Evidence map›Paper›PMID 42824176›Full record

ArticleFrontiers in public health2026

Delivering sustainable food: exploring college students' willingness to pay for carbon labels in China via a choice experiment.

Jie Zhou, Zhiyi Cai, Dungang Zang, Jian Zhang

Abstract read
In one paragraph

Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Jie ZhouCollege of Economics, Sichuan Agricultural University, Chengdu, Sichuan, China.
Zhiyi CaiCollege of Economics, Northwest Normal University, Lanzhou, Gansu, China.
Dungang ZangCollege of Economics, Sichuan Agricultural University, Chengdu, Sichuan, China.
Jian ZhangCollege of Economics, Sichuan Agricultural University, Chengdu, Sichuan, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The rapid expansion of online food delivery has intensified concerns about packaging waste and carbon emissions, making sustainable consumption an increasingly important component of the sector's low-carbon transition. Whether environmental information disclosure can shift consumers' choices toward lower-carbon alternatives is therefore an important issue for improving the sustainability of digital food-delivery platforms. This study estimates the preferences of university students, who constitute one of the most intensive user groups of online food-delivery services, and willingness to pay (WTP) for carbon-footprint information and packaging materials on online food-delivery platforms. Data from 692 surveys conducted among university students in the Sichuan-Chongqing region in August 2023 were analyzed using a discrete choice model. This analysis examined how the disclosure of carbon footprint (CF) and other environmental attributes affects consumer preferences. Key findings include: Firstly, compared with high-carbon-footprint takeaways, university students show a significant positive preference for low-carbon-footprint alternatives, with an estimated WTP of an additional $1.65 per order. Meanwhile, consumers also prefer takeaways with environmentally friendly packaging. Secondly, male students, those with a proactive environmental stance, and those with greater awareness of environmental knowledge were more inclined to opt for takeaways with lower carbon footprints. Greater environmental knowledge also led to a preference for eco-friendly packaging options. The findings underscore the critical role of carbon label disclosures in steering university students towards environmentally friendly choices in food delivery, thereby charting a feasible pathway towards achieving low-carbon goals. This aligns with the promotion of efficient takeaway dietary habits among young generations.

Indexed as

Carbon FootprintChoice BehaviorConsumer BehaviorFood LabelingStudentsAdultChinaFemaleHumansMaleSurveys and QuestionnairesUniversitiesYoung Adultcarbon labelsdiscrete choice experimentenvironmental information disclosureonline food delivery platformssustainable food deliverywillingness to pay

Identifiers

PMID42824176
PMCPMC13627394

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.