Table 1

Demographic characteristics of obese men and women and their weight perceptions and BMI knowledge: 2007 and 2012

 WomenMen
20072012p Value20072012p Value
N=164N=143N=178N=172
Age (mean, SD)50.2(16.1)52.7(17.5)t=−1.30.1946.5(14.9)49.7(15.2)t=−2.0<0.05
BMI (mean, SD)35.1(4.6)34.3(4.3)t=1.720.0933.5(3.7)34.3(5.2)t=−1.50.13
Social grade % (n)
 High (ABC1)48.8(80)49.7(71)χ2=0.020.8847.2(84)48.3(83)χ2=0.040.84
 Low (C2DE)51.2(84)50.3(72)52.8(94)51.7(89)
Describe your current weight % (n)
 Underweight/about right1.8(3)5.6(8)χ2=10.61<0.0510.7(19)10.5(18)χ2=3.730.29
 Overweight48.2(79)60.8(87)62.4(111)66.3(114)
 Very overweight37.2(61)23.1(33)23.0(41)16.3(28)
 Obese12.8(21)10.5(15)3.9(7)7.0(12)
BMI knowledge % (n)
 Heard of BMI75.6(124)79.7(114)χ2=0.740.3973.6(131)76.2(131)χ2=0.310.58
 Correctly identify BMI ‘obese’12.2(20)8.4(12)χ2=1.180.285.1(9)7.0(12)χ2=0.570.45
  • Weighted base: women=307 men=350.

  • BMI, body mass index.