Table 3 Coefficients from conditional quantile regression models on body mass index (BMI) among men (N = 7109), 2008–2012
Characteristic | 10th Quantile | 25th Quantile | 50th Quantile | 75th Quantile | 90th Quantile |
|---|---|---|---|---|---|
Model 1: | |||||
Educational attainment (middle school or less)a | |||||
High school | 0.15(0.18) | 0.04(0.10) | 0.19(0.09)* | 0.16(0.12) | 0.42(0.20)* |
College and above | 0.46(0.19)* | 0.32(0.11)** | 0.36(0.12)** | 0.46(0.11)** | 0.59(0.21)** |
Goodness of fit: R1(τ) | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
Model 2: | |||||
Educational attainment (middle school or less)a | |||||
High school | 0.06(0.15) | −0.02(0.16) | 0.01(0.15) | −0.03(0.16) | −0.01 (0.21) |
College and above | 0.13(0.16) | −0.04(0.16) | 0.02(0.15) | −0.03(0.24) | −0.10(0.17) |
Household income (logged) | 0.39(0.10)** | 0.30(0.05)** | 0.19(0.09)* | 0.06(0.05) | 0.11(0.11) |
Occupational status (manual worker) | |||||
Professional | 0.46(0.15)** | 0.59(0.16)** | 0.52(0.11)** | 0.39(0.12)** | 0.44(0.21)* |
Clerical/service/sales | 0.33(0.11)** | 0.47(0.12)** | 0.46(0.10)** | 0.40(0.12)** | 0.50(0.19)** |
Not in the labor force | −0.04(0.22) | 0.18(0.18) | 0.17(0.18) | −0.16(0.16) | −0.07(0.26) |
Goodness of fit: R1(τ) | 0.02 | 0.01 | 0.01 | 0.01 | 0.02 |
Model 3: | |||||
Educational attainment (middle school or less)a | |||||
High school | −0.04(0.22) | 0.03(0.12) | 0.08(0.14) | −0.03 (0.15) | −0.09(0.17) |
College and above | −0.01(0.32) | 0.09(0.16) | 0.07(0.17) | 0.05(0.19) | −0.02(0.24) |
Household income (logged) | 0.39(0.10)** | 0.31(0.05)** | 0.10(0.06) | 0.03(0.07) | 0.08(0.12) |
Occupational status (manual worker) | |||||
Professional | 0.32(0.23) | 0.42(0.16)** | 0.50(0.12)** | 0.41(0.14)** | 0.36(0.21) |
Clerical/service/sales | 0.36(0.15)* | 0.33(0.09)** | 0.36 (0.12)** | 0.30(0.11)** | 0.38(0.23) |
Not in the labor force | −0.16(0.28) | 0.01(0.21) | 0.17(0.22) | 0.16(0.21) | 0.25(0.32) |
Health behaviors | |||||
Hours of work | −0.02(0.03) | −0.02 (0.02) | 0.02(0.03) | 0.01(0.01) | 0.08(0.03)* |
Smoking (current smoker) | |||||
Non-smoker | 0.43(0.16)** | 0.24(0.13) | 0.20(0.15) | 0.17(0.15) | 0.22(0.17) |
Former smoker | 0.64(0.18)** | 0.63(0.13)** | 0.57(0.11)** | −0.02(0.14) | 0.11(0.19) |
Drinking (never) | |||||
Light drinker | 0.10(0.20) | 0.31(0.19) | 0.47(0.14)** | 0.44(0.23) | 0.63(0.45) |
Light and frequent drinker | 0.20(0.15) | 0.13(0.15) | 0.25(0.21) | 0.02(0.18) | 0.22(0.31) |
Moderate drinker | 0.31(0.14)* | 0.39(0.17)* | 0.54(0.15)** | 0.26(0.18) | 0.12(0.20) |
Heavy drinker (60–80 g ethanol/a day) | 0.62(0.16)* | 0.67(0.19)** | 0.75(0.14)** | 0.63(0.16)** | 0.69(0.24)** |
Binge drinker (> 80 g ethanol/a day) | 1.11(0.17)** | 1.26(0.21)** | 1.32(0.18)** | 1.17(0.19)** | 1.37(0.25)** |
Goodness of fit: R1(τ) | 0.04 | 0.03 | 0.02 | 0.02 | 0.03 |