Table 4

Univariable and multivariable regression for completion of any obesity intervention (N=372)

ParameterUnivariableMultivariable
OR (95% CI)P valueOR (95% CI)P value
BMI on problem list2.57 (1.68, 3.92)<0.0011.91 (1.09, 3.35)0.02
Age (categorical)0.92 (0.77, 1.10)0.4
BMI at index visit (kg/m²)
 Class I (reference)
 Class II2.26 (1.29, 3.97)0.0052.36 (1.14, 4.87)0.02
 Class ≥III2.45 (1.46, 4.12)0.0011.90 (0.97, 3.73)0.06
Race
 White (reference)
 Black0.80 (0.4, 1.59)0.520.63 (0.25, 1.60)0.33
 Other3.51 (0.7, 17.64)0.131.42 (0.09, 23.30)0.81
Ethnicity
 Non-Hispanic (reference)
 Hispanic1.96 (0.46, 8.33)0.360.93 (0.67, 13.03)0.96
ASA status
 I/II (reference)
 III/IV2.19 (1.16, 4.11)0.022.00 (0.93, 4.31)0.08
Tobacco use
 Never (reference)
 Current0.46 (0.16, 1.33)0.150.18 (0.04, 0.79)0.02
 Former0.81 (0.48, 1.36)0.430.65 (0.34, 1.24)0.19
Insurance
 Private (reference)
 Medicare0.84 (0.55, 1.27)0.40
 Medicaid0.52 (0.46, 5.86)0.60
 Uninsured0.35 (0.04, 3.41)0.36
 Other0.52 (0.05, 5.86)0.60
Chronic conditions (n)
 1 (reference)
 20.45 (0.16, 1.23)0.120.31 (0.07, 1.32)0.11
 3+0.75 (0.33, 1.73)0.500.87 (0.26, 2.99)0.85
Charlson Comorbidity Index0.98 (0.91, 1.06)0.67
Marital status
 Single (reference)
 Married1.08 (0.62, 1.90)0.781.23 (0.59, 2.58)0.58
 Widowed0.78 (0.34, 1.81)0.570.63 (0.22, 1.79)0.39
 Divorced1.95 (0.93, 4.09)0.081.89 (0.74, 4.87)0.18
 Other0.66 (0.06, 7.66)0.740.52 (0.04, 6.79)0.62
Distance from VUMC (miles)1.00 (1.00, 1.00)0.70
Provider
 A (reference)
 B0.80 (0.31, 2.04)0.640.69 (0.22, 2.24)0.54
 C0.73 (0.28, 1.91)0.530.74 (0.23, 2.41)0.62
 D0.90 (0.33, 2.44)0.830.7 (0.20, 2.47)0.58
 E1.16 (0.45, 2.99)0.760.84 (0.25, 2.82)0.77
 F1.00 (NA)NA1.00 (NA)NA
 G2.83 (1.08, 7.39)0.033.04 (0.91, 10.20)0.07
  • ASA, American Society of Anesthesiology; BMI, body mass index; CI, confidence interval; OR, odds ratio; VUMC, Vanderbilt University Medical Center.