Table 1.
Study Population
| Mean ± S.D. | Entire Study Population (n = 8,109) |
Always Private (n = 3,433) |
Intermittent Private (n = 2,237) |
Exclusively Public (n = 2,439) |
P Value | |
|---|---|---|---|---|---|---|
| Sex (% female) | 49.8% | 50.1% | 47.5% | 51.3% | 0.028 | |
| Race (% non-white) | 9.8% | 4.4% | 10.6% | 16.7% | <0.001 | |
| Hispanic (% yes) | 10.9% | 5.3% | 10.5% | 19.2% | <0.001 | |
| Age at Diagnosis (years) | 0.23 ± 0.39 | 0.22 ± 0.40 | 0.23 ± 0.38 | 0.24 ± 0.38 | 0.07 | |
| CFTR Genotype (% reported) | 2 F508del variants | 48.7% | 49.5% | 51.0% | 45.6% | <0.001 |
| 1 F508del variants | 38.6% | 39.7% | 38.4% | 37.3% | ||
| 0 F508del variants | 12.7% | 10.8% | 10.6% | 17.2% | ||
| Diagnosed by Newborn Screen (% yes) | 43.6% | 42.7% | 43.8% | 44.7% | 0.34 | |
| Pancreatic Status (% Insufficient) | 86.7% | 84.3% | 89.5% | 87.4% | <0.001 | |
| Feeding tube placement by 6yo (% yes) | 20.1% | 15.3% | 22.6% | 24.6% | <0.001 | |
| Number of Outpatient Visits at 6yo (n=7,722) | 4.5 ± 1.9 | 4.5 ± 1.9 | 4.5 ± 2.0 | 4.5 ± 2.0 | 0.47 | |
| Number of Hospital Days at 6yo (n=7,776) | 3.2 ± 9.2 | 1.8 ± 5.9 | 3.3 ± 9.9 | 5.0 ± 11.6 | <0.001 | |
| Median household income at birth ($ ‘000s; n=8,004) | 58.0 ± 22.1 | 67.2 ± 24.7 | 54.1 ± 18.2 | 48.5 ± 15.7 | <0.001 | |
| Highest level of maternal education at 6yo (% yes; n=6,648) | Less than high school | 5.4% | 0.4% | 4.6% | 13.5% | <0.001 |
| High school graduate | 25.1% | 10.3% | 29.5% | 42.9% | ||
| Some College | 21.4% | 14.9% | 27.2% | 25.6% | ||
| College graduate | 40.4% | 60.7% | 34.3% | 16.0% | ||
| Masters/doctoral degree | 7.7% | 13.7% | 4.4% | 2.1% | ||
| Any MRSA positive culture (by 6yo) | 37.1% (n=8,105) |
29.6% (n=3,430) |
38.9% (n=2,236) |
45.8% (n=2,439) |
<0.001 | |
| Any Pa positive culture (by 6yo) | 71.4% (n=8,105) |
68.7% (n=3,430) |
72.1% (n=2,236) |
74.7% (n=2,439) |
<0.001 | |
| Likely MRSA Chronic Endobronchial Infection (by 6yo) | 18.5% (n=7,381) |
13.9% (n=3,131) |
19.3% (n=2,049) |
24.3% (n=2,201) |
<0.001 | |
| Likely Pa Chronic Endobronchial Infection (by 6yo) | 18.3% (n=7,381) |
15.7% (n=3,131) |
18.8% (n=2,049) |
21.6% (n=2,201) |
<0.001 | |
| Number of Pulmonary Exacerbations (between 4–6.99yo) | 0.8 ± 1.7 (n=7,578) |
0.5 ± 1.1 (n=3,203) |
0.8 ± 1.8 (n=2,109) |
1.1 ± 2.1 (n=2,266) |
<0.001 | |