Table 3 Results of Weibull Survival Analysis for infant LOS by PNC for infants born to teenagers (n = 4,347)

Length of Stay

Unadjusted Model

Prenatal Care

Less than 10

-0.41

0.66(0.59,0.74)

52

 < 0.0001

10 or more

Adjusted Model

Prenatal Care

Less than 10

-0.33

0.72(0.65,0.81)

32.62

 < 0.0001

10 or more

Covariates

Payment Method

WV Medicaid

Other

-0.01

0.99(0.91,1.07)

0.1

0.7521

Race

White

Non-White

-0.4

0.67(0.58,0.77)

29.93

 < 0.0001

Parity

0

1 or more

-0.07

0.93(0.85,1.02)

2.36

0.1248

Smoking

No

Yes

0.01

1.01(0.92,1.11

0.04

0.8448

Substance Use

No

Yes

0.04

1.04(0.93,1.17)

0.44

0.5094

Diabetes

No

Yes

-0.14

0.87(0.70,1.07)

1.73

0.1878

Age of Mother

-0.09

0.91(0.88,0.94)

25.3

 < 0.0001