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Table 3 Sub-group analyses based on gender and publication year for current smokers among Iranian adolescents

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

Gender

Time Period (year)

Prevalence (95% CI)

I2

P-value

Male

2000–2005

10% (2 to 19)

98.74%

0.38

2006–2010

10% (6 to 15)

98.73%

0.12

2011–2015

11% (8 to 15)

97.82%

0.72

2016–2019

19% (8 to 31)

99.53%

0.46

Female

2000–2005

5% (4 to 13)

98.6%

0.19

2006–2010

7% (4 to 11)

99.13%

0.52

2011–2015

5% (2 to 7)

94.73%

0.82

2016–2019

6% (3 to 8)

98.63%

0.28