Table 1 Demographic, clinical and visual acuity participant characteristics

Demographic

 Age (years)

33.88 (12.82)

32.16 (9.59)

F = 0.29

 Female (%)

58.33%

52%

χ² = 0.20

 Caucasian (%)

87.50%

92%

χ² = 2.71

 Education (years)

14.88 (1.94)

15.86 (2.38)

F = 2.41

 Employed (%)

58.33%

64%

χ² = 1.66

 Partnered (%)

41.66%

60%

χ² = 1.64

 Number children

0.54 (0.98)

0.32 (0.80)

F = 0.76

 Annual income

χ² = 11.78

  < $10K

8 (33%)

3 (12%)

  $10K–$25K

10 (42%)

5 (20%)

  $26K–$50K

2 (8%)

5 (20%)

  $51K–$75K

1 (4%)

6 (24%)

  $76K–$100K

0

3 (12%)

  > $100K

3 (13%)

3 (12%)

Cognitive

 Working memory

11.46 (2.73)

12.16 (3.39)

F = 0.63

 MMSE

28.13 (1.92)

28.88 (1.33)

F = 2.57

Clinical

 YMRS

1.79 (2.06)

0.48 (0.71)

F = 8.99*

 IDS-C

4.25 (2.75)

2.12 (2.49)

F = 8.08*

 GAF

70.94 (8.33)

88.56 (4.78)

F = 83.121

 Age at onset (years)

16.42 (4.55)

–

–

 Illness duration (years)

17.46 (13.57)

–

–

 # Depressive episodes

22.48 (30.27)

–

–

 # Manic episodes

15.65 (24.33)

–

–

Visual acuity

χ² = 2.78

 20/13

2 (8.3%)

2 (8%)

 20/15

1 (4.2%)

2 (8%)

 20/20

6 (25%)

9 (36%)

 20/25

6 (25%)

5 (20%)

 20/30

5 (20.8%)

4 (16%)

 20/40

4 (16.7%)

2 (8%)

 20/50

0 (0%)

1 (4%)