Review Article

Overweight and Obesity Epidemic in Developing Countries: A Problem with Diet, Physical Activity, or Socioeconomic Status?

Table 1

Differences in mean BMI from 1981 to 2008 for both genders.

YearMean (SD) BMI kgm−2 (Male)Statistical difference in BMI across years ( value)Mean (SD) BMI kgm−2 (Female)Statistical difference in BMI across years ( value)

198122.7 (1.95)1981–1990: 23.2 (1.90)1981–1990:
199023.2 (1.82)1990–1999: 24.0 (1.89)1990–1999:
199923.8 (2.20)1999–2008: 24.8 (1.94)1999–2008:
200824.4 (1.97)1981–2008: 25.7 (2.08)1981–2008:

BMI, body mass index; SD, standard deviation.
Statistical test: paired sample -test.