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Table 4 Multivariate analysis of the determinants of obesity in the Portuguese population, by gender

From: Ten-year trends in overweight and obesity in the adult Portuguese population, 1995 to 2005

 

Men

Women

Survey year

  

   1995-6

1 (ref.)

1 (ref.)

   1998-9

1.15 [1.07 - 1.23]

1.18 [1.11 - 1.25]

   2005-6

1.51 [1.41 - 1.62]

1.49 [1.40 - 1.59]

Educational level (%)

  

   Primary

1.79 [1.57 - 2.05]

3.80 [3.25 - 4.43]

   Secondary

1.30 [1.13 - 1.50]

1.76 [1.49 - 2.09]

   University

1 (ref.)

1 (ref.)

Age group (%)

  

   18-24

1 (ref.)

1 (ref.)

   25-34

2.43 [2.05 - 2.88]

2.40 [1.98 - 2.91]

   35-44

4.11 [3.50 - 4.82]

4.19 [3.49 - 5.03]

   45-54

5.30 [4.53 - 6.21]

6.41 [5.35 - 7.68]

   55-64

5.67 [4.84 - 6.66]

6.37 [5.31 - 7.63]

   65-74

4.75 [4.04 - 5.59]

5.56 [4.63 - 6.68]

   75+

2.97 [2.48 - 3.56]

3.78 [3.13 - 4.57]

  1. Statistical analysis by logistic regression. Results are expressed as Odds-ratio and [95% confidence interval]. The results for each variable are adjusted for the other two. Obesity was defined as a body mass index ≥30 kg/m2.