Skip to main content

Table 3 Actual BMI and changes in BMI by level of income and education in 1990 and 2001

From: Changes in body mass index by age, gender, and socio-economic status among a cohort of Norwegian men and women (1990–2001)

 

1990

2001

1990–2001

 

BMI kg/m2

BMI kg/m2

BMI unit change¶

 

Mean (SE)

F (p-value)

Mean (SE)

F (p-value)

Mean (SE)

F (p-value)

Men

      

Education

      

   Low

24.8 (0.24)

 

26.4 (0.31)

 

1.6 (0.18)

 

   Middle

24.6 (0.22)

0.27 (0.76)

26.4 (0.25)

0.35 (0.71)

1.6 (0.15)

0.10 (0.91)

   High

24.6 (0.22)

 

26.1 (0.25)

 

1.5 (0.14)

 

Income Level

      

   Urban

      

Low

24.0 (0.30)

 

26.1 (0.38)

 

2.1 (0.22)

 

Middle

24.5 (0.29)

1.5 (0.25)

26.3 (0.36)

0.44 (0.64)

1.7 (0.21)

0.79 (0.45)

High

24.8 (0.32)

 

26.7 (0.39)

 

1.9 (0.23)

 

   Rural

      

Low

24.6 (0.31)

 

26.0 (0.36)

 

1.3 (0.21)

 

Middle

24.4 (0.31)

6.3 (0.001)**

25.5 (0.36)

4.2 (0.02)*

0.98 (0.20)

0.80 (0.45)

High

26.2 (0.38)

 

27.1 (0.43)

 

0.98 (0.25)

 

Women

      

Education

      

   Low

23.5 (0.29)

 

25.1 (0.36)

 

1.8 (0.22)

 

   Middle

22.6 (0.23)

3.3 (0.03)*

24.5 (0.27)

1.4 (0.25)

1.8 (0.17)

0.04 (0.96)

   High

22.4 (0.26)

 

24.4 (0.26)

 

1.8 (0.16)

 

Income Level

      

   Urban

      

Low

22.0 (0.26)

 

23.8 (0.31)

 

1.8 (0.21)

 

Middle

22.3 (0.33)

0.21 (0.82)

23.9 (0.38)

0.45 (0.64)

1.6 (0.26)

0.67 (0.51)

High

22.2 (0.38)

 

24.3 (0.44)

 

2.1 (0.30)

 

   Rural

      

Low

23.5 (0.39)

 

25.3 (0.55)

 

1.8 (0.26)

 

Middle

23.6 (0.47)

0.24 (0.78)

25.1 (0.54)

0.14 (0.87)

1.5 (0.31)

0.29 (0.74)

High

23 1 (0 45)

 

25 0 (0 51)

 

1 8 (0 29)

 
  1. Age-controlled results shown. Estimated marginal means and standard errors are depicted. BMI, body mass index.
  2. ¶ Year 2001 education and income level used in formula; * significant at p ≤ 0.05 level; ** significant at p ≤ 0.01 level.