The prevalence is higher than previously suggested, the researchers said.
Experts say the survey is likely to show that the prevalence is higher than the current estimate of 5.5percentt of adults, and likely to increase.
In Ethiopia the prevalence is higher in urban areas and among young women and girls.
The OECD says: "Smoking prevalence is higher among men than among women in all OECD countries except in Sweden and Iceland".
Migraine prevalence is higher among unemployed for both genders and housewives.
"Men are more likely to develop addictions, and the prevalence is higher in men.
Some studies suggest that the prevalence is higher in Latin American, Caucasian, and Asian populations [1, 2].
Uterine fibroids are the most common tumors in women and their prevalence is higher in patients with infertility.
Prevalence is higher among Puerto Ricans and African-Americans than non-Hispanic whites, other Hispanic groups, or Asians.
The prevalence is higher in females than males at all post-pubertal ages, but the sex ratio varies with age [16].
It affects young people at pre-puberty or puberty (both sexes may be affected but prevalence is higher in females) (Raijmakers et al., 2012).
