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Table 6 Selected logistic regressions for lifetime suicide attempts by remoteness comparing 2007-NSMHWB and ARMHS samples

From: Determinants of suicidal ideation and suicide attempts: parallel cross-sectional analyses examining geographical location

Characteristic (predictor or exposure variable)

Category

2007-NSMHWB#

ARMHS#

Major cities (n = 5388) n (%)

Inner regional (n = 1943) n (%)

Other (n = 1132) n (%)

AOR

p-value

Inner regional (n = 251) n (%)

Other (n = 383) n (%)

AOR

p-value

Demographic factors

          

Age in years

18-44

118 (4.3)

33 (4.2)

25 (5.2)

.

.

9 (15)

9 (12)

.

.

45-64

63 (4.1)

28 (4.2)

23 (6.4)

1.1

0.560

10 (7.4)

15 (7.3)

0.58

0.103

65-85

12 (1.1)

10 (2.0)

5 (1.7)

0.42

<0.001

1 (1.8)

3 (3.0)

0.21

0.007

Gender

Male

65 (2.7)

24 (2.7)

17 (3.3)

.

.

10 (9.7)

7 (4.8)

.

.

Female

128 (4.3)

47 (4.5)

36 (5.8)

1.4

0.003

10 (6.8)

20 (8.5)

1.1

0.759

Marital status

Not married

154 (5.3)

56 (5.9)

40 (6.6)

.

.

13 (14)

19 (14)

.

.

Currently married

39 (1.6)

15 (1.5)

13 (2.5)

0.36

<0.001

7 (4.4)

8 (3.3)

0.29

<0.001

Education

No university degree

129 (4.0)

54 (3.8)

44 (5.0)

.

.

15 (8.1)

21 (6.6)

.

.

University or higher degree

64 (3.0)

17 (3.2)

9 (3.5)

0.69

0.004

5 (7.6)

6 (9.2)

1.0

0.956

Employment status

Employed

119 (3.4)

31 (2.7)

26 (3.9)

.

.

5 (4.0)

13 (6.3)

.

.

Not in Workforce

61 (3.4)

37 (4.9)

25 (5.9)

1.5

0.004

11 (9.5)

13 (8.1)

3.0

0.002

Unemployed

13 (11)

3 (9.1)

2 (5.6)

2.3

0.002

4 (44)

1 (10)

5.0

0.009

Financial adversity

Low

116 (2.5)

44 (2.6)

30 (3.2)

.

.

5 (3.5)

10 (4.5)

.

.

Moderate

49 (8.0)

16 (7.1)

18 (12)

1.9

<0.001

8 (17)

8 (11)

3.0

0.005

High

28 (24)

11 (21)

5 (19)

4.3

<0.001

4 (22)

5 (19)

2.9

0.036

Physical health

          

Smoking

No

104 (2.4)

37 (2.5)

22 (2.6)

.

.

11 (6.3)

13 (5.0)

.

.

Yes

89 (8.0)

34 (7.7)

31 (11)

2.7

<0.001

7 (19)

9 (15)

2.1

0.051

Number of chronic diseases

0

127 (3.4)

46 (3.9)

34 (4.8)

.

.

14 (9.9)

19 (8.8)

.

.

1

48 (4.0)

17 (3.2)

12 (4.1)

1.3

0.294

4 (4.6)

5 (4.1)

0.60

0.218

> = 2

18 (3.7)

8 (3.4)

7 (5.5)

1.3

0.160

2 (8.7)

3 (6.5)

1.5

0.502

Mental health

          

Psychological distress (K10)

Low

62 (1.6)

23 (1.7)

16 (1.9)

.

.

4 (5.7)

3 (2.5)

.

.

 

Moderate

71 (5.8)

28 (6.3)

24 (9.6)

3.7

<0.001

6 (4.7)

12 (6.3)

1.3

0.527

High

60 (18)

20 (17)

13 (23)

12

<0.001

10 (19)

12 (16)

4.7

<0.001

Any affective disorder

No lifetime diagnosis

72 (1.6)

27 (1.6)

23 (2.4)

.

