| 前因变量 | 频率 | 前因变量 | 频率 |
| Environmental Knowledge 环境知识 | 5 | Environmental Concern 环境关注 | 4 |
| Subjective Norms 主观规范 | 2 | Behavioral Beliefs 行为信念 | 2 |
| Eco-Labeling 生态标签 | 2 | Perceived Consumer Effectiveness 消费者感知效力 | 1 |
| Health Concern 健康关注 | 1 | Cognitive Beliefs 认知信念 | 1 |
| Environment and Health Awareness 环境和健康意识 | 1 | Outcome Evaluation 结果评价 | 1 |
| Perceived Producer Environmental Performance 感知生产者环保表现 | 1 | Environmental Advertising 环保广告 | 1 |
| Perceived Economic Benefit 感知经济效益 | 1 | Environmental Ethics 环境伦理学 | 1 |
| Altruism 利他主义 | 1 | Perceived Behavior Control 感知行为控制 | 1 |
| Social Influence 社会影响 | 1 | Green Customer Value 绿色客户价值 | 1 |
| Charging Infrastructure 充电基础设施 | 1 | Consumer Purchasing Behavior 消费者购买行为 | 1 |