Table 1 Patient characteristics

2005

1,223

801

Age (years, mean ± SD)

59.8 ± 9.0

62.1 ± 8.3

<0.001

Gender (% men)

47.3%

50.1%

0.231

Low SES (%)

33.5%

43.6%

<0.001

Immigrant (%)

40.1%

31.5%

<0.001

BMI (Kg/m²,mean ± SD)

29.7 ± 5.2

30.1 ± 5.6

0.092

At least one additional chronic disease (%)

78.6%

83.7%

<0.001

2006

1,172

852

Age (years, mean ± SD)

59.8 ± 8.8

62.0 ± 8.6

<0.001

Gender (%men)

48.1%

48.8%

0.755

Low SES (%)

33.0%

43.8%

<0.001

Immigrant (%)

38.6%

33.9%

0.029

BMI (Kg/m²mean ± SD)

29.8 ± 5.3

30.0 ± 5.4

0.350

At least one additional chronic disease (%)

78.8%

83.1%

0.001

2007

1,019

1,005

Age (years, mean ± SD)

59.2 ± 8.6

62.2 ± 8.7

<0.001

Gender (% men)

47.4%

49.4%

0.356

Low SES (%)

33.2%

42.0%

<0.001

Immigrant (%)

41.4%

31.8%

<0.001

BMI (Kg/m²mean ± SD)

30.0 ± 5.5

29.8 ± 5.2

0.508

At least one additional chronic disease (%)

78.6%

82.6%

<0.001

Complete 3 years follow-up

1,616 (79.8%)

408 (20.2%)

Age (years, mean ± SD)

60.0 ± 8.8

63.6 ± 8.2

<0.001

Gender (% men)

52.6%

49.3%

0.295

Low SES (%)

35.0%

47.8%

<0.001

Immigrant (%)

38.7

28.6%

<0.001

BMI BMI (Kg/m²mean ± SD)

29.8 ± 5.4

30.1 ± 5.3

0.419

At least one additional chronic disease (%)

78.1%

86.3%

<0.001