Table 3 Multiple ordered logistic regression of the predictors of the discrepancy between self-reported and measured body weight by sex in the Third National Health and Nutrition Examination Survey, 1988–1994.

Age, years

   < 20

0.703 (0.478, 0.955)‡ ^*

0.558 (0.469, 0.664)^***

   20–29

0.997 (0.831, 1.196)

0.908 (0.751, 1.098)

   30–39 (Reference)

1.000

1.000

   40–49

0.920 (0.761, 1.113)

1.196 (0.960, 1.490)

   50–59

1.127 (0.903, 1.405)

1.607 (1.235, 2.070)^***

   60–69

1.000 (0.846, 1.181)

1.609 (1.198, 2.139)^***

   70–79

0.988 (0.801, 1.212)

1.707 (1.378, 2.094)^***

   80–89

1.174 (0.812, 1.697)

1.851 (1.226, 2.767)^***

   ≥ 90

1.474 (0.575, 3.741)

4.297 (3.390, 5.882)^***

Race-ethnicity (versus Non-Hispanic White)

   Non-Hispanic Black

1.471 (1.254, 1.708)^***

1.369 (1.186, 1.565)^***

   Mexican-American

1.035 (0.864, 1.240)

1.421 (1.226, 1.631)^***

   Other

0.933 (0.764, 1.139)

1.310 (1.043, 1.629)^*

Highest educational attainment

   Less than Primary

0.652 (0.417, 1.019)

1.826 (0.303, 10.996)

   Primary

1.415 (1.162, 1.705)^**

1.358 (1.068, 1.709)^*

   Secondary

1.288 (1.135, 1.447)^**

1.283 (1.118, 1.458)^**

   Tertiary (Reference)

1.000

1.000

   Beyond Tertiary

0.627 (0.564, 0.697)^***

0.839 (0.755, 0.933)^**

Marital status (versus Married)

   Never Married

1.009 (0.785, 1.297)

   Widowed

1.085 (0.906, 1.299)

   Divorced

0.822 (0.714, 0.947)^*

Annual income

   None

1.293 (0.636, 2.604)

   $1 to 9,999

1.108 (0.954, 1.274)

   $10,000 to 19,999

0.916 (0.763, 1.099)

   $20,000 to 29,999 (Reference)

1.000

   $30,000 to 39,999

0.905 (0.744, 1.101)

   $40,000 to 49,999

0.749 (0.639, 0.878)^**

   ≥ $50,000

0.709 (0.625, 0.804)^***

Ever smoked cigarettes (versus "No")

1.190 (1.003, 1.411)^*

Would like to change weight (versus "Stay the same")

   Weigh more

1.500 (1.289, 2.273)^**

   Weigh less

0.988 (0.846, 1.153)

Level of activity with people of same age (versus "About the same")

   More active

1.088 (0.945, 1.253)

   Less active

1.224 (1.129, 1.314)^**

Time since last visit to health professional, months

0.996 (0.992, 0.999)^*

Measured BMI†, kg/m²

   < 18.5

2.161 (1.847, 2.529)^**

3.930 (3.370, 4.583)^***

   18.5–24.9 (Reference)

1.000

1.000

   25.0–29.9

0.475 (0.434, 0.520)^***

0.419 (0.393, 0.447)^***

   30.0–34.9

0.262 (0.244, 0.248)^***

0.254 (0.235, 0.274)^***

   35.0–39.9

0.100 (0.095, 0.105)^***

0.186 (0.176, 0.196)^***

   ≥ 40

0.051 (0.049, 0.053)^***

0.086 (0.084, 0.088)^***