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Table 5 Relationship between drug sequences and family history of substance use

From: Investigating the sequential patterns of methamphetamine use initiation in Iran

Sequencing patterns

Family members with substance use

Family members with no substance use

chi-square

*P-value

OR

N (%)

N (%)

N (%)

C

13 (68.42)

6 (31.58)

0.92

0.24

1.14

D

17 (70.83)

7 (29.17)

0.75

0.26

1.109

E

14 (82.35)

3 (17.65)

0.22

0.45

0.94

F

19 (95)

1 (5)

3.81

0.03

0.8

  1. C (sequencing C): tobacco-opium-MA; D (sequencing D), tobacco-opium-heroin-MA; E (sequencing E): tobacco-alcohol-opium-heroin-MA; and F (sequencing F), tobacco-alcohol-cannabis-opium-heroin-MA.
  2. MA methamphetamine
  3. OR odds ratio
  4. * The chi-square test was used for the statistical differences