Table 3.
Results from covariate adjusted regression models of the relationship between levels of marijuana use and sleep disturbance measures with and without adjustment for levels of current symptoms of depressed and anxious mood.
|
PSQI
|
ISI
|
ESS
|
MEQ
|
|||||
|---|---|---|---|---|---|---|---|---|
| b (se) | b (se)a | b (se) | b (se) a |
b (se) | b (se) a | b (se) | b (se) a | |
| Marijuana Use Group | ||||||||
|
| ||||||||
| Daily Use | -- | -- | -- | -- | -- | -- | -- | -- |
| Non-Daily Use | −1.93* | −0.93 | −2.70* | −1.22 | 0.39 | 1.07 | 1.86 | 2.47 |
| (0.81) | (0.66) | (1.25) | (1.05) | (0.85) | (0.81) | (1.67) | (1.66) | |
| No Use | −1.94* | −0.74 | −3.67* | −2.02 | −0.84 | −0.14 | 1.45 | 1.82 |
| (0.91) | (0.75) | (1.40) | (1.17) | (0.96) | (0.91) | (1.87) | (1.89) | |
|
| ||||||||
| Mood Symptoms | ||||||||
|
| ||||||||
| Depression (PHQ) | 0.3 9* | 0.6 7* | 0.3 7* | 0.5 3* | ||||
| -- | (0.08) | -- | (0.13) | -- | (0.10) | -- | (0.21) | |
| Anxiety (GAD) | 0.20* | 0.10 | −0.06 | −0.43 | ||||
| -- | (0.11) | -- | (0.18) | -- | (0.14) | -- | (0.28) | |
Note: All models adjusted for gender and employment status.
*
= p < 0 .05;
a
= Model includes marijuana use group and mood symptom measures;
PSQI= Pittsburg Sleep Quality Index; ISI= Insomnia Severity Index ; ESS= Epworth Sleep Scale; MEQ= Morningness and Eveningness Questionnaire; PHQ= Physicians Health Questionnaire-Depression; GAD= Physicians Health Questionnaire-Generalized Anxiety.