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Table 4 Distribution of high risk behavior by characteristics of patients with SMDs in rural households of Sichuan province

From: Risk behavior in patients with severe mental disorders: a prospective study of 121,830 patients managed in rural households of western China

Characteristic

N1

N2

No of high risk behaviors

Follow-up person years

Incidence rate (%)

Gender

 1 = male

59,957

3737

9707

84,164.46

11.53

 2 = female

61,873

3067

7513

88,399.63

8.50

Age

 1 = 15 to 24

5932

275

783

7424.24

10.55

 2 = 25 to 44

45,022

2859

7232

63,412.73

11.40

 3 = 45 to 59

37,632

1952

4969

54,161.07

9.17

 4 = ≧60

33,244

1718

4236

47,566.04

8.91

Nationality

 1 = Han

120,428

6739

17,113

171,753.73

9.96

 2 = Minority

1402

65

107

810.36

13.20

Family history of mental illness

 0 = no

116,988

6472

16,376

165,982.10

9.87

 1 = yes

4842

332

844

6581.99

12.82

Marital status

 1 = married

73,619

3679

8988

105,017.25

8.56

 2 = unmarried

46,396

3033

8039

64,914.40

12.38

 3 = NK

1815

92

193

2632.44

7.33

Economic status

 1 = povertya

78,932

4867

12,883

113,025.02

11.40

 2 = non-poverty

17,134

694

1744

25,198.74

6.92

 3 = NK

25,764

1243

2593

34,340.33

7.55

Education degree

 1 = illiteracy/semiliterate

42,697

2404

6309

59,656.04

10.58

 2 = elementary education and above

74,325

4130

10,374

106,046.29

9.78

 3 = NK

4808

270

537

6861.77

7.83

Diagnosis type

 1 = schizophrenia

103,412

6055

15,362

149,703.01

10.26

 2 = schizoaffective disorder

1849

121

256

2143.59

11.94

 3 = delusional disorder

480

20

72

673.90

10.68

 4 = bipolar disorder

2995

168

415

3918.84

10.59

 5 = psychotic disorder due to epilepsy

4980

234

693

6561.95

10.56

 6 = mental retardation with mental disorders

8114

206

422

9562.81

4.41

Duration of illness

 1 = < 10 years

46,009

2305

5544

58,635.88

9.45

 2 = 10 to 19 years

36,468

2212

5689

54,715.99

10.40

 3 = 20 to 29 years

22,381

1333

3533

34,039.29

10.38

 4 = ≧30 years

16,972

954

2454

25,172.93

9.75

 Antipsychotic treatment

 0 = no

27,489

1549

4193

35,999.18

11.65

 1 = yes

94,341

5255

13,027

136,564.91

9.54

Participation in 686 project

 0 = no

14,522

1300

2613

22,780.70

11.47

 1 = yes

107,285

5504

14,607

149,752.54

9.75

 3 = NK

23

0

0

30.84

0.00

Follow-up time

 1 = < 2 years

84,477

3978

8787

83,345.00

10.54

 2 = 2 to 4 years

37,196

2817

8401

88,440.56

9.50

 3 = >4 years

157

9

32

778.53

4.11

  1. aPoverty refers to the economic status that is below the local poverty line by income level