Predictors of self-perceived weight (very overweight/obese) among obese British adults (multivariable analysis)
| Women | Men | |||||
|---|---|---|---|---|---|---|
| %* | OR (95% CI) | p Value | %* | OR (95% CI) | p Value | |
| Age | 0.99 (0.98 to 1.01) | 0.28 | 1.00 (0.98 to 1.02) | 0.81 | ||
| Obesity grade | ||||||
| Grade 1 (BMI 30–<35) | 33.2 | 1 | <0.001 | 19.6 | 1 | <0.001 |
| Grades 2/3 (BMI ≥35) | 58.6 | 3.27 (1.95 to 5.48) | 42.4 | 3.26 (1.86 to 5.72) | ||
| Survey year | ||||||
| 2007 | 50.0 | 1 | <0.05 | 27.0 | 1 | 0.14 |
| 2012 | 33.6 | 0.53 (0.32 to 0.88) | 23.3 | 0.68 (0.40 to 1.14) | ||
| Social grade | ||||||
| Higher (ABC1) | 47.3 | 1 | 0.09 | 24.6 | 1 | 0.49 |
| Lower (C2DE) | 37.8 | 0.65 (0.39 to 1.07) | 25.7 | 1.21 (0.71 to 2.04) | ||
| BMI knowledge† | ||||||
| Incorrect/not known | 40.0 | 1 | <0.05 | 23.9 | 1 | <0.05 |
| Correct | 62.5 | 2.68 (1.16 to 5.19) | 45.0 | 3.19 (1.18 to 8.61) | ||
*Indicates percentage within each group perceiving themselves to be very overweight/obese.
†BMI knowledge: ‘Do you know what Body Mass Index is considered to be obese?’ (BMI=30 vs all other responses).
Weighted data. Base: women=307, men=350, All=657.
BMI, body mass index.