Variable (N = 3,742,090)

Mean (SD)

OR

P Value

95%CI

Age (Years)

32.23 (24)

0.9987559

0.00

0.99900798

0.99850383

Race (Ref = White)

32%

1.00

Hispanic

32%

0.819229

0.00

0.80625

0.832417

Black

29%

1.298713

0.00

1.279947

1.317755

Other

7%

0.8130546

0.00

0.7906744

0.8360682

Gender (Ref = Female)

56%

1.00

Male

44%

1.149738

0.00

1.135971

1.163672

Day of the Week (Ref = Sun)

15%

1.00

Mon

15%

0.9676588

0.00

0.9471832

0.9885769

Tue

14%

0.926117

0.00

0.9060554

0.9466228

Wed

14%

0.9094932

0.00

0.889578

0.9298543

Thu

14%

0.8871639

0.00

0.8675031

0.9072702

Fri

14%

0.8621447

0.00

0.8429226

0.8818052

Sat

14%

0.9030775

0.00

0.8833774

0.9232169

Month (Ref = Jan)

9%

1.00

Feb

8%

0.9253533

0.00

0.9007364

0.950643

Mar

9%

0.8371316

0.00

0.8146833

0.8601985

Apr

8%

0.8059881

0.00

0.7840069

0.8285857

May

9%

0.6973015

0.00

0.6777223

0.7174463

Jun

8%

0.5456069

0.00

0.5287041

0.5630501

Jul

8%

0.5050981

0.00

0.4891238

0.521594

Aug

8%

0.606915

0.00

0.5888086

0.6255782

Sep

8%

0.8543239

0.00

0.8314514

0.8778256

Oct

8%

0.8128291

0.00

0.7907389

0.8355364

Nov

8%

0.9503492

0.00

0.9252994

0.9760771

Dec

8%

1.066658

0.00

1.039403

1.094628

Year (Ref = 2004)

8%

1.00

2005

8%

1.097846

0.00

1.062822

1.134025

2006

20%

1.218226

0.00

1.185538

1.251815

2007

12%

2.607775

0.00

2.539152

2.678252

2008

25%

1.082041

0.00

1.053424

1.111436

2009

27%

1.159948

0.00

1.129699

1.191007