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. 2014 Aug 6;14:224. doi: 10.1186/s12888-014-0224-9

Table 2.

Unconditional growth model for the patterns of alcohol use

Parameter Unconditional growth model
Random effects
 Intercept 4.743*** (0.364)
 Linear slope 0.235*** (0.053)
Fixed effects
 Intercept 5.626*** (0.120)
 Linear time −0.630*** (0.123)
 Time x Time 0.112** (0.038)

Residual errors were allowed to vary over time and were significant (p <0.001) across all assessments. **p < 0.01; ***p < 0.001.