Table 2. Mean numbers of inpatient, outpatient, pharmacy, and dental claims per year.
| Baseline | After intervention | Difference | ||||
| Intervention group | Control group | Intervention group | Control group | Intervention group | Control group | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Inpatient | 0.1 (0.3) | 0.1 (0.2) | 0.1 (0.3) | 0.2 (0.7) | 0.0 (0.4) | 0.2 (0.8) | 
| Log-transformed value | 0.0 (0.1) | 0.0 (0.1) | 0.0 (0.1) | 0.0 (0.1) | 0.0 (0.0) | 0.0 (0.1) | 
| Outpatient | 6.3 (6.3) | 5.1 (5.5) | 10.4 (8.3) | 8.7 (7.8) | 4.2 (5.9) | 3.6 (5.7) | 
| Log-transformed value | 0.7 (0.4) | 0.6 (0.4) | 0.9 (0.4) | 0.8 (0.4) | 0.2b (0.3) | 0.2a (0.4) | 
| Pharmacy | 0.9 (1.9) | 0.8 (2.1) | 4.8 (5.4) | 5.3 (6.3) | 3.9 (4.8) | 4.5 (6.5) | 
| Log-transformed value | 0.2 (0.3) | 0.1 (0.3) | 0.6 (0.4) | 0.6 (0.4) | 0.4b (0.4) | 0.5b (0.5) | 
| Dental | 1.4 (1.8) | 1.3 (1.6) | 2.8 (3.4) | 1.8 (2.2) | 1.5 (3.7) | 0.5 (2.4) | 
| Log-transformed value | 0.3 (0.3) | 0.3 (0.3) | 0.5 (0.3) | 0.3 (0.3) | 0.2b (0.4) | 0.1 (0.4) | 
Abbreviation: SD, standard deviation.
aP < 0.01, bP < 0.001.