Economic stability: Coal mining jobs provide a relatively stable income for rural families, which can help to reduce stress and conflict within the family. In contrast, families in other rural areas may be more likely to experience economic hardship, which can put a strain on relationships.

Strong community ties: Rural coal communities often have strong social networks and a sense of community, which can provide support for families and help to resolve conflicts. In contrast, families in more isolated rural areas may be less likely to have access to these types of support networks.

Cultural values: The culture of rural coal communities often emphasizes family values and the importance of staying together, which can help to strengthen marriages. In contrast, families in other rural areas may be more likely to have different cultural values that place less emphasis on marriage.

Gender roles: In rural coal communities, men are often the primary breadwinners, while women are responsible for taking care of the home and children. This traditional division of labor can help to create a sense of stability and order within the family, which can reduce the risk of divorce. In contrast, families in other rural areas may be more likely to have more egalitarian gender roles, which can sometimes lead to conflict and divorce.

Religious beliefs: Many rural coal families are religious, and their religious beliefs can provide them with a strong foundation for their marriage. In contrast, families in other rural areas may be less likely to be religious, which can sometimes lead to a lack of shared values and goals, which can increase the risk of divorce.

It is important to note that these are just some of the factors that may contribute to the lower离婚rate among rural coal families. There is no single explanation for this phenomenon, and it is likely that a combination of factors is at play.