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Table 2 Infant conditions by residence, Plant period, and adjusted by period, 1983-2014

From: Reproductive outcomes after non-occupational exposure to hexavalent chromium, Willits California, 1983-2014

Condition

Rate (%)

Relative Risk per Birth

Chi-sq P-Value

Discharges

Within Period

Adjust by Period

ROC

Willits

83-96

97-14

RR

LCL

UCL

CMH

BD

 Total discharges

33505

5767

       

 Newborn

29311

5036

       

 Post-natal admissions

4194

731

       

Origin in perinatal period

 Preterm, LBW, SGA

8.30

9.43

1.11

1.16

1.14

1.05

1.25

0.0029

0.5801

 Macrosomia

5.63

6.50

1.24

1.12

1.16

1.04

1.29

0.0058

0.3909

 Intrauterine hypoxia/asphyxia

4.35

4.27

1.10

0.52

0.97

0.85

1.10

0.6139

0.0001

 Respiratory distress syndrome

1.58

1.56

0.96

1.01

0.99

0.79

1.23

0.9203

0.8410

 Perinatal jaundice

13.96

15.78

1.27

1.07

1.13

1.06

1.20

0.0002

0.0234

General infant health

 General health condition (Any)

23.57

25.11

1.07

1.08

1.08

1.03

1.13

0.0013

0.5011

 Infectious/parasitic

13.96

14.91

1.02

1.10

1.09

1.02

1.16

0.0070

0.4665

 Endocr Nutri Metab Immun

2.01

1.96

0.94

1.00

0.98

0.80

1.19

0.8377

0.7761

 Nervous/sense organs

5.19

5.98

1.11

1.19

1.17

1.05

1.31

0.0059

0.5950

 Respiratory system

3.90

4.09

1.29

0.82

1.05

0.92

1.20

0.4942

0.0012

 Digestive system

1.82

1.80

1.00

0.99

0.99

0.81

1.22

0.9587

0.9567

 Genitourinary system

1.19

1.23

1.16

0.98

1.04

0.81

1.34

0.7500

0.5307

Congenital anomaly

 Genitourinary

1.22

0.99

1.28

0.56

0.81

0.62

1.07

0.1428

0.0030

 Eye ear face neck cleft chrom

0.93

1.11

1.59

0.93

1.19

0.91

1.56

0.1963

0.0489