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Comparison of Healthiness, Labelling, and Price between Private and Branded Label Packaged Foods in New Zealand (2015-2019).
Nutrients. 2021 Aug 09; 13(8)N

Abstract

We aimed to compare New Zealand private label (PL) and branded label (BL) packaged food products in relation to their current (2019) healthiness (sodium and sugar contents, and estimated Health Star Rating (HSR) score), display of the voluntary HSR nutrition label on the package, and price. Healthiness and HSR display of products were also explored over time (2015 to 2019). Data were obtained from Nutritrack, a brand-specific food composition database. Means and proportions were compared using Student t-tests and Pearson chi-square tests, respectively. Changes over time were assessed using linear regression and chi-square tests for trends (Mantel-Haenzel tests). Altogether, 4266 PL and 19,318 BL products across 21 food categories were included. Overall, PL products in 2019 had a significantly lower mean sodium content and price, a higher proportion of products with estimated HSR ≥ 3.5/5 (48.9% vs. 38.5%) and were more likely to display the HSR on the pack compared with BL products (92.4% vs. 17.2%, respectively). However, for most food categories, no significant difference was found in mean sodium or sugar content between PL and BL products. In the period 2015-2019, there were no consistent changes in estimated HSR score, sodium or sugar contents of PL or BL products, but there was an increase in the proportion of both PL and BL products displaying HSR labels. In most food categories, there were PL options available which were similar in nutritional composition, more likely to be labelled with the HSR, and lower in cost than their branded counterparts.

Authors+Show Affiliations

Department of Epidemiology and Biostatistics, The University of Auckland, Auckland 1010, New Zealand. Nutrition Section, The University of Auckland, Auckland 1010, New Zealand.Department of Epidemiology and Biostatistics, The University of Auckland, Auckland 1010, New Zealand.National Institute for Health Innovation, The University of Auckland, Auckland 1010, New Zealand.National Institute for Health Innovation, The University of Auckland, Auckland 1010, New Zealand. The George Institute for Global Health, Newtown, NSW 2042, Australia.Department of Epidemiology and Biostatistics, The University of Auckland, Auckland 1010, New Zealand.National Institute for Health Innovation, The University of Auckland, Auckland 1010, New Zealand.Department of Epidemiology and Biostatistics, The University of Auckland, Auckland 1010, New Zealand. National Institute for Health Innovation, The University of Auckland, Auckland 1010, New Zealand.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34444891

Citation

Castro, Teresa, et al. "Comparison of Healthiness, Labelling, and Price Between Private and Branded Label Packaged Foods in New Zealand (2015-2019)." Nutrients, vol. 13, no. 8, 2021.
Castro T, Mackay S, Young L, et al. Comparison of Healthiness, Labelling, and Price between Private and Branded Label Packaged Foods in New Zealand (2015-2019). Nutrients. 2021;13(8).
Castro, T., Mackay, S., Young, L., Ni Mhurchu, C., Shaw, G., Tawfiq, E., & Eyles, H. (2021). Comparison of Healthiness, Labelling, and Price between Private and Branded Label Packaged Foods in New Zealand (2015-2019). Nutrients, 13(8). https://doi.org/10.3390/nu13082731
Castro T, et al. Comparison of Healthiness, Labelling, and Price Between Private and Branded Label Packaged Foods in New Zealand (2015-2019). Nutrients. 2021 Aug 9;13(8) PubMed PMID: 34444891.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparison of Healthiness, Labelling, and Price between Private and Branded Label Packaged Foods in New Zealand (2015-2019). AU - Castro,Teresa, AU - Mackay,Sally, AU - Young,Leanne, AU - Ni Mhurchu,Cliona, AU - Shaw,Grace, AU - Tawfiq,Essa, AU - Eyles,Helen, Y1 - 2021/08/09/ PY - 2021/07/12/received PY - 2021/08/05/revised PY - 2021/08/05/accepted PY - 2021/8/27/entrez PY - 2021/8/28/pubmed PY - 2021/9/16/medline KW - branded labels KW - generic labels KW - health star rating KW - healthiness KW - price KW - private labels KW - public health policy KW - sodium KW - sugar KW - supermarket packaged foods JF - Nutrients JO - Nutrients VL - 13 IS - 8 N2 - We aimed to compare New Zealand private label (PL) and branded label (BL) packaged food products in relation to their current (2019) healthiness (sodium and sugar contents, and estimated Health Star Rating (HSR) score), display of the voluntary HSR nutrition label on the package, and price. Healthiness and HSR display of products were also explored over time (2015 to 2019). Data were obtained from Nutritrack, a brand-specific food composition database. Means and proportions were compared using Student t-tests and Pearson chi-square tests, respectively. Changes over time were assessed using linear regression and chi-square tests for trends (Mantel-Haenzel tests). Altogether, 4266 PL and 19,318 BL products across 21 food categories were included. Overall, PL products in 2019 had a significantly lower mean sodium content and price, a higher proportion of products with estimated HSR ≥ 3.5/5 (48.9% vs. 38.5%) and were more likely to display the HSR on the pack compared with BL products (92.4% vs. 17.2%, respectively). However, for most food categories, no significant difference was found in mean sodium or sugar content between PL and BL products. In the period 2015-2019, there were no consistent changes in estimated HSR score, sodium or sugar contents of PL or BL products, but there was an increase in the proportion of both PL and BL products displaying HSR labels. In most food categories, there were PL options available which were similar in nutritional composition, more likely to be labelled with the HSR, and lower in cost than their branded counterparts. SN - 2072-6643 UR - https://www.unboundmedicine.com/medline/citation/34444891/Comparison_of_Healthiness_Labelling_and_Price_between_Private_and_Branded_Label_Packaged_Foods_in_New_Zealand__2015_2019__ L2 - https://www.mdpi.com/resolver?pii=nu13082731 DB - PRIME DP - Unbound Medicine ER -