Table 4.

Positive associations between MML and risk of current marijuana use among adolescents in Michigan: Results from the individual level data analysis

Year	2007 as the turning year		2005 as the turning year
	Rotated	Original (SE)	Rotated	Original (SE)
Current use
1997	−0.0133	0.5402 (.0052)**	0.0537	0.4773 (.0051)**
1999	0.0080	0.4508 (.0053)**	0.0702	0.3879 (.0052)**
2001	0.0242	0.3563 (.0053)**	0.0816	0.2934 (.0052)**
2003	0.1253	0.3467 (.0052)**	0.1779	0.2838 (.0051)**
2005	−0.0478	0.0629 (.0054)**	Reference	Reference
2007	Reference	Reference	0.0043	−0.0629 (.0054)**
2009	0.2718**	0.1611 (.0054)**	0.3100**	0.0982 (.0053)**
2011	0.2240**	0.0026 (.0054)**	0.2574**	−0.0603 (.0053)**
2013	0.2893**	−0.0428 (.0057)**	0.3179**	−0.1057 (.0056)**
Never-used
1997	0.0028	−0.5007 (.0045)**	−0.0423	−0.3975 (.0044)**
1999	−0.0399	−0.4427 (.0045)**	−0.0731	−0.3395 (.0044)**
2001	−0.0489	−0.3510 (.0045)**	−0.0702	−0.2478 (.0044)**
2003	−0.1488	−0.3502 (.0044)**	−0.1582	−0.2470 (.0043)**
2005	−0.0025	−0.1032 (.0044)**	Reference	Reference
2007	Reference	Reference	−0.0057	0.1032 (.0044)**
2009	−0.1208**	−0.0201 (.0045)**	−0.0945**	0.0831 (.0045)**
2011	−0.0899**	0.1115 (.0045)**	−0.0517**	0.2147 (.0044)**
2013	−0.1462**	0.1559 (.0047)**	−0.0961**	0.2591 (.0046)**

Note: Age, sex and race were included as covariates to account for their variations in the study sample across years. The rotation of the estimated coefficients was made by setting the slope = 0 for a linear trend before 2007 and 2005 respectively.