Table 2

Characteristics of the sample (N = 510)

Depressed persons (n = 378)

Non-depressed controls (n = 132)

p


Age, mean (SD)

70.7 (7.4)

70.1 (7.2)

0.37


- 60-69, n (%)

189 (50.0)

74 (56.1)

0.48


- 70-79, n (%)

132 (34.9)

40 (30.3)


- > 80, n (%)

57 (15.1)

18 (13.6)


Female, n (%)

250 (66.1)

81 (61.4)

0.34


Level of education

< 0.001


- Low, n (%)

78 (20.6)

9 (6.8)


- Middle, n (%)

221 (58.5)

71 (53.8)


- High, n (%)

79 (20.9)

52 (39.4)


Marital status

0.001


- Never been married, n (%)

30 (7.9)

10 (7.6)


- Married, n (%)

174 (46.0)

86 (65.2)


- Living apart, n (%)

16 (4.2)

0


- Divorced, n (%)

54 (14.3)

10 (7.6)


- Widow(er), n (%)

104 (27.5)

26 (19.7)


Cognitive function, mean MMSE1 (SD)

27.69

28.34

0.001


1 MMSE: Mini-Mental State Examination

Comijs et al. BMC Research Notes 2011 4:524   doi:10.1186/1756-0500-4-524

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