Interpret the coefficient on the Age variable in Figure 24.6. Note that all the occupational classes have positive coefficients, which indicates that pregnant women in each of these classes have a...

Interpret the coefficient on the Age variable in Figure 24.6.

Note that all the occupational classes have positive coefficients, which indicates that pregnant women in each of these classes have a higher number of sick days than do pregnant women in the Higher Professional (reference) class. These findings seem to confirm the author’s hypothesis.