.

6 (3.2)

11 (3.6)

.

.

Lifetime diagnosis with 12 month symptoms

56 (17)

20 (18)

14 (21)

5.1

<0.001

11 (28)

10 (26)

6.7

<0.001

Lifetime diagnosis with no 12 month symptoms

65 (13)

24 (14)

16 (15)

6.4

<0.001

3 (12)

6 (15)

4.0

0.002

Any anxiety disorder

No lifetime diagnosis

53 (1.3)

18 (1.3)

13 (1.6)

.

.

2 (1.5)

7 (3.0)

.

.

Lifetime diagnosis with 12 month symptoms

96 (13)

39 (15)

30 (19)

6.0

<0.001

15 (19)

14 (16)

6.0

<0.001

Lifetime diagnosis with no 12 month symptoms

44 (6.7)

14 (5.5)

10 (6.8)

3.8

<0.001

3 (8.1)

6 (9.5)

3.6

0.010

Any substance use disorders

No lifetime diagnosis

81 (1.9)

35 (2.4)

23 (2.9)

.

.

8 (4.1)

13 (4.6)

.

.

Lifetime diagnosis with 12 month symptoms

35 (14)

11 (14)

7 (13)

5.2

<0.001

3 (38)

3 (27)

6.1

0.003

Lifetime diagnosis with no 12 month symptoms

77 (7.9)

25 (6.1)

23 (8.1)

3.7

<0.001

9 (18)

11 (13)

3.1

0.001

Any lifetime psychiatric disorder

No

12 (0.5)

5 (0.6)

5 (1.0)

.

.

1 (1.1)

 

.

.

Yes

181 (6.6)

66 (6.2)

48 (7.7)

7.7

<0.001

19 (12)

27 (11)

19

0.004

Any 12 month psychiatric disorder

No

67 (1.6)

26 (1.7)

17 (1.9)

.

.

3 (2.0)

7 (2.9)

.

.

Yes

126 (10)

45 (10)

36 (14)

3.5

<0.001

17 (17)

20 (14)

5.0

<0.001

Two or more psychiatric disorders

No

39 (1.0)

12 (0.8)

8 (1.0)

.

.

2 (1.4)

7 (2.9)

.

.

Yes

154 (11)

59 (11)

45 (14)

8.1

<0.001

18 (17)

20 (14)

5.3

<0.001

Health service use in past 12 months

          

Any professional mental health service use

No

77 (1.7)

23 (1.4)

21 (2.1)

.

.

8 (4.4)

14 (5.0)

.

.

Yes

116 (14)

48 (18)

32 (23)

6.5

<0.001

12 (17)

13 (13)

2.5

0.007

Consulted a mental health professional and did not get as much help/info as needed

No, needs met

46 (13)

21 (20)

12 (23)

.

.

6 (13)

7 (9.7)

.

.

Yes, unmet need

23 (27)

4 (24)

3 (25)

1.4

0.230

8 (31)

8 (22)

2.1

0.086

  1. NSMHWB: National Survey Mental Health and Well-being (aged 18–85); ARMHS: Australian Rural Mental Health Study.
  2. #Bracketed values refer to the percentage of each predictor (or exposure) variable sub-category reporting lifetime suicide attempt; see Additional file 1: Table S1 for cell sizes.
  3. Note: Each predictor variable was included in a separate logistic regression, controlling for age, gender, and K10 psychological distress score (as appropriate); AOR: Adjusted Odds Ratio - adjusted for the covariates; bolded p-values are statistically significant (against Bonferroni-adjusted thresholds); see Additional file 5: Table S5a and Additional file 5: Table S5b for AOR Confidence Intervals and (non-significant) Predictor variable x Region interactions.
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