The percentage of part-time workers increased by approximately
three percentage points during 1979–1995, and, controlling for other
variables in the model, part-time workers were 6.8 percentage
points less likely than full-time workers were to have health insurance
(Exhibit 6). Thus, the effect of a three-percentage-point increase
on the number of part-time workers is to decrease the percentage
of insured workers by two-tenths of one percentage point.
Similarly, the percentage of workers in service industries increased
by 3 percent, and these workers are 5 percent less likely to have
coverage than the average worker, so the effect of increased employment in the service industries is to decrease coverage by between
one-tenth and two-tenths of a percentage point.