ID

RDD

p

N

51

93

Sex Ratio (M/F)

2

0.73

Age (M+/−SD)

54.7

45.8

<0.001

Lifestyle

Singles (%)

54.9

34.4

NS

Couples (%)

45.1

65.6

Socioeconomic Status

Lower Class (%)

73.8

70.3

Middle Class (%)

18.4

14.8

NS

Upper Class (%)

7.8

14.8

Professional Status

Employed (%)

35.3

33

Unemployed (%)

7.8

19.3

NS

Retired (%)

37.2

11.8

Disabled (%)

11.7

6.4

Education

Primary (%)

53

47.8

Secondary (%)

26.5

28.2

NS

Graduate and Advanced (%)

18.3

23.9