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Table 1 Socio-demographic variables of age, sex and social class for each age group

From: Mood and cognition in healthy older European adults: the Zenith study

 

Age groups

Variable

55-70 yrs

70-87 yrs

N

188

199

Mean (SD) age in years

61.8 (4.4)

74.3 (3.7)

Sex (%)

  

 Male

49.5

51.8

 Female

50.5

48.2

Social class (%)

  

Professional

43.2

33.2

 Skilled

48.1

55.8

 Semi-unskilled

8.7

11.1