| Dependent variables | | |
| PUR | Whether purchase a new policy within 3 years after travel | Yes=1, No=0 |
| PUR.INTERVAL | The interval from the end of the travel to the time spent on the new purchase | Count by month |
| Independent variables | | |
| TRA.AGENT | Whether customers traveled with their sales agents | Yes=1, No=0 |
| PUR.AMOUNT.FIRST | The policy amount of customers’ first contract (base e logarithms) | The actual amount (base e logarithms) |
| PUR.PAST | Whether the customer added a policy in the past year (one year before participating in the package travel). | Yes=1, No=0 |
| Control variables | | |
| DES | Travel destinationDomestic travel (Shandong/Panjin/Xian)Foreign travel (South Korea/Vietnam/Russia) | Domestic travel=0,Foreign travel=1 |
| AGE | Customers’ age | Actual age |
| GENDER | Gender of the customers | Male=0,Female=1 |
| AGENT.CLASS | Class of the agents | General agent=1,Manager=2,Executive=3 |