Characteristic
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Number of LBW births
2,672 2,836 2,729 2,891 2,978 2,878 2,727 2,579 2,586 2,505 2,459
Age ofmother
?
19 years
9.5
9.3
8.6
8.6
8.8
7.6
8.7
7.1
6.8
6.5
5.2
?
30 years
44.5 41.9 40.5 41.8 40.9 41.8 43.2 43.6 44.8 45.5 42.5
Marital status
Unmarried
30.3 30.3 32.7 33.0 34.6 34.1 33.5 34.7 36.2 37.2 36.9
Mother's education
<9 years
2.0
1.6
1.8
1.8
1.6
1.4
1.1
1.1
1.5
1.4
1.6
Prenatal care began
1st Trimester
83.4 84.8 86.9 85.6 86.2 86.5 86.8 86.1 86.4 84.2 83.9
3rd Trimester
2.4
1.7
1.6
1.7
1.8
1.7
1.9
2.1
1.4
2.0
2.2
No Care
2.1
1.9
2.1
3.0
2.4
2.1
1.9
2.2
1.7
2.2
1.6
Prenatal visits
1-4
5.2
5.7
5.8
5.2
5.5
4.7
5.3
4.5
4.5
6.1
5.6
?
5
87.9 90.4 92.0 91.6 92.0 92.9 92.4 92.9 92.5 91.1 92.4
?
9
66.8 69.6 69.7 68.6 70.1 69.8 70.6 74.4 71.5 71.4 70.6
?
13
31.8 29.4 28.1 27.1 31.0 29.9 30.5 34.3 34.6 31.7 33.0
Medical risks/
Complications
a
69.6 66.2 70.9 66.5 68.6 71.5 71.5 73.2 72.2 74.2 75.2
Gestational age
b
Preterm (<37weeks)
72.4 76.8 74.3 74.6 74.0 72.9 71.7 69.5 70.9 71.4 70.7
Birthweight
<1,500 grams
16.5 14.9 15.8 16.1 15.0 15.7 15.5 13.3 16.7 16.1 15.3
<1,000 grams
7.7
7.1
8.4
7.1
6.2
6.8
6.9
5.7
7.6
7.6
6.9
Child's sex
Male
49.5 47.2 46.2 47.4 46.9 47.0 46.3 45.4 47.1 46.7 49.3
Female
50.5 52.8 53.8 52.6 53.1 53.0 53.7 54.6 52.9 53.3 50.7
Plurality
Multiple births
29.6 30.3 28.8 28.7 29.6 30.1 26.7 29.2 29.1 28.8 29.7
Caesarean delivery
48.1 46.8 47.9 48.4 49.6 53.2 50.5 51.1 50.9 52.5 49.5
Place of delivery
Hospital
c
99.5 99.5 99.6 99.5 99.5 99.4 99.7 99.5 99.2 99.4 99.6
Attendant at birth
Midwife
d
1.2
1.4
0.9
0.9
1.2
1.3
1.1
1.1
1.0
1.3
1.7
Previous live births
1 or more
54.7 54.6 54.3 56.9 57.5 58.3 56.7 58.2 56.2 57.9 56.8
Notes:
a
Reportedmedical risks for this pregnancy and/or complications of labor and delivery.
b
Physician's estimate.
c
Hospital, clinic, medical center or maternity home.
d
LicensedMidwife or Certified Nurse Midwife.
TABLE1B-7
LOW-BIRTHWEIGHT (LBW) BIRTHSACCORDINGTOSELECTEDMATERNAL, PRENATALCAREAND
DELIVERYCHARACTERISTICS, BIRTHWEIGHT, PLURALITY, CHILD'SSEX, BIRTHORDER,
ANDBIRTHCOMPLICATIONS, ARIZONA, 2003-2013
(WHITENON-HISPANICMOTHERS)
38
Arizona Health Status and Vital Statistics 2013
