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Table 1 Characteristics of included studies

From: Current and former smokers among adolescents aged 12–17 years in Iran: a systematic review and meta-analysis

First author

Year

City

Mean age ± SD

Sample size

No.boy

No. girl

Tools

Geographical area

Where adolescents live (urban, rural)

Ayatollahi

2004

Shiraz

16 ± 0.77

1132

1132

0

SRQ

East

Urban

Kelishadi

2004

Isfahan

NA

1950

946

1004

SRQ

Central

Both

Mojahed

2004

Zahedan

15.9 ± 1

475

216

259

SRQ

Central

Urban

Najafi

2005

Rasht

NA

1474

751

723

SRQ

Central

Urban

Vafaei

2005

Tabriz

NA

1000

NA

NA

SRQ

West

Urban

Heydari

2007

Tehran

16.7

1093

712

381

GYTS

West

Urban

Najafi

2007

Guilan

NA

1927

1041

886

SRQ

North

Urban

Barikani

2008

Tehran

14.8 ± 1.4

700

374

326

SRQ

Central

Urban

Namakin

2008

Birjand

16.3 ± 1.3

1233

1233

0

SRQ

Central

Urban

Ziaaddini

2008

Kerman

NA

860

346

514

SRQ

East

Urban

Mohtasham Amiri

2009

Rasht

16.2 ± 0.9

1400

1400

0

SRQ

North

Urban

Charkazi

2010

Zahedan

15.9 ± 7

380

NA

NA

SRQ

Central

Urban

Emami

2010

Tehran

17.53 ± 0.59

4566

2069

2497

SRQ

North

Urban

Gharlipour Gharghani

2010

Shiraz

NA

244

244

0

SRQ

Central

Urban

Grarmaroudi

2010

Tehran

16

2400

1200

1200

SRQ

North

Urban

Moeini

2010

Malayer

NA

900

900

0

SRQ

West

Urban

Mohammadpoorasl

2010

Tabriz

16.28 ± 0.87

1785

NA

NA

SRQ

West

Urban

Pasharavesh

2010

Kermanshah

16.36 ± 1.17

3150

0

3150

GYTS

West

Urban

Rahmanian

2010

Jahrom

NA

1145

697

448

SRQ

South

Both

Ramezankhani

2010

Tehran

14.69 ± 2.09

4523

2272

2251

SRQ

Central

Urban

Alaee

2011

Karaj

16.5 ± 1.299

447

208

239

GYTS

Central

Urban

Hamidzade Arbaby

2011

Khalkhal

NA

260

260

0

SRQ

West

Urban

Ghavidel

2012

Nazarabad

17

400

204

196

SRQ

North

Urban

Mohammadkhani

2012

10 provinces

NA

2538

1283

1255

SRQ

NA

Urban

Heydari

2013

Tehran

NA

1271

1271

0

SRQ

Central

Urban

Javadzade

2013

Isfahan

17.72 ± 0.62

382

382

0

SRQ

Central

Urban

Karimi

2013

Zarandieh

16.21 ± 1.45

250

250

0

SRQ

East

Urban

Nazarzadeh

2013

Zanjan

17.2 ± 1.3

352

352

0

SRQ

East

Urban

Barati

2014

Hamadan

16.42 ± 0.89

810

810

0

SRQ

West

Urban

Bidel

2014

Ilam

16.2 ± 0.5

1000

1000

0

SRQ

West

Urban

Esmaielzadeh

2014

Qazvin

NA

510

271

239

SRQ

West

Urban

Khajehdaluee

2014

Sarakhs

NA

943

507

436

SRQ

West

Both

Miri

2014

Birjand

17.024 ± 0.89

2371

2371

0

SRQ

East

Urban

Mohammadi

2014

Babolsar

15.3 ± 0.5

450

450

0

SRQ

North

Both

Pirdehghan

2014

Yazd

16.02 ± 0.9

460

273

187

GYTS

East

Urban

Chaman

2015

Shahroud

16.5 ± 1.1

450

450

0

SRQ

East

Urban

Madani

2015

Bandar Abbas

16 ± 1.34

2029

1009

1020

SRQ

South

Urban

Meysamie

2015

Tehran

16.21

2877

1557

1320

SRQ

Central

Urban

Rashid

2015

Tehran

16.5

1022

511

511

SRQ

Central

Urban

Kelishadi

2016

30 provinces

12.47 ± 3.36

13,486

6846

6640

GSHS

NA

Both

Khoramdad

2016

Shiraz

17

750

569

181

SQR

Central

Urban

Fakharri

2017

Tabriz

NA

1000

460

540

MCMI-III

West

Urban

Karimi

2017

Shiraz

16.11 ± 1.16

842

842

0

SRQ

Central

Urban

Mohamadzadeh

2017

Ilam

NA

372

199

173

SRQ

West

Urban

Mohammadi

2017

Marivan

16.2 ± 0.25

470

470

0

SRQ

West

Urban

Ataeiasl

2018

Tabriz

15.48 ± 0.50

1133

567

566

SRQ

West

Urban

Farshidi

2018

Bandar Abbas

16.4 ± 1.1

422

422

0

SRQ

South

Urban

Jamshidi

2018

Ahvaz

16.56 ± 15.02

899

450

449

SRQ

South

Urban

Ansari

2019

Zahedan

NA

1094

613

481

SRQ

East

Urban

  1. Global youth tobacco survey (GYTS), Self-report questionnaire (SRQ), Global School-based Student Health Survey (GSHS), Millon Clinical Multiaxial Inventory (MCMI-III), Not available (NA)