Empirical built environment and transit use literature since 2000: Comprehensive literature review protocol and results

This protocol sets out the strategy used to identify records, screen for relevance and extract data points pertaining to empirical estimates of the relationship between the built environment and transit use. The present document is intended as a methodological reference for subsequent analyses that draw on the data obtained through the search. The purpose of conducting this comprehensive review was to obtain a representative sample of studies since 2000 from which robust meta-averages could be calculated. The secondary aim was to detect patterns of variation in effect sizes related to study invariant characteristics such as attributes of the sample, location of data collection and study design. Quantities of records identified or screened at each stage of the review are also documented to give a thorough and transparent record of results.The review protocol is mapped to the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P).Contents:1. Comprehensive Literature Review Protocol and Results2. MetadataNote: This file set does not contain a database. Data is published as subsets in accordance with subsequent analyses. Version 2 of the literature review protocol contains the following changes to the coding framework: 2.1 Introduction of dichotomous variable to identify control for ‘regional
accessibility’ and ‘self selection’2.2 Removed screening criteria based on geography: introduced 39 new studies2.3 Realigned built environment indicators to include accessibility
indicators, with less emphasis on ‘D-variables’

本规程阐明了用于识别相关记录、筛选关联性以及提取与建成环境与公共交通出行之间关系的经验估计值相关数据点的研究策略。本文件旨在为后续基于本次检索所得数据开展的分析提供方法学参考。本次开展全面系统综述的目的在于获取2000年以来的代表性研究样本，以便据此计算可靠的元分析均值；次要目标则是探究与研究不变特征（如样本属性、数据采集地点及研究设计）相关的效应量变异模式。本综述各阶段识别或筛选的记录数量亦均有记录，以确保结果呈现得全面且透明。
本综述方案符合《系统评价与元分析方案首选报告条目》（Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols，PRISMA-P）的规范框架。
内容包括：
1. 全面文献综述方案与研究结果
2. 元数据
注：本文件集未包含数据库。数据将根据后续分析需求以子集形式发布。
本文献综述方案的第2版对编码框架作出如下调整：
2.1 引入二分变量，用于识别是否针对“区域可达性”与“自我选择”进行了控制
2.2 移除基于地域的筛选标准，新增39项研究
2.3 重新校准建成环境指标，将可达性指标纳入考量，弱化“D变量”的权重