Here, the base group is the omitted category: Unmarried, Non-North region (Unmarried people who do not live in the North region). All comparisons would be made in relation to this base group or omitted category. The mean hourly wage in the base category is about $8.81 (intercept term). In comparison, the mean hourly wage of those who are married is higher by about $1.10 and is equal to about $9.91 ($8.81 + $1.10). In contrast, the mean hourly wage of those who live in the North is lower by about $1.67 and is about $7.14 ($8.81 − $1.67).