment (g/d) and after treatment (g/kg/day) was associated with lower risk of death (adjusted OR 0·99, 95 % CI 0·99, 1·00; and adjusted OR 0·91, 95 % CI 0·87, 0·94, respectively). In survivors (mean age 9 years), it was associated with greater hand grip strength (0·02, 95 % CI 0·00, 0·03) and larger HAZ (6·62, 95 % CI 1·31, 11·9), both indicators of better health. However, faster weight gain was also associated with increased waist:hip ratio (0·02, 95 % CI 0·01, 0·03), an indicator of later-life NCD risk. The clearest patterns of association were seen when defining PMGr based on weight gain in g/d during treatment and using the LCA method to describe growth patterns. Weight deficit at admission was a major confounder. Conclusions: A complex pattern of benefits and risks is associated with faster PMGr. Both initial weight deficit and rate of weight gain have important implications for future health.
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