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. 2015;4(1):22–34. doi: 10.21106/ijma.53

Table 2.

Regression of Obesity and BMI on Covariates (n=23,434)

Covariates Unadjusted OR (95% CI) of obesity Adjusted* OR (95% CI) of obesity Unadjusted βˆ coefficient (95% CI) for BMI Adjusted* βˆ coefficient (95% CI) for BMI
Age (years)

 18-24 1.00 1.00 0.00 0.00

 25-39 1.55 (1.34, 1.80) 1.74 (1.48, 2.03) 1.95 (1.61, 2.29) 2.24 (1.88, 2.60)

 40-54 2.09 (1.80, 2.34) 2.38 (2.01, 2.80) 2.96 (2.61, 3.32) 3.29 (2.91, 3.67)

 55+ 1.78 (1.54, 2.06) 2.03 (1.71, 2.39) 2.35 (2.02, 2.68) 2.77 (2.38, 3.15)

 p-value <0.001 <0.001 <0.001 <0.001

Gender

 Female 1.00 1.00 0.00 0.00

 Male 1.02 (0.95, 1.09) 1.03 (0.96, 1.12) 0.55 (0.36, 0.74) 0.58 (0.39, 0.77)

 p-value 0.521 0.337 <0.001 <0.001

Race/ethnicity

 Non-Hispanic white 1.00 1.00 0.00 0.00

 Non-Hispanic black 1.66 (1.50, 1.83) 1.62 (1.46, 1.80) 1.74 (1.42, 2.07) 1.66 (1.33, 1.99)

 Hispanic 1.25 (1.14, 1.36) 1.30 (1.16, 1.45) 0.90 (0.65, 1.14) 0.98 (0.70, 1.26)

 Other 0.61 (0.52, 0.71) 0.69 (0.59, 0.81) −1.58 (−1.96, −1.20) −1.08 (−1.48, −0.69)

 p-value <0.001 <0.001 <0.001 <0.001

Years of Education

 Less than 9 years 1.60 (1.35, 1.90) 1.17 (0.97, 1.42) 1.62 (1.19, 2.05) 0.58 (0.11, 1.05)

 9-11 years 1.56 (1.35, 1.81) 1.33 (1.12, 1.58) 1.09 (0.67, 1.51) 0.73 (0.28, 1.18)

 12 years 1.71 (1.54, 1.90) 1.49 (1.33, 1.68) 1.57 (1.31, 1.83) 1.20 (0.93, 1.48)

 13-15 years 1.64 (1.48, 1.82) 1.60 (1.43, 1.79) 1.36 (1.10, 1.62) 1.37 (1.11, 1.62)

 16 or more years 1.00 1.00 0.00 0.00

 p-value <0.001 <0.001 <0.001 <0.001

Occupation

 Professional 1.00 1.00 0.00 0.00

 Sales/clerical/tech support 1.07 (0.95, 1.20) 0.86 (0.76, 0.97) 0.13 (−0.19, 0.45) −0.34 (−0.65, −0.03)

 Service 1.07 (0.93, 1.23) 0.81 (0.70, 0.94) −0.05 (−0.42, 0.31) −0.75 (−1.12, −0.38)

 Craft/repair 1.19 (1.04, 1.37) 0.79 (0.67, 0.92) 0.86 (0.50, 1.21) −0.52 (−0.90, −0.13)

 Laborer 1.43 (1.17, 1.76) 0.97 (0.77, 1.21) 1.28 (0.63, 1.93) −0.06 (−0.70, 0.57)

 Other 0.54 (0.34, 0.86) 0.44 (0.27, 0.71) −1.05 (−1.83, -0.27) −1.63 (−2.41, −0.85)

 Unempl/not in labor force 1.14 (1.03, 1.25) 0.85 (0.75, 0.95) 0.27 (0.01, 0.53) −0.49 (−0.77, −0.21)

 p-value <0.001 0.001 <0.001 <0.001

Poverty status

 <100% 1.28 (1.14, 1.44) 1.06 (0.92, 1.23) 0.73 (0.40, 1.07) 0.45 (0.07, 0.83)

 100-199% 1.43 (1.28, 1.60) 1.16 (1.02, 1.31) 1.10 (0.79, 1.40) 0.61 0.28, 0.94)

 200-299% 1.27 (1.13, 1.42) 1.02 (0.90, 1.15) 0.75 (0.44, 1.06) 0.22 (-0.09, 0.53)

 300-399% 1.24 (1.09, 1.41) 1.04 (0.91, 1.18) 0.81 (0.45, 1.17) 0.36 (0.02, 0.69)

 400-499% 1.30 (1.12, 1.51) 1.16 (0.99, 1.36) 0.73 (0.40, 1.19) 0.49 (0.11, 0.87)

