Table 3.
Characteristic | Unadjusted | Adjusted | ||||
---|---|---|---|---|---|---|
| ||||||
Odds Ratio | 95% CI | p-value | Odds Ratio | 95% CI | p-value | |
| ||||||
1st (lowest) quartile of pediatric patients (vs. highest quartile) | 1.66 | (1.23-2.22) | <0.0001 | 1.53 | (1.31-1.80) | <0.001 |
| ||||||
Year | <0.0001 | <0.0001 | ||||
2006 (ref) | ||||||
2007 | 1.40 | (0.91-2.14) | 1.11 | (0.87-1.41) | ||
2008 | 0.97 | (0.67-1.41) | 0.77 | (0.62-0.95) | ||
2009 | 0.63 | (0.43-0.93) | 0.58 | (0.47-0.71) | ||
2010 | 0.52 | (0.36-0.76) | 0.42 | (0.34-0.51) | ||
| ||||||
Age Category | <0.0001 | <0.0001 | ||||
Young children (1-4 years) (ref) | ||||||
School-aged children (5-12 years) | 4.96 | (2.95-8.33) | 4.32 | (2.49-7.48) | ||
Adolescents (13-17 years) | 9.35 | (5.53-15.80) | 7.62 | (4.44-13.09) | ||
| ||||||
Male Gender | 1.14 | (0.99-1.32) | 0.07 | 1.41 | (1.24-1.59) | <0.0001 |
| ||||||
Region | <0.0001 | <0.0001 | ||||
Northeast (ref) | ||||||
Midwest | 2.67 | (1.56-4.57) | 2.61 | (2.04-3.33) | ||
South | 2.31 | (1.78-2.99) | 2.03 | (1.77-2.32) | ||
West | 1.23 | (0.90-1.70) | 0.99 | (0.81-1.21) | ||
| ||||||
Non-teaching Hospital | 2.42 | (1.92-3.06) | <0.0001 | 1.97 | (1.74-2.24) | <0.0001 |
| ||||||
Weekend Day | 1.41 | (1.20-1.65) | <0.0001 | 1.36 | (1.18-1.56) | <0.0001 |
Weighted logistic regression