- Data underlined indicates correlation (i.e., p < 0.05); data with darker background indicate a significant correlation (i.e., p < 0.01). DC1–6 are the specific contents of Demographic Characteristics variable, KSS1–4 are the specific contents of Knowledge of Subway Station variable, and ERMDE1–6 are the specific contents of Emergency Responses and Measures During an Evacuation variable (See Table 1 for more details).