TABLE 1.
Lowest Quartile (n = 4781) | Highest Quartile (n = 4366) | P | |
---|---|---|---|
UPC score, mean (SD) | 0.28 (0.05) | 0.78 (0.10) | — |
Infant demographics | |||
Sex, % male | 51.9 | 49.4 | .02 |
Gestational age, wk, mean (SD) | 38.8 (2.0) | 38.7 (2.2) | <.001 |
Gestational age, % | .09 | ||
<28 wk | 0.4 | 0.6 | |
28–31 and 6/7 wk | 1.1 | 1.0 | |
32–36 and 6/7 wk | 8.0 | 9.2 | |
37 wk and greater | 90.5 | 89.2 | |
Race, % | <.001 | ||
White | 67.7 | 55.2 | |
Black | 28.6 | 40.5 | |
Other | 3.7 | 4.0 | |
Insurance status, % | <.001 | ||
Private | 57.9 | 54.3 | |
Medicaid | 24.9 | 28.7 | |
Self-pay | 18.2 | 17.0 | |
Chronic medical conditions | |||
Presence of a chronic condition, % | 30.2 | 28.2 | .03 |
Chronic illness not including asthma | 24.5 | 24.6 | .89 |
Asthma | 8.8 | 5.9 | <.001 |
—, not applicable.