1. Background
2. Objectives
3. Materials and Methods
3.1. Study Design
3.2. Study Site and Sample Collection
3.3. Interview Team
3.4. Study Measures
3.5. Study Procedure
3.6. Data Analysis
4. Results
4.1. Participants in Each Study Site
| 22 Districts in Tehran | Participants (n) | ATS Dependence, (%) |
|---|---|---|
| District-1, Shemiranat | 307 | 2.6 |
| District-2, Azadi square | 457 | 4.5 |
| District-3, Pasdaran square | 221 | 2.2 |
| District-4, Tehran Pars square | 559 | 8.7 |
| District-5, Ashrafi-Esfahani | 505 | 3.0 |
| District-6, Enghelab Square | 250 | 5.7 |
| District-7, Nezam-Abad | 247 | 3.6 |
| District-8, Narmak | 298 | 11.7 |
| District-9, Mehrabad airport | 133 | 4.3 |
| District-10, Jemhoori | 179 | 2.5 |
| District-11, Qazvin square | 203 | 1.7 |
| District-12, Shoush square | 196 | 8.6 |
| District-13, Damavand | 236 | 3.2 |
| District-14, Khavaran | 372 | 3.3 |
| District-15, Afsariyeh | 354 | 3.2 |
| District-16, Bahman | 212 | 23.5 |
| District-17, Azari | 188 | 25.1 |
| District-18, Yaft-Abad | 227 | 5.8 |
| District-19, Khani-Abad | 176 | 6.3 |
| District-20, Shar-Rey square | 136 | 3.8 |
| District-21, Tehran-Sar | 260 | 3.0 |
| District-22, Narmak | 311 | 6.8 |
| 6,027 | 261 |
4.2. Demographic Characteristics
| Variables | Characteristics | Group 1 n = 5,766b | Group 2 n = 261c | P Value |
|---|---|---|---|---|
| Gender | Male | 5,000 (87) | 212 (81) | 0.148 |
| Female | 766 (13) | 49 (19) | 0.132 | |
| Mean age | Year | 32 ± 11 | 29 ± 9 | 0.05* |
| Age range | 18 - 24 | 628 (11) | 23 (9.0) | 0.134 |
| 25 - 34 | 3,232 (56) | 122 (47) | 0.176 | |
| 35 - 44 | 1,277 (22) | 96 (37) | 0.167 | |
| 45 and over | 629 (11) | 20 (7) | 0.195 | |
| Schooling | < 12 years | 2,950 (51) | 123 (47) | 0.189 |
| 12 years | 1,970 (34) | 108 (41) | 0.05* | |
| 12 - 16 years | 846 (15) | 30 (12) | 0.178 | |
| Marital status | Single | 1,800 (31) | 110 (42) | 0.05* |
| Married | 3,050 (53) | 121 (46) | 0.167 | |
| Other conditions such as widow | 916 (16) | 30 (12) | 0.257 | |
| Employment | Employed | 3,600 (62) | 141 (54) | 0.197 |
| Unemployed | 1,280 (22) | 86 (33) | 0.01* | |
| Home maker | 886 (16) | 34 (13) | 0.245 | |
| Living conditions | Own housing | 1,920 (33) | 74 (28) | 0.298 |
| Rented housing | 1,920 (33) | 118 (45) | 0.01* | |
| With family | 1,280 (22) | 42 (17) | 0.154 | |
| Homeless | 646 (12) | 27 (10) | 0.135 |
aValues are expressed as No. (%) or mean ± SD.
bGroup1: participants who did not report ATS use.
cGroup 2: participants who reported current ATS use.
4.3. Details of Amphetamine-Type Stimulants Use
| Variables | Characteristics | No. (%) |
|---|---|---|
| Mean age at first ATS use, y | 29 (SD 9) | |
| Current ATS use | Ecstasy | 98 (38) |
| Methamphetamine | 86 (33) | |
| Ritalin tablets | 64 (24) | |
| Other ATS | 13 (5.0) | |
| Current route of ATS administration | Smoking | 157 (60) |
| Ingestion | 97 (37) | |
| Sniffing | 4 (2.0) | |
| Injection | 3 (1.0) | |
| Lifetime ATS use | Ecstasy | 91 (35) |
| Ritalin tablets | 86(33) | |
| Methamphetamine | 71(27) | |
| Other ATS | 13 (5.0) | |
| The frequency of ATS use | per month | 18 (SD 8.0) |
| Life-time ATS use treatment | 90 (34.6) |