Table 1

Baseline socio-demographic and clinical data of the French cohort (n = 766)

Pure Mania

Mixed episode

p-value **


n = 504

n = 262


Socio-demographic data:

Age (Mean ± SD)

45.7 ± 13.9

45.1 ± 13.1

N.S.

Gender:

Male (n,%)

231 (46%)

73 (28%)

<0.001

Female (n,%)

257 (51%)

182 (69%)

Educational level (n,%):

None

8 (2%)

4 (2%)

N.S.

Primary

85 (17%)

37 (14%)

Junior high school/apprenticeship

156 (31%)

88 (34%)

Secondary

130 (26%)

69 (26%)

University

123 (24%)

58 (22%)

Marital status(n,%):

No partner

175 (35%)

96 (37%)

N.S.

Living with partner

229 (45%)

121 (46%)

Not living with partner

99 (20%)

43 (16%)

Type of residence(n,%):

Dependent

121 (24%)

56 (21%)

N.S.

Independent

383 (76%)

206 (79%)


History:

Age at onset of symptom(s):

(Mean ± SD)

Bipolar

30.9 ± 11.1

28.9 ± 11.3

0.036

Manic

32.5 ± 11.8

30.9 ± 12.8

N.S.

Depressive

32.3 ± 11.0

29.4 ± 11.3

0.004

Age at first admission to hospital (Mean ± SD)

32.0 ± 11.7

31.6 ± 12.3

N.S

No. of manic episodes in the past 12 months

(including current episode):

1

305 (61%)

130 (50%)

0.009

> 1

173 (34%)

108 (41%)

Unknown

24 (5%)

22 (8%)

No. of depressive episodes in the past 12 months:

None

246 (49%)

62 (24%)

<0.001

≤ 2

214 (42%)

148 (56%)

> 2

14 (3%)

30 (11%)

Unknown

29 (6%)

20 (8%)

Past suicide attempts (n,%)

32 (6%)

49 (19%)

<0.001


Current episode:

Rapid cycle * (n,%)

55 (11%)

68 (26%)

<0.001


* Rapid cycle: at least 4 depressive or manic episodes in the past 12 months

** p-value with significant threshold of a type 1 error α = 0.05

N.S. = not significant

Azorin et al. BMC Psychiatry 2009 9:33   doi:10.1186/1471-244X-9-33

Open Data