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Table 1 Distribution of patients’ socio-demographic and clinical characteristics by allocated treatment

From: Effectiveness of lithium in subjects with treatment-resistant depression and suicide risk: results and lessons of an underpowered randomised clinical trial

 

Lithium + Usual care (n = 29)

Usual care (n = 25)

p

 

N

%/mean

n

%/mean

 

Females (%)

16

55

18

72

0.202

Age (years), mean (SD)

29

46 (12.3)

25

47 (9.4)

0.853

Education (%)

    

0.951

Primary school certificate

13

45

11

44

 

High school education/degree

16

55

14

56

 

Occupational status (%)

    

0.342

Employed

15

52

8

32

 

Unemployed

6

21

7

28

 

Other

8

28

10

40

 

Marital status

    

0.944

Unmarried

8

28

6

24

 

Married

15

52

14

56

 

Divorced/Widowed

6

21

5

20

 

Psychiatric admissions in the previous 12 months (%)

     

0

10

34

7

28

 

1

11

38

9

36

0.781

≥2

8

28

9

36

 

Personality disorders (%)

10

34

7

28

0.609

Current alcohol/drug abuse

0

0

2

8

0.210

History of alcohol abuse

4

14

8

32

0.188

Acts of self-harm in the previous 12 months (%)

    

0.721

1

16

55

15

60

 

≥2

13

45

10

40

 

Physical illness (%)

12

41

5

20

0.092

Past use of antidepressants (number), mean (SD)

29

3 (1.9)

25

3 (1.9)

0.470

Past use of lithium (%)

4

14

3

12

1.000

  1. Legend: SD = Standard deviation.