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Table 1 Demographic characteristics of the study population

From: Investigating the sequential patterns of methamphetamine use initiation in Iran

Characteristics

Number (n = 302)

Percent

Gender

Male

286

94.7%

Female

16

5.3%

Age (years)

18–40

187

61.7%

Over 40

115

38.3%

Marital status

Single

95

31.5%

Married

140

46.3%

Divorced

60

19.9%

Widow

7

2.3%

Employment

Unemployed

75

24.8%

Employed

227

75.2%

Self-employed

183

60.6%

Employee

37

12.2%

Retired

5

1.7%

Student

2

0.7%

Educationa

Elementary education

55

18.2%

Secondary education

217

71.9%

Higher education

30

9.9%

Monthly income (Tomans)

Low (<  500,000)

148

49%

Middle (500,000-2,000,000)

130

43.1%

High (> 2,000,000)

24

7.9%

Age of onset (years) of substance use

Early (<  15)

139

46%

Late (> 15)

163

54%

History of hospitalization

No

185

61.3%

Yes; previous psychiatric hospitalization

117

38.7%

Substance use in the family

No

69

22.8%

Yes

233

77.2%

One member

98

32.4%

Two members

59

19.5%

Three members

34

11.3%

Four members

18

6%

Five members

12

4%

Six members

5

1.7%

Seven members

7

2.3%

Type of substance use in the family members

Stimulant substancesb

47

15.6%

Non-stimulant substances

255

84.4%

Type of substance use in the last yearc

Tobacco group

290

96%

Heroin group

216

71.5%

Opium group

150

49.7%

Cannabis group

119

39.4%

Alcohol group

97

32.1%

Cocaine group

16

5.3%

Ritalin group

3

1%

  1. aElementary education including illiterate and elementary education; Secondary education including high school education; and Higher education including diploma and higher education
  2. bStimulant substances including Ritalin, amphetamines and cocaine
  3. cThe tobacco group, including hookah and cigarettes; the heroin group, including heroin and crack; the opium group, including opium and opium sap; the cannabis group, including marijuana and cannabis; the alcohol group, only including alcohol; the cocaine group, only including cocaine; and the Ritalin group, only including Ritalin (methylphenidate)