Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study
ABSTRACT OBJECTIVE: To investigate birth-to-childhood tracking of linear growth and weight gain across the distribution of length/height and weight for age z-scores and according to household wealth. METHODS: Data from 614 children from the MINA-Brazil Study with repeated anthropometric measuremen...
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| Format: | Article |
| Language: | English |
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Universidade de São Paulo
2024-02-01
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| Series: | Revista de Saúde Pública |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102023000300201&lng=en&tlng=en |
| _version_ | 1797293940286685184 |
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| author | Bárbara Hatzlhoffer Lourenço Caroline Zani Rodrigues Ana Alice de Araújo Damasceno Marly Augusto Cardoso Marcia C. Castro |
| author_facet | Bárbara Hatzlhoffer Lourenço Caroline Zani Rodrigues Ana Alice de Araújo Damasceno Marly Augusto Cardoso Marcia C. Castro |
| author_sort | Bárbara Hatzlhoffer Lourenço |
| collection | DOAJ |
| description | ABSTRACT OBJECTIVE: To investigate birth-to-childhood tracking of linear growth and weight gain across the distribution of length/height and weight for age z-scores and according to household wealth. METHODS: Data from 614 children from the MINA-Brazil Study with repeated anthropometric measurements at birth and up to age five years were used. Z-scores were calculated for length/height (HAZ) and weight (WAZ) according to international standards. Birth-to-childhood tracking was separately estimated using quantile regression models for HAZ and WAZ, extracting coefficients and 95% confidence intervals (95%CI) at the 25th, 50th, and 75th quantiles. In a subgroup analysis, we estimated tracking between birth and age two years, and between ages two and five years. To investigate disparities in tracking, interaction terms between household wealth indexes (at birth and age five years) and newborn size z-scores were included in the models. RESULTS: Tracking coefficients were significant and had similar magnitude across the distribution of anthropometric indices at age five years (HAZ, 50th quantile: 0.23, 95%CI: 0.11 to 0.35; WAZ, 50th quantile: 0.31, 95%CI: 0.19 to 0.43). Greater tracking was observed between ages two and five years, with coefficients above 0.82. Significantly higher tracking of linear growth was observed among children from wealthier households, both at birth, at the lower bounds of HAZ distribution (25th quantile: 0.30, 95%CI: 0.13 to 0.56), and during childhood, in the entire HAZ distribution at five years. For weight gain, stronger tracking was observed at the upper bounds of WAZ distribution at age five years among children from wealthier households at birth (75th quantile: 0.59, 95%CI: 0.35 to 0.83) and during childhood (75th quantile: 0.54, 95%CI: 0.15 to 0.93). CONCLUSION: There was significant tracking of HAZ and WAZ since birth, with indication of substantial stability of nutritional status between ages two and five years. Differential tracking according to household wealth should be considered for planning early interventions for preventing malnutrition. |
| first_indexed | 2024-03-07T21:23:03Z |
| format | Article |
| id | doaj.art-867c0078a89947f9b8139fbf88a7d653 |
| institution | Directory Open Access Journal |
| issn | 1518-8787 |
| language | English |
| last_indexed | 2024-03-07T21:23:03Z |
| publishDate | 2024-02-01 |
| publisher | Universidade de São Paulo |
| record_format | Article |
| series | Revista de Saúde Pública |
| spelling | doaj.art-867c0078a89947f9b8139fbf88a7d6532024-02-27T07:43:42ZengUniversidade de São PauloRevista de Saúde Pública1518-87872024-02-0157suppl 210.11606/s1518-8787.2023057005628Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil StudyBárbara Hatzlhoffer Lourençohttps://orcid.org/0000-0002-2006-674XCaroline Zani Rodrigueshttps://orcid.org/0000-0002-2467-0936Ana Alice de Araújo Damascenohttps://orcid.org/0000-0001-7975-7791Marly Augusto Cardosohttps://orcid.org/0000-0003-0973-3908Marcia C. Castrohttps://orcid.org/0000-0003-4606-2795ABSTRACT OBJECTIVE: To investigate birth-to-childhood tracking of linear growth and weight gain across the distribution of length/height and weight for age z-scores and according to household wealth. METHODS: Data from 614 children from the MINA-Brazil Study with repeated anthropometric measurements at birth and up to age five years were used. Z-scores were calculated for length/height (HAZ) and weight (WAZ) according to international standards. Birth-to-childhood tracking was separately estimated using quantile regression models for HAZ and WAZ, extracting coefficients and 95% confidence intervals (95%CI) at the 25th, 50th, and 75th quantiles. In a subgroup analysis, we estimated tracking between birth and age two years, and between ages two and five years. To investigate disparities in tracking, interaction terms between household wealth indexes (at birth and age five years) and newborn size z-scores were included in the models. RESULTS: Tracking coefficients were significant and had similar magnitude across the distribution of anthropometric indices at age five years (HAZ, 50th quantile: 0.23, 95%CI: 0.11 to 0.35; WAZ, 50th quantile: 0.31, 95%CI: 0.19 to 0.43). Greater tracking was observed between ages two and five years, with coefficients above 0.82. Significantly higher tracking of linear growth was observed among children from wealthier households, both at birth, at the lower bounds of HAZ distribution (25th quantile: 0.30, 95%CI: 0.13 to 0.56), and during childhood, in the entire HAZ distribution at five years. For weight gain, stronger tracking was observed at the upper bounds of WAZ distribution at age five years among children from wealthier households at birth (75th quantile: 0.59, 95%CI: 0.35 to 0.83) and during childhood (75th quantile: 0.54, 95%CI: 0.15 to 0.93). CONCLUSION: There was significant tracking of HAZ and WAZ since birth, with indication of substantial stability of nutritional status between ages two and five years. Differential tracking according to household wealth should be considered for planning early interventions for preventing malnutrition.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102023000300201&lng=en&tlng=enChildNutritional StatusGrowthWeight GainSocioeconomic FactorsBirth Cohort |
| spellingShingle | Bárbara Hatzlhoffer Lourenço Caroline Zani Rodrigues Ana Alice de Araújo Damasceno Marly Augusto Cardoso Marcia C. Castro Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study Revista de Saúde Pública Child Nutritional Status Growth Weight Gain Socioeconomic Factors Birth Cohort |
| title | Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study |
| title_full | Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study |
| title_fullStr | Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study |
| title_full_unstemmed | Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study |
| title_short | Birth-to-childhood tracking of linear growth and weight gain in the MINA-Brazil Study |
| title_sort | birth to childhood tracking of linear growth and weight gain in the mina brazil study |
| topic | Child Nutritional Status Growth Weight Gain Socioeconomic Factors Birth Cohort |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102023000300201&lng=en&tlng=en |
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