Characteristic
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Number of LBW births
2,687 2,759 2,710 3,074 3,021 2,866 2,546 2,342 2,075 2,256 2,199
Age ofmother
?
19 years
21.1 18.9 19.6 20.5 19.4 18.7 18.1 17.1 16.6 15.0 12.9
?
30 years
24.4 26.7 26.6 27.0 28.5 29.0 31.7 32.6 29.3 32.3 31.7
Marital status
Unmarried
57.0 58.0 59.2 58.6 60.2 58.6 58.7 60.6 61.7 61.9 61.5
Mother?s education
<9 years
19.1 18.2 16.8 15.0 15.7 12.2 12.2
9.5
9.3
8.5
7.2
Prenatal care began
1st Trimester
65.8 67.2 69.5 71.1 69.7 74.8 75.9 76.7 77.2 76.5 74.8
3rd Trimester
4.0
3.9
3.4
3.6
4.0
3.2
2.7
3.2
2.7
3.2
3.8
No Care
7.5
6.5
6.7
6.4
6.0
4.7
5.2
3.9
4.3
3.7
4.2
Prenatal visits
1-4
10.0 12.5 12.5 11.0 10.7
9.6
9.5
9.2
9.7 10.6
9.5
?
5
79.3 79.9 80.6 82.3 83.1 85.5 85.0 86.2 85.4 85.4 85.9
?
9
52.5 50.9 52.7 53.5 54.4 58.5 58.2 58.7 59.9 59.9 63.7
?
13
22.2 19.9 16.9 18.6 20.7 22.5 21.3 21.4 23.6 21.9 24.1
Medical risks
Complications
a
58.5 61.1 63.5 62.4 62.2 67.1 69.0 72.8 66.4 73.8 70.3
Gestational age
b
Preterm (<37weeks)
69.7 71.7 74.3 71.5 71.6 72.0 71.1 70.9 71.4 72.0 71.5
Birthweight
<1,500 grams
15.7 18.2 18.0 18.2 18.2 16.3 17.1 15.6 16.6 16.8 16.7
<1,000 grams
8.2
9.0
9.4
8.6
9.8
7.4
8.4
7.3
8.9
8.2
8.0
Child?s sex
Male
47.7 48.1 47.1 47.2 49.3 48.9 48.5 47.8 46.7 51.1 49.9
Female
52.3 51.9 52.9 52.8 50.7 51.1 51.5 52.2 53.3 48.9 50.1
Plurality
Multiple births
18.7 19.5 18.9 19.1 19.5 18.3 18.6 18.8 18.1 18.5 21.3
Caesarean delivery
35.3 36.5 38.3 39.8 40.1 41.4 42.6 42.5 44.4 43.3 46.5
Place of delivery
Hospital
c
99.8 99.7 99.6 99.9 99.7 99.9 99.9 99.9 99.6 99.8 99.8
Attendant at birth
Midwife
d
2.7
2.8
2.5
1.5
2.4
2.9
2.6
3.0
2.4
3.0
2.5
Previous live births
1 or more
61.4 60.7 60.8 61.2 63.8 62.2 63.0 63.0 62.8 63.9 63.4
b
Physician's estimate.
c
Hospital, clinic, medical center or maternity home.
d
LicensedMidwife or Certified Nurse Midwife.
Notes:
a
Reportedmedical risks for this pregnancy and/or complications of labor and delivery.
TABLE1B-9
LOW-BIRTHWEIGHT (LBW) BIRTHSACCORDINGTOSELECTEDMATERNAL, PRENATALCAREAND
DELIVERYCHARACTERISTICS, BIRTHWEIGHT, PLURALITY, CHILD'SSEX, BIRTHORDER,
ANDBIRTHCOMPLICATIONS, ARIZONA, 2003-2013
(HISPANICOR LATINOMOTHERS)
40
Arizona Health Status and Vital Statistics 2013
