Psychoactive substances use and associated factors among middle and high school students in the North Center of Morocco: a cross-sectional questionnaire survey.

Univariate analyses revealed that all of the previously stated factors exhibited highly significant statistical associations ( P < 0 .002), with odd ratios ranging from 1.9 (95 % CI: 1.3–3.0) for friends who smoke to 46.6 (95 % CI: 33.4– 65.2) for smoking tobacco status.

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