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Randomized controlled trial of a telephone-based intervention for child fruit and vegetable intake: long-term follow-up.
Am J Clin Nutr. 2014 Mar; 99(3):543-50.AJ

Abstract

BACKGROUND

Telephone-based interventions can be effective in increasing child fruit and vegetable intake in the short term (<6 mo). The long-term efficacy of such interventions, however, is unknown.

OBJECTIVES

The primary aim of this study was to determine whether the short-term (<6 mo) impact of a telephone-based intervention on children's fruit and vegetable intake was sustained over a longer term. A secondary aim of the study was to assess the long-term impact of the intervention on the intake of foods high in fat, salt, or sugar (noncore foods).

DESIGN

The study used a cluster randomized controlled trial design. Parents were recruited from Australian preschools between February and August 2010 and allocated to receive an intervention consisting of print materials and 4 telephone-counseling calls delivered over 1 mo or to a print information-only control group. The primary endpoint for the trial was the 18-mo postbaseline follow-up. Linear regression models were used to assess between-group differences in child consumption of fruit and vegetables and noncore foods by subscales of the Children's Dietary Questionnaire.

RESULTS

Fruit and vegetable subscale scores were significantly higher, indicating greater child fruit and vegetable intake, among children in the intervention group at the 12-mo (16.77 compared with 14.89; P < 0.01) but not the 18-mo (15.98 compared with 16.82; P = 0.14) follow-up. There were no significant differences between groups at either of the follow-up periods in the noncore food subscale score.

CONCLUSION

Further research to identify effective maintenance strategies is required to maximize the benefits of telephone-based interventions on child diet.

Authors+Show Affiliations

School of Medicine and Public Health (LW, RW, EC, JW, and TRH) and the School of Psychology (AF and JB), University of Newcastle, Newcastle, Australia; Hunter New England Population Health, Newcastle, Australia (LW, EC, JW, and TRH); Hunter Medical Research Institute, Newcastle, Australia (LW, RW, EC, and JW); the School of Psychology, Australian Catholic University, Melbourne, Australia (LB); and the Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Melbourne, Australia (KJC).No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Multicenter Study
Randomized Controlled Trial

Language

eng

PubMed ID

24429539

Citation

Wolfenden, Luke, et al. "Randomized Controlled Trial of a Telephone-based Intervention for Child Fruit and Vegetable Intake: Long-term Follow-up." The American Journal of Clinical Nutrition, vol. 99, no. 3, 2014, pp. 543-50.
Wolfenden L, Wyse R, Campbell E, et al. Randomized controlled trial of a telephone-based intervention for child fruit and vegetable intake: long-term follow-up. Am J Clin Nutr. 2014;99(3):543-50.
Wolfenden, L., Wyse, R., Campbell, E., Brennan, L., Campbell, K. J., Fletcher, A., Wiggers, J., Bowman, J., & Heard, T. R. (2014). Randomized controlled trial of a telephone-based intervention for child fruit and vegetable intake: long-term follow-up. The American Journal of Clinical Nutrition, 99(3), 543-50. https://doi.org/10.3945/ajcn.113.071738
Wolfenden L, et al. Randomized Controlled Trial of a Telephone-based Intervention for Child Fruit and Vegetable Intake: Long-term Follow-up. Am J Clin Nutr. 2014;99(3):543-50. PubMed PMID: 24429539.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Randomized controlled trial of a telephone-based intervention for child fruit and vegetable intake: long-term follow-up. AU - Wolfenden,Luke, AU - Wyse,Rebecca, AU - Campbell,Elizabeth, AU - Brennan,Leah, AU - Campbell,Karen J, AU - Fletcher,Amanda, AU - Wiggers,John, AU - Bowman,Jenny, AU - Heard,Todd R, Y1 - 2014/01/15/ PY - 2014/1/17/entrez PY - 2014/1/17/pubmed PY - 2014/5/3/medline SP - 543 EP - 50 JF - The American journal of clinical nutrition JO - Am J Clin Nutr VL - 99 IS - 3 N2 - BACKGROUND: Telephone-based interventions can be effective in increasing child fruit and vegetable intake in the short term (<6 mo). The long-term efficacy of such interventions, however, is unknown. OBJECTIVES: The primary aim of this study was to determine whether the short-term (<6 mo) impact of a telephone-based intervention on children's fruit and vegetable intake was sustained over a longer term. A secondary aim of the study was to assess the long-term impact of the intervention on the intake of foods high in fat, salt, or sugar (noncore foods). DESIGN: The study used a cluster randomized controlled trial design. Parents were recruited from Australian preschools between February and August 2010 and allocated to receive an intervention consisting of print materials and 4 telephone-counseling calls delivered over 1 mo or to a print information-only control group. The primary endpoint for the trial was the 18-mo postbaseline follow-up. Linear regression models were used to assess between-group differences in child consumption of fruit and vegetables and noncore foods by subscales of the Children's Dietary Questionnaire. RESULTS: Fruit and vegetable subscale scores were significantly higher, indicating greater child fruit and vegetable intake, among children in the intervention group at the 12-mo (16.77 compared with 14.89; P < 0.01) but not the 18-mo (15.98 compared with 16.82; P = 0.14) follow-up. There were no significant differences between groups at either of the follow-up periods in the noncore food subscale score. CONCLUSION: Further research to identify effective maintenance strategies is required to maximize the benefits of telephone-based interventions on child diet. SN - 1938-3207 UR - https://www.unboundmedicine.com/medline/citation/24429539/Randomized_controlled_trial_of_a_telephone_based_intervention_for_child_fruit_and_vegetable_intake:_long_term_follow_up_ L2 - https://academic.oup.com/ajcn/article-lookup/doi/10.3945/ajcn.113.071738 DB - PRIME DP - Unbound Medicine ER -