Table 1 Demographics of the study subjects in the new visit, remitted, and non-remitted MDD groups

Sex, n (%)

  Male

87 (30.3)

60 (25.5)

84 (29.1)

NS

  Female

200 (69.7)

175 (74.5)

205 (70.9)

Age (years)

44.4 ± 13.6

47.6 ± 11.8

44.8 ± 13.3

0.0111^b

a = c < b

Marital status, n (%)

  Single

63 (22.0)

36 (15.3)

62 (21.5)

NS

  Married

184 (64.1)

165 (70.2)

182 (63.0)

  Bereaved

11 (3.8)

12 (5.1)

21 (7.3)

  Divorced

24 (8.4)

15 (6.4)

18 (6.2)

  Separated

4 (1.4)

7 (3.0)

6 (2.1)

Education, n (%)

  Elementary school

40 (13.9)

32 (13.6)

46 (15.9)

NS

  Middle school

51 (17.8)

31 (13.2)

38 (13.1)

  High school

107 (37.3)

105 (44.7)

121 (41.9)

  University

81 (28.2)

56 (23.8)

72 (24.9)

  Graduate school

7 (2.4)

11 (4.7)

12 (4.2)

Job status, n (%)

  Employed

128 (44.6)

100 (42.6)

109 (37.7)

NS

  Unemployed

159 (55.4)

135 (57.4)

180 (62.3)

Onset of MDD (years)

41.6 ± 14.2

44.7 ± 12.6

41.3 ± 14.2

0.0111^b

a = c < b

Number of depressive episodes

1.1 ± 2.0

1.3 ± 2.2

1.7 ± 2.6

0.0131^b

a = b, b = c, a < c

Duration of depression (months)

6.3 ± 13.7

7.3 ± 16.6

8.1 ± 20.4

NS