Accuracy Differences in Cannabis Retailer Information Ascertained from Webservices and Government-Maintained State Registries Across US States Legalizing the Sale of Cannabis in 2019.
Accuracy Differences in Cannabis Retailer Information Ascertained from Webservices and Government-Maintained State Registries Across US States Legalizing the Sale of Cannabis in 2019.
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DOI：
10.26828/cannabis/2023/000148
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发表时间：
2023
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用于调查地理大麻获取的大麻零售商位置经常从两个来源确定：1）提供大麻零售商位置的网络服务（例如，Yelp）或2）政府维护的注册表。在州一级表征大麻零售商数据源的运营状态和位置信息准确性可以为研究大麻合法化政策对健康的影响提供信息。这项研究从2019年大麻销售合法化的26个州和哥伦比亚特区的网络服务和政府维护的登记处确定了大麻零售商的名称和位置。验证子样本是使用州级序贯抽样创建的。由训练有素的研究人员对网络服务样本（n=790，2019年11月至2020年5月）和政府维护的注册表（n=859，2020年2月至6月）进行电话调查，以确定有关运行状态和位置的信息。准确性计算为子样本和电话调查数据之间的一致性百分比。对于运行状态和位置，网络服务来源的数据准确率分别为78%（614/790）和79%（484/611），而政府维护的注册表来源的数据准确率分别为76%（657/859）和95%（622/655）。59%（15/27）的州和哥伦比亚特区的运行状态准确率超过80%，48%（13/27）的州的位置信息准确率超过80%。然而，在33%（9/27）的州中，政府维护的登记来源信息在运行状态方面更准确，在41%（11/27）的州中，位置信息更准确。两种数据源具有相似的运行状态准确度。使用空间分析的研究可能更喜欢政府维护的注册表派生的数据，由于位置信息的准确性高，而研究跨州的广泛趋势可能更喜欢网络服务派生。州一级的COVID-19限制对通过网络服务和政府维护的登记处进行电话调查来确定大麻零售商的经营状况和位置信息的影响微乎其微。
Cannabis retailer locations used to investigate geographic cannabis access are frequently ascertained from two sources: 1) webservices which provide locations of cannabis retailers (e.g., Yelp) or 2) government-maintained registries. Characterizing the operating status and location information accuracy of cannabis retailer data sources on a state-by-state level can inform research examining the health implications of cannabis legalization policies. This study ascertained cannabis retailer name and location from webservices and government-maintained registries for 26 states and the District of Columbia legalizing cannabis sales in 2019. Validation subsamples were created using state-level sequential sampling. Phone surveys were conducted by trained researchers for webservice samples (n=790, November 2019 – May 2020) and government-maintained registry (n=859, February – June 2020) to ascertain information about operating status and location. Accuracy was calculated as the percent agreement among subsample and phone survey data. For operating status and location, webservice derived data was 78% (614/790) and 79% (484/611) accurate, whereas government-maintained registry derived data was 76% (657/859) and 95% (622/655) accurate, respectively. Fifty-nine percent (15/27) of states and the District of Columbia had over 80% accuracy for operating status and 48% (13/27) states had over 80% accuracy for location information with both data sources. However, government-maintained registry derived information was more accurate in 33% (9/27) states for operating status and 41% (11/27) states for location information. Both data sources had similar operating status accuracy. Research using spatial analysis may prefer government-maintained registry derived data due to high location information accuracy, whereas studies looking at broad trends across states may prefer webservice derived. State level COVID-19 restrictions had minimal impact on ascertainment of cannabis retailer operating status and location information via phone survey derived from webservices and government-maintained registries.