 ≥500% 1.00 1.00 0.00 0.00

 Unknown 1.00 (0.88, 1.13) 0.87 (0.76, 0.99) −0.01 (−0.30, 0.27) −0.28 (−0.56, −0.00)

 p-value <0.001 <0.001 <0.001 <0.001

Home ownership

 Renter 1.00 1.00 0.00 0.00

 Owner 1.00 (0.93, 1.08) 0.98 (0.90, 1.07) 0.02 (−0.19, 0.23) −0.10 (−0.33, 0.12)

 p-value 0.896 0.772 0.841 0.363

Region

 Northeast 1.05 (0.93, 1.20) 1.08 (0.95, 1.23) 0.09 (−0.23, 0.43) 0.15 (−0.16, 0.47)

 Midwest 1.31 (1.17, 1.46) 1.21 (1.07, 1.37) 0.75 (0.43, 1.07) 0.52 (0.19, 0.84)

 South 1.34 (1.21, 1.48) 1.16 (1.05, 1.30) 0.75 (0.48, 1.03) 0.31 (0.04, 0.58)

 West 1.00 1.00 0.00 0.00

 p-value <0.001 0.008 <0.001 0.011

Smoking status

 Current smoker 1.00 1.00 0.00 0.00

 Former smoker 1.40 (1.25, 1.58) 1.61 (1.43, 1.82) 1.18 (0.87, 1.48) 1.42 (1.10, 1.74)

 Never smoker 1.09 (0.98, 1.20) 1.34 (1.20, 1.50) 0.29 (0.02, 0.57) 1.01 (0.72, 1.30)

 p-value <0.001 <0.001 <0.001 <0.001

Alcohol consumption status

 Never 1.00 1.00 0.00 0.00

 Former 1.40 1.25, 1.57) 1.19 (1.05, 1.34) 1.53 (1.20, 1.85) 0.85 (0.52, 1.19)

 Infrequent 1.40 (1.24, 1.57) 1.31 (1.15, 1.49) 1.25 (0.88, 1.63) 0.97 (0.60, 1.34)

 Light 0.95 (0.86, 1.04) 0.97 (0.87, 1.08) 0.18 (−0.08, 0.44) 0.16 (−0.11, 0.44)

 Moderate 0.78 (0.69, 0.88) 0.79 (0.69, 0.92) −0.38 (−0.69, −0.07) −0.45 (−0.79, −0.11)

 Heavy 0.66 (0.55, 0.79) 0.63 (0.51, 0.77) −0.67 (−1.07, −0.27) −0.70 (−1.12, −0.28)

 p-value <0.001 <0.001 <0.001 <0.001

Adherence to PA recommendations

 Yes 1.00 1.00 0.00 0.00

 No 1.83 (1.66, 2.01) 1.51 (1.36, 1.68) 1.52 (1.31, 1.74) 0.91 (0.69, 1.13)

 p-value <0.001 <0.001 <0.001 <0.001

Fruit & vegetable consumption 0.98 (0.98, 0.99) 0.98 (0.98, 0.99) −0.03 (−0.04, −0.02) −0.02 (−0.03, −0.02)

 p-value <0.001 <0.001 <0.001 <0.001

Sweets consumption 0.99 (0.98, 0.99) 0.98 (0.97, 0.98) −0.02(−0.03, −0.01) −0.04 (−0.06, −0.03)

 p-value 0.001 <0.001 <0.001 <0.001

Sugar-sweetened beverage consumption 1.00 (1.00, 1.01) 1.00 (0.99, 1.00) 0.02 (0.00, 0.03) 0.00 (−0.00, 0.02)

 p-value <0.001 0.111 <0.001 0.214

Meat consumption 1.03 (1.02, 1.04) 1.03 (1.02, 1.04) 0.10 (0.07, 0.13) 0.08 (0.06, 0.11)

 p-value <0.001 <0.001 <0.001 <0.001

Fries consumption 1.03 (1.01, 1.04) 1.02 (1.00, 1.04) 0.08 (0.03, 0.13) 0.05 (0.00, 0.10)

 p-value <0.001 0.018 <0.001 0.037

Wholegrain bread consumption 0.99 (0.98, 0.99) 0.99 (0.98, 1.00) −0.009 (−0.03, 0.01) 0.01 (−0.01, 0.03)

 p-value 0.041 0.773 0.386 0.283

Brown rice consumption 0.92 (0.89, 0.94) 0.95 (0.93, 0.97) −0.18 (−0.23, −0.14) −0.11 (−0.16, −0.07)

 p-value <0.001 <0.001 <0.001 <0.001

Cheese consumption 1.00 (1.00, 1.01) 1.02 (1.01, 1.03) 0.03 (0.00, 0.05) 0.07 (0.03, 0.10)

 p-value 0.031 <0.001 0.016 <0.001
*

Adjusted for all covariates,

OR=Odds ratio