Table 5.

Impact of Intervention on Mean Charges Billed and Amount Paid Per Day.

Variable	Unadjusted	Adjusted for Gender/Age	Adjusted for Gender/Age/Medicare/COFA/Pacific Islanders	Adjusted for Gender only Males	Adjusted for Gender only Females
Mean Charges per day Billed Pre-Intervention at FQHC = $21.02
Diffs-in-Diffs Estimate in log scale (SE)	0.636 (0.062)	0.606 (0.060)	0.600 (0.059)	0.611 (0.095)	0.606 (0.076)
Total Billed Increase ($)*	$13.37	$12.74	$12.61	$12.84	$12.74
Mean Amount Paid per day Pre-Intervention at FQHC = $8.54
Diffs-in-Diffs Estimate in log scale (SE)	0.630 (0.064)	0.606 (0.062)	0.619 (0.061)	0.595 (0.097)	0.617 (0.081)
Total Paid Increase ($)*	$5.38	$5.18	$5.29	$5.08	$5.27

^*The Total Billed (or Paid) Increase is the Diffs-in-Diffs estimate times the pre-intervention mean billed (or paid) per day.