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Updated: Oct 2, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
The Association between Household Socioeconomic Status, Breastfeeding, and Infants' Anthropometric Indices
Marjan Ajami1, Morteza Abdollahi2, Forouzan Salehi3
1Department of Food and Nutrition Policy and Planning Research, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Insights
Household socioeconomic status significantly impacts infant nutrition and breastfeeding duration. Higher maternal education and middle SES are linked to better exclusive breastfeeding rates, crucial for child development.
Area of Science:
- Pediatrics
- Public Health
- Nutrition Science
Background:
- Childhood nutrition is vital for growth, learning, and community engagement.
- Infant feeding practices are influenced by various factors, including household socioeconomic status (SES).
- Assessing the impact of SES on infant nutritional indicators and breastfeeding is crucial for public health initiatives.
Purpose of the Study:
- To investigate the relationship between household socioeconomic status (SES) and infant health indicators.
- To determine the influence of SES on infant length-for-age and weight-for-age.
- To examine how SES affects breastfeeding (BF) and exclusive breastfeeding (EBF) practices.
Main Methods:
- A cross-sectional study involving 150 households with infants aged 1-1.5 years.
- Data collected included family size, dwelling ownership, BF duration, EBF status, parental demographics, and education.
- SES was determined using parental education years and a nine-asset household ownership index; infant anthropometrics were recorded.
Main Results:
- Infants in the low SES group had significantly lower 4-month length-for-age compared to other groups.
- Middle SES households showed a significantly higher duration of breastfeeding (19.5 months).
- Mothers with university degrees were 73% less likely to not practice EBF; middle SES was associated with a 40% lower likelihood of not practicing EBF.
Conclusions:
- Household SES and maternal education are significant determinants of infant nutritional status, breastfeeding duration, and EBF.
- Findings highlight the need for targeted family education programs to improve infant development.
- Interventions should focus on socioeconomic factors to enhance child health outcomes.
Background:
The growth, learning, and contribution to active life in the communities are better in well-nourished children, and various factors influence infants' feeding. In this study, we assessed whether household socioeconomic status (SES) affects infants' length-for-age, weight-for-age (indicators of health and nutritional status) and breastfeeding (BF) (a necessity for optimal growth and health) status.
Methods:
In this cross-sectional study, 150 households with infants of 1-1.5 years old were interviewed on these variables: family size, dwelling ownership, duration of BF, exclusive BF (EBF) for 6 months, parents' age, parents' ethnicity, birth order, delivery type, and parents' education. Weight and length at 4 and 12 months were obtained from centers' records. To determine SES, we assessed total years of parents' education and household asset ownership by an index of nine owned assets.
Results:
The average of 4-month length in the low SES group was significantly lower than the two others (P < 0.05). In middle socioeconomic group, duration of BF was significantly higher (19.5 ± 7.3 months vs. 18.0 ± 8.0 months in low and 17.5 ± 7.9 months in high SES groups) (P < 0.05). Comparing illiterate mothers, university degree holders and university students were 73% less likely to not having EBF. Moreover, those with middle SES showed to be about 40% less likely to not having EBF.
Conclusions:
Nutritional status, duration of BF, and EBF might be determined by household SES and maternal education. Therefore, these findings can be used to decide how to focus on appropriate target groups in family education planning to improve children's development to its most possible.
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