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.

Characteristic
Male (n = 9,401)
Female (n = 10,649)

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)

DROPPED

     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)

DROPPED

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


     Weigh more
1.500 (1.289, 2.273)**
DROPPED
     Weigh less
0.988 (0.846, 1.153)

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


     More active
DROPPED
1.088 (0.945, 1.253)
     Less active

1.224 (1.129, 1.314)**
Time since last visit to health professional, months
DROPPED
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)***

* p ≤ 0.05; ** p ≤ 0.01; *** p ≤ 0.001; † body mass index = (weight in kilograms)/(height in meters)2; ‡ figures in parentheses are 95% confidence intervals.

Villanueva BMC Public Health 2001 1:11   doi:10.1186/1471-2458-1-11