Table 2 SCL-90-R scores stratified according to cognitive impairment assessed at baseline

Baseline

Total Sample

Impaired (n = 53)

Nonimpaired (n = 109)

Impaired (n = 30)

Nonimpaired (n = 133)

Impaired (n = 87)

Nonimpaired (n = 58)

SCL-90-R GSI, \(\overline{x}\) (SD)

1.1 (0.7)

1.1 (0.7)

1.1 (0.7)

1.4 (0.8)^*

1.1 (0.6) ^*a)

1.4 (0.6) ^***

0.7 (0.5) ^***

SCL-90-R Caseness, n(%)

123 (75.9)

40 (75.5)

83 (76.5)

26 (86.7)

98 (73.7)

79 (90.8) ^***

28 (48.3) ^***

Year 1

Total Sample

Impaired (n = 44)

Nonimpaired (n = 99)

Impaired (n = 25)

Nonimpaired (n = 119)

Impaired (n = 76)

Nonimpaired (n = 53)

SCL-90-R GSI. \(\overline{x}\) (SD)

0.8 (0.6)

1.0 (0.6)

0.8 (0.7)

0.9 (0.6)

0.8 (0.7)

1.0 (0.6) ^***

0.6 (0.6) ^***

SCL-90-R Caseness

84 (57.9)

32 (72.7)^*

51 (51.5)^*

17 (68.0)

66 (55.5)

54 (71.1) ^***

20 (37.7) ^***

Year 5

Total Sample

Impaired (n = 33)

Nonimpaired (n = 74)

Impaired (n = 16)

Nonimpaired (n = 93)

Impaired (n = 59)

Nonimpaired (n = 36)

SCL-90-R GSI, \(\overline{x}\) (SD)

0.8 (0.7)

0.9 (0.7)

0.7 (0.6)

1.0 (0.8)

0.7 (0.7)

0.9 (0.7) **

0.5 (0.6) **

SCL-90-R Caseness, n(%)

57 (52.3)

22 (66.7)^*

33 (44.6)^*

13 (81.3)^*

44 (47.3)^*

35 (59.3) *

12 (33.3) *