Table 1.
Demographic characteristics by body mass index (BMI) category and sex
| Normal Weight | Overweight | Obese | Statistic | ||||
|---|---|---|---|---|---|---|---|
| BMI 18.50–24.99 | BMI ≥ 25.00–29.99 | BMI ≥ 30.00 | |||||
| Male | Female | Male | Female | Male | Female | ||
| N | 5957 | 10246 | 7822 | 6784 | 4215 | 5766 | |
| Agea* | 41.99 (0.30) | 44.14 (0.27) | 45.68 (0.27) | 48.21 (0.33) | 45.13 (0.27) | 47.57 (0.30) | F(5, 65) = 75.90, p <.001 |
| Race-ethnicity* | χ2 (20) = 105.10, p<.001 | ||||||
| African American | 9.86 (0.76) | 7.66 (0.76) | 9.15 (0.58) | 13.26 (0.90) | 12.07 (0.87) | 19.52 (1.11) | |
| American Indian | 1.91 (0.26) | 1.92 (0.23) | 1.94 (0.21) | 2.01 (0.26) | 2.64 (0.37) | 2.77 (0.35) | |
| Asian | 7.36 (1.16) | 5.95 (0.74 | 3.43 (0.44) | 3.09 (0.46) | 1.68 (0.34) | 1.76 (0.33) | |
| Hispanic/Latino | 11.67 (1.19) | 9.63 (1.02) | 12.48 (1.37) | 13.28 (1.69) | 12.20 (1.56) | 11.70 (1.36) | |
| White | 69.20 (2.02) | 74.84 (1.63) | 73.01 (1.55) | 68.37 (1.86) | 71.42 (1.73) | 64.24 (1.70) | |
| Education* | χ2 (10) = 97.48, p <.001 | ||||||
| Less than high school | 16.08 (0.67) | 11.97 (0.50) | 14.97 (0.68) | 17.25 (0.92) | 16.64 (0.93) | 20.05 (0.85) | |
| High school graduate | 27.40 (0.88) | 27.65 (0.73) | 28.16 (0.90) | 30.25 (0.74) | 31.41 (0.93) | 33.41 (0.85) | |
| Some college or higher | 56.51 (1.05) | 60.38 (0.81) | 56.87 (0.94) | 52.50 (0.96) | 51.95 (1.10) | 46.54 (0.95) | |
| Marital status* | χ2 (15) = 196.42, p <.001 | ||||||
| Married/living with partner | 54.48 (0.84) | 58.95 (0.74) | 69.80 (0.62) | 62.00 (0.83) | 70.58 (0.97) | 56.90 (0.82) | |
| Widowed | 2.80 (0.25) | 9.20 (0.32) | 2.52 (0.17) | 11.31 (0.43) | 1.55 (0.18) | 11.22 (0.47) | |
| Divorced/separated | 8.88 (0.38) | 11.48 (0.37) | 9.59 (0.36) | 12.16 (0.44) | 9.87 (0.48) | 14.74 (0.51) | |
| Single (never married) | 33.84 (0.90) | 20.36 (0.68) | 18.09 (0.57) | 14.53 (0.63) | 18.01 (0.86) | 17.13 (0.59) | |
| Income* | χ2 (15) = 168.13, p <.001 | ||||||
| $10,000 per year or less | 9.53 (0.46) | 11.41 (0.45) | 5.85 (0.35) | 11.13 (0.49) | 5.79 (0.44) | 12.82 (0.57) | |
| $10,001–$25,000 | 20.40 (0.74) | 20.13 (0.55) | 17.21 (0.59) | 24.65 (0.65) | 17.24 (0.75) | 25.71 (0.70) | |
| $25,000–$50,000 | 31.90 (0.84) | 28.39 (0.63) | 31.75 (0.73) | 30.29 (0.61) | 33.27 (1.01) | 32.66 (0.83) | |
| Over $50,000 | 38.18 (1.08) | 40.06 (1.02) | 45.18 (0.99) | 33.93 (0.98) | 43.69 (1.25) | 28.81 (0.91) | |
| Region of country* | χ2 (15) = 29.66, p <.050 | ||||||
| Northeast | 18.79 (3.71) | 20.20 (3.61) | 21.03 (3.47) | 20.34 (3.58) | 17.90 (2.84) | 18.11 (3.06) | |
| Midwest | 22.10 (3.30) | 22.58 (3.39) | 22.95 (3.13) | 22.47 (3.24) | 25.67 (3.13) | 24.65 (3.24) | |
| South | 34.22 (3.47) | 33.92 (3.43) | 34.53 (3.26) | 35.96 (3.38) | 36.73 (3.10) | 37.37 (3.15) | |
| West | 24.89 (4.18) | 23.30 (3.76) | 31.49 (3.42) | 21.24 (3.62) | 19.70 (3.10) | 19.86 (3.18) | |
| Urban vs. Rural* | χ2 (5) = 35.20, p <.001 | ||||||
| Urban | 82.54 (1.65) | 81.74 (1.62) | 80.00 (1.67) | 80.04 (1.75) | 76.66 (1.82) | 78.20 (1.77) | |
| Rural | 17.46 (1.65) | 18.26 (1.62) | 20.00 (1.67) | 19.96 (1.75) | 23.34 (1.82) | 21.80 (1.77) | |
Values represent percentages (unless otherwise noted) and numbers in parentheses are standard errors.
a
Values represent means.
*
Indicates significant group differences.