Jessica G Woo1, Kelly Reynolds2, Suzanne Summer3, Philip R Khoury4, Stephen R Daniels5, Heidi J Kalkwarf6. 1. Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH. Electronic address: Jessica.woo@cchmc.org. 2. University of Cincinnati College of Medicine, Cincinnati, OH. 3. Clinical Translational Research Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH. 4. The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH. 5. Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO. 6. Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
Abstract
BACKGROUND: There is little information about how diet quality evolves in early childhood, whether children exhibit varying diet quality trajectories, or which components of diet quality should be targeted for intervention. OBJECTIVE: The goal of this study was to identify and evaluate trajectories of dietary quality in young children. DESIGN: This was a secondary analysis of an observational, longitudinal cohort study of non-Hispanic African American or White children and their parents from racially concordant households with 4 years of follow-up (up to 13 study visits). Data on mother, infant feeding, and body mass index were assessed at baseline. Diet was evaluated using 3-day diaries at each visit. PARTICIPANTS/ SETTING: Of 372 children enrolled, 349 children had at least 3 study visits with dietary data for this analysis. Participants were enrolled at age 3 years between March 2001 and August 2002 in Cincinnati, OH. Final study visits were conducted between February 2005 and June 2006. MAIN OUTCOME MEASURE: The main outcome measure was the total Healthy Eating Index 2005 (HEI-2005) score and HEI-2005 component scores. STATISTICAL ANALYSES: Diet quality trajectories were modeled using group-based modeling techniques. RESULTS: The total HEI-2005 score was low at age 3 years (mean ± standard error = 55.1 ± 0.4 of maximum 100 points) and remained stable to age 7 years (mean ± standard error = 54.0 ± 0.6; P = 0.08 for trend). Five HEI-2005 trajectory groups were identified, of which 1 declined and 1 improved over time. HEI-2005 component scores, except milk intake and meat/beans scores, differed significantly (all, P ≤ 0.02) among trajectory groups at age 3 years, and most differences were maintained at age 7 years. Total vegetables, dark green and orange vegetables and legumes, and whole grains component scores were low for all trajectory groups. Whole fruit; total fruit; saturated fat; and calories from solid fats, alcoholic beverages, and added sugars (SoFAAS) were highly variable among trajectory groups. Children in the lowest diet quality trajectory group were less likely to be breastfed and more likely to have been regular consumers of soft drinks (e.g., powdered drink mixes, sport drinks, or soda pop) before age 3 years. CONCLUSIONS: Young childhood diet quality was low at age 3 years and remained stable to age 7 years. Improving intake of vegetables and whole grains is needed for all children. Focused attention regarding increasing fruit intake and reducing SoFAAS may be needed for families at increased risk for low overall diet quality.
BACKGROUND: There is little information about how diet quality evolves in early childhood, whether children exhibit varying diet quality trajectories, or which components of diet quality should be targeted for intervention. OBJECTIVE: The goal of this study was to identify and evaluate trajectories of dietary quality in young children. DESIGN: This was a secondary analysis of an observational, longitudinal cohort study of non-Hispanic African American or White children and their parents from racially concordant households with 4 years of follow-up (up to 13 study visits). Data on mother, infant feeding, and body mass index were assessed at baseline. Diet was evaluated using 3-day diaries at each visit. PARTICIPANTS/ SETTING: Of 372 children enrolled, 349 children had at least 3 study visits with dietary data for this analysis. Participants were enrolled at age 3 years between March 2001 and August 2002 in Cincinnati, OH. Final study visits were conducted between February 2005 and June 2006. MAIN OUTCOME MEASURE: The main outcome measure was the total Healthy Eating Index 2005 (HEI-2005) score and HEI-2005 component scores. STATISTICAL ANALYSES: Diet quality trajectories were modeled using group-based modeling techniques. RESULTS: The total HEI-2005 score was low at age 3 years (mean ± standard error = 55.1 ± 0.4 of maximum 100 points) and remained stable to age 7 years (mean ± standard error = 54.0 ± 0.6; P = 0.08 for trend). Five HEI-2005 trajectory groups were identified, of which 1 declined and 1 improved over time. HEI-2005 component scores, except milk intake and meat/beans scores, differed significantly (all, P ≤ 0.02) among trajectory groups at age 3 years, and most differences were maintained at age 7 years. Total vegetables, dark green and orange vegetables and legumes, and whole grains component scores were low for all trajectory groups. Whole fruit; total fruit; saturated fat; and calories from solid fats, alcoholic beverages, and added sugars (SoFAAS) were highly variable among trajectory groups. Children in the lowest diet quality trajectory group were less likely to be breastfed and more likely to have been regular consumers of soft drinks (e.g., powdered drink mixes, sport drinks, or soda pop) before age 3 years. CONCLUSIONS: Young childhood diet quality was low at age 3 years and remained stable to age 7 years. Improving intake of vegetables and whole grains is needed for all children. Focused attention regarding increasing fruit intake and reducing SoFAAS may be needed for families at increased risk for low overall diet quality.
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