Advanced adenoma

*Forward selection was further considered

due to the limited event size

Insurance

Private vs Medicare

0.448

(0.24 - 0.82)

0.0245

0.448

(0.24 - 0.82)

0.0245

0.448

(0.24 - 0.82)

0.0245

Private vs Medicaid

1.137

(0.66 - 1.95)

1.137

(0.66 - 1.95)

1.137

(0.66 - 1.95)

Private vs Self-Pay

0.875

(0.51 - 1.51)

0.875

(0.51 - 1.51)

0.875

(0.51 - 1.51)

Medicare vs Medicaid

2.54

(1.35 - 4.78)

2.54

(1.35 - 4.78)

2.54

(1.35 - 4.78)

Medicare vs Self-Pay

1.953

(1.03 - 3.7)

1.953

(1.03 - 3.7)

1.953

(1.03 - 3.7)

Medicaid vs Self-Pay

0.769

(0.43 - 1.37)

0.769

(0.43 - 1.37)

0.769

(0.43 - 1.37)

Fellow

Yes vs No

1.912

(1.13 - 3.24)

0.0158

1.912

(1.13 - 3.24)

0.0158

1.912

(1.13 - 3.24)

0.0158

Tobacco use

Current vs Not current

2.362

(1.37 - 4.06)

0.0019

2.362

(1.37 - 4.06)

0.0019

2.362

(1.37 - 4.06)

0.0019

Right colon adenoma

Age

Every 1 year increase in Age

1.026

(1.01 - 1.05)

0.0067

1.027

(1.01 - 1.05)

0.005

1.026

(1.01 - 1.04)

0.0077

BMI

Every 1 unit increase in BMI

0.986

(0.96 - 1.01)

0.2226

0.986

(0.96 - 1.01)

0.2192

0.985

(0.96 - 1.01)

0.1789

Insurance

Private vs Medicare

0.689

(0.46 - 1.04)

0.0911

0.676

(0.45 - 1.02)

0.1334

0.698

(0.46 - 1.05)

0.0994

Private vs Medicaid

1.182

(0.84 - 1.66)

1.105

(0.79 - 1.54)

1.179

(0.84 - 1.66)

Private vs Self-Pay

1.154

(0.78 - 1.72)

1.074

(0.73 - 1.58)

1.174

(0.79 - 1.74)

Medicare vs Medicaid

1.714

(1.12 - 2.63)

1.635

(1.07 - 2.49)

1.689

(1.1 - 2.58)

Medicare vs Self-Pay

1.674

(1.03 - 2.71)

1.588

(0.99 - 2.54)

1.68

(1.04 - 2.71)

Medicaid vs Self-Pay

0.977

(0.68 - 1.41)

0.971

(0.68 - 1.4)

0.995

(0.69 - 1.44)

Institution

DMC vs Kings county

0.794

(0.45 - 1.41)

0.1979

0.791

(0.45 - 1.4)

0.3305

DMC vs SBUMC

1.482

(0.84 - 2.62)

1.156

(0.79 - 1.69)

Kings county vs SBUMC

1.867

(0.93 - 3.74)

1.461

(0.87 - 2.46)

Gender

Female vs Male

0.694

(0.54 - 0.9)

0.0049

0.69

(0.54 - 0.89)

0.0043

0.681

(0.53 - 0.88)

0.003

Race combined

White vs Black

1.337

(0.76 - 2.35)

0.1355

0.917

(0.65 - 1.3)

0.2423

White vs Other

0.751

(0.43 - 1.32)

0.636

(0.37 - 1.08)

Black vs Other

0.561

(0.32 - 0.99)

0.694

(0.42 - 1.16)