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Table 3 Perceived prevalence of drug use among 10th grade high school students based on school type (n = 609)a

From: “Students in public and private schools—which are at higher risk of drug use?”: a survey from Iran

Drug

Total

Public

Private

Pearson’ s Chi-Square

P-value

Cigarette

66.1%

63.7%

80.5%

3.96

0.04

Waterpipe

86.4%

86.8%

84.1%

0.22

0.65

Alcohol

8.2%

7.8%

10.7%

1.05

0.33

Opium

21.1%

22.9%

10.3%

2.03

0.18

Naas

28.4%

30.2%

18.4%

0.76

0.40

Marijuana

34.7%

33.6%

41.1%

0.38

0.55

Methamphetamine

10.1%

10.1%

10.0%

0.00

0.98

  1. a Percentages were adjusted for school cluster sampling