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Table 1 Prevalence of obesity by income and education, joint Canada-United States survey of health, 2002/03

From: Cross-national comparison of socioeconomic inequalities in obesity in the United States and Canada

  All Women Men
    Obese   Obese   Obese
  Na $ (Lower bound)b % Na % Na %
United States 5067   21.1** 2859 22.1** 2208 20.1
Canada 3404   15.7 1809 13.3 1595 18.2
Inequities by Incomeb        
  United States        
 First quintile 1115 $0 26.3 727 28.9 388 22.6
 2nd quintile 1082 $24,766 22.2 652 25.4 430 18.6
 3rd quintile 878 $39,910 19.2 496 17.6 382 20.9
 4th quintile 981 $59,540 19.9 514 19.4 467 20.5
 5th quintile (ref.) 1011 $89,183 17.1 470 15.5 541 18.3
  Canada        
 First quintile 833 $0 17.6 512 15.5 321 20.4
 2nd quintile 736 $25,199 16.2 403 14.8 333 17.8
 3rd quintile 621 $38,855 16.0 338 12.8 283 19.6
 4th quintile 638 $54,167 15.3 311 11.3 327 18.8
 5th quintile (ref.) 576 $81,440 13.2 245 10.4 331 14.9
Inequities by education        
  United States        
 Less than high school 542   29.9* 319 33.2** 223 25.1
 High school 1685   23.6** 969 23.6 716 23.7
 Technical/trade degree 670   23.3 374 23.3 296 23.4
 University/college (ref.) 1765   16.9 899 17.7 866 16.1
  Canada        
 Less than high school 709   19.2 343 15.8 366 22.3
 High school 929   15.4 477 14.1 452 16.6
 Technical/trade degree 701   15.5 393 14.6 308 16.6
 University/college (ref.) 883   13.9 456 12.8 427 15.1
  1. Percents weighted to the U.S. population as determined from the October 2002 Current Population Survey and weighted to Canadian population as determined from the 1996 Census
  2. aCalculated from full sample of Americans or Canadians without requiring valid information on income or education
  3. bU.S. dollars adjusted for 2001 purchasing power parity (PPP) from Statistics Canada
  4. *p < 0.10; **p < 0.05 comparing U.S. to Canada. Chi-square statistics were used to assess statistical significance of comparisons between the U.S. and Canada for each SES category