Table 2 Prevalence ratios of obesity (Compared to Normal Weight) through the socioeconomic distributions of each country, joint Canada-United States survey of health, 2002/03

Inequities by Income

  United States

 First quintile (lowest)

1.82 (1.52 - 2.19)

2.17 (1.66 - 2.84)

1.52 (1.17 - 1.98)

 2nd quintile

1.54 (1.28 - 1.85)

1.78 (1.36 - 2.33)

1.35 (1.04 - 1.77)

 3rd quintile

1.29 (1.06 - 1.58)

1.35 (1.01 - 1.81)

1.28 (0.97 - 1.67)

 4th quintile

1.22 (1.01 - 1.48)

1.29 (0.97 - 1.71)

1.16 (0.90 - 1.48)

 5th quintile

(Ref)

(Ref)

(Ref)

  Canada

 First quintile (lowest)

1.45 (1.10 - 1.91)

1.79 (1.13 - 2.82)

1.29 (0.91 - 1.83)

 2nd quintile

1.46 (1.12 - 1.91)

1.77 (1.12 - 2.79)

1.32 (0.95 - 1.82)

 3rd quintile

1.24 (0.94 - 1.63)

1.46 (0.91 - 2.33)

1.21 (0.87 - 1.69)

 4th quintile

1.12 (0.84 - 1.49)

1.06 (0.64 - 1.78)

1.22 (0.88 - 1.68)

 5th quintile

(Ref)

(Ref)

(Ref)

Inequities by education

  United States

 < High school

2.00 (1.68 - 2.38)

2.39 (1.90 - 3.01)

1.63 (1.25 - 2.13)

 High school

1.46 (1.27 - 1.68)

1.55 (1.28 - 1.88)

1.42 (1.16 - 1.73)

 Technical/trade

1.42 (1.19 - 1.69)

1.53 (1.20 - 1.96)

1.32 (1.01 - 1.71)

 University/college

(Ref)

(Ref)

(Ref)

  Canada

 < High school

1.59 (1.25 - 2.02)

1.48 (1.00 - 2.18)

1.54 (1.16 - 2.06)

 High school

1.24 (0.98 - 1.55)

1.32 (0.93 - 1.87)

1.18 (0.88 - 1.57)

 Technical/trade

1.13 (0.88 - 1.46)

1.26 (0.88 - 1.82)

1.08 (0.78 - 1.50)

 University/college

(Ref)

(Ref)

(Ref)