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Table 5 Sub-group analyses based on gender and publication year for former smokers among Iranian adolescents

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

GenderTime Period (year)Prevalence Rate (95% CI)I2P-value
Male2000–200532% (7 to 68)99.32%0.61
2006–201021% (15 to 26)98.01%0.35
2011–201529% (23 to 36)98.62%0.24
2016–201917% (11 to 23)98.87%0.18
Female2000–200514% (12 to 17)0.16
2006–201011% (6 to 17)97.90%0.57
2011–201518% (11 to 24)98.43%0.48
2016–20197% (4 to 10)91.82%0.71
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