Table 2.
Generalized estimating equations analysis of the longitudinal associations of separate usage intensity variables with anxiety and depressive symptoms.
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Anxiety symptoms | Depressive symptoms | ||||
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β (SE) | 95% CI | P valuea | β (SE) | 95% CI | P value |
| Module completion | .12 (.13) | –.15 to .38 | .39 | .06 (.12) | –.18 to .30 | .65 |
| Face-to-face contact with mental health professional | .84 (.23) | .39 to 1.29 | <.001 | 1.12 (.34) | .45 to 1.79 | .001 |
| Diary completion | –.05 (.03) | –.10 to .003 | .07 | –.04 (.03) | –.09 to .02 | .19 |
aP values <.05 were considered to indicate significance and are shown in italics.