Table 6.

Marginal effects for airsacculitis

Severity level	No antibiotics ever vs. medically important	No antibiotics ever vs. nonmedically important	Nonmedically important vs. medically important
0	−0.056* (0.0043)	−0.093* (0.0000)	0.026* (0.0001)
1	0.040* (0.0036)	0.066* (0.0000)	−0.019* (0.0001)
2	0.010* (0.0063)	0.016* (0.0001)	−0.004* (0.0001)
3	0.005* (0.0078)	0.008* (0.0002)	−0.002* (0.0001)
4	0.001* (0.0087)	0.002* (0.0004)	−0.001* (0.0001)

*Significance at the 1% level.

p-Values reported in parentheses.