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Table 3 Description of demographic characteristics of patients with schizophrenia (n = 413)

From: Investigating factors associated with the number of rehospitalizations among patients with schizophrenia disorder using penalized count regression models

Variable

Variable levels

Frequency (%)

Mean ± SDa

P-value§

Gender

Male

300 (72.60)

0.88 ± 1.71

0.028

Female

113 (27.40)

1.34 ± 2.33

Age (year)

 < 25

55 (13.32)

0.45 ± 0.95

 < 0.001

36.16 ± 11.18

25–34

154 (37.29)

0.90 ± 1.37

35–44

111 (26.87)

1.68 ± 3.31

 ≥ 45

93 (22.52)

1.62 ± 1.89

Birth season

Spring

130 (31.47)

1.11 ± 1.68

0.438

Summer

145 (35.11)

1.43 ± 2.38

Autumn

67 (16.22)

0.96 ± 2.80

Winter

71 (17.20)

1.20 ± 1.89

Birthplace township

Hamadan

119 (28.81)

1.02 ± 1.66

0.178

Other Hamadan province townships

210 (50.85)

1.41 ± 2.66

Out of Hamadan province

84 (20.34)

1.00 ± 1.30

Education status

Illiterate

36 (8.72)

1.42 ± 1.74

0.184

Under diploma

237 (57.38)

1.38 ± 2.53

Diploma

102 (24.70)

0.85 ± 1.35

Academic

38 (9.20)

0.97 ± 1.93

Marital status

Married

130 (31.48)

1.15 ± 1.59

0.924

Separated/Divorced/Widow

50 (12.11)

1.28 ± 1.94

Single

233 (56.41)

1.23 ± 2.50

Number of children

0

282 (68.28)

1.21 ± 2.39

0.023

1–2

74 (17.92)

0.77 ± 1.24

 ≥ 3

57 (13.80)

1.82 ± 1.93

Employment status

Employed

74 (17.92)

1.00 ± 1.92

0.165

Housewife

45 (10.89)

0.76 ± 1.30

Unemployed/Disabled/Retired

294 (71.19)

1.34 ± 2.33

Residence status

Urban

279 (67.55)

1.12 ± 2.05

0.204

Rural

134 (32.45)

1.41 ± 2.44

The township of residence

Hamadan

163 (39.47)

1.00 ± 1.61

0.077

Other Hamadan province townships

197 (47.70)

1.47 ± 2.67

Out of Hamadan province

53 (12.83)

0.92 ± 1.49

The population of residence (person)

 < 10,000

150 (36.32)

1.42 ± 2.53

0.495

10,000–99,000

75 (18.16)

1.07 ± 1.47

100,000–499,000

42 (10.17)

1.26 ± 3.23

 ≥ 500,000

146 (35.35)

1.06 ± 1.69

Living status

With parents

229 (55.45)

1.14 ± 2.20

0.598

With spouse

115 (27.84)

1.21 ± 1.61

With siblings/children/other people or alone

69 (16.71)

1.45 ± 2.86

Having homogeneous sibling

Yes

369 (89.35)

1.25 ± 2.27

0.368

No

44 (10.65)

0.93 ± 1.28

Number of siblings

0–1

43 (10.41)

1.26 ± 1.54

0.197

2–3

98 (23.73)

0.87 ± 1.44

 ≥ 4

272 (65.86)

1.33 ± 2.46

Having a history of emotional distress

Yes

286 (69.25)

1.31 ± 2.33

0.187

No

127 (30.75)

1.00 ± 1.79

Having a history of arrest or prison

Yes

43 (10.41)

1.37 ± 1.67

0.615

No

370 (89.59)

1.19 ± 2.24

Having a history of substance abuse

Yes

145 (35.11)

1.17 ± 1.74

0.746

No

268 (64.89)

1.24 ± 2.39

Having a history of smoking

Yes

211 (51.09)

1.37 ± 2.29

0.125

No

202 (48.91)

1.04 ± 2.06

  1. a For the number of rehospitalizations
  2. § Independent two-sample t-test or analysis of variance test