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Skip search results from other journals and go to results- 8 Journal of Medical Internet Research
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The criterion for statistical significance was P
Participants were predominantly male (263/367, 71.6%). The mean age was 27.9 years old (SD 7.5 years). No significant differences in age (P=.15) or the highest level of education (P=.36) between individuals with and without attention deficit/hyperactivity disorder were detected. The largest percentage of participants were from Switzerland (140/367, 38.1%), followed by Austria (134/367; 36.5%) and Germany (91/367, 24.7%).
J Med Internet Res 2022;24(4):e30138
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Attrition at 6-month follow-up was significantly associated with use of the program (t423.14=25.3; P
The intervention was designed with, and initiated by, the open-source behavioral intervention platform Mobile Coach [38,39]. The original study protocol was approved by the ethics committee of the Faculty of Arts and Sciences at the University of Zurich, Switzerland (approval number 18.6.5; date of approval: June 21, 2018).
J Med Internet Res 2022;24(1):e28638
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However, completers had significantly lower anxiety levels on the BAI (median 33) compared with noncompleters (median 44.50, U=80.5, z=–2.27, P=.02). For a complete overview of baseline differences, see Multimedia Appendix 1.
Considering changes in diagnostic status at postassessment, of the individuals who completed the diagnostic interview, 46% (18/39) still had at least one anxiety disorder while 54% (21/39) no longer were diagnosed as having any anxiety disorder.
J Med Internet Res 2020;22(9):e16450
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To achieve a power of 0.80 with an alpha P
Participants were screened with the 10-item AUDIT, which has been validated in Australia [18] and elsewhere. Scores range from 0-40 (0-7=low risk, 8-19=hazardous or harmful alcohol use, 20-40=probable dependence), and outcomes were assessed as change in the scores for the first three items (termed the AUDIT–C). Prior research has shown that the AUDIT–C can predict clinical outcomes at 12 months [26].
J Med Internet Res 2019;21(9):e14967
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The intervention will be adapted from a new online integrated treatment developed by collaborators Schaub et al at the Swiss Research Institute for Public Health and Addiction [27] called Take Care of You; this intervention is in German and Dutch, and it is the first online integrated treatment for alcohol misuse and depression in young adults.
JMIR Res Protoc 2018;7(11):e11298
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On the basis of a small estimated effect size of f= 0.10 (equivalent an effect size of d=0.2) at 6 months, with a correlation between repeated measures of r=0.5, we will require 60 people per group for the main analysis based on power of 0.80 and alpha set to P
All measures will be assessed at each time point except the AUDIT (baseline only) and adverse events [47] (baseline and the final time point; see Table 1). The primary outcome will be change in AUDIT-consumption (AUDIT-C) scores.
JMIR Res Protoc 2018;7(5):e148
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Secondary outcomes of interest will include the quantity of cannabis used in the previous week, in standardized cannabis joints (as indicated in the consumption diary as well, as per Schaub et al [10]). Participants can choose between three different cannabis forms presented in photographs and in the second step between five different standard joints for each category (1/10 g, 1/6 g, 1/4 g, 1/3 g, and 1/2 g content pictures). These joints are either pure cannabis or cannabis mixed with tobacco.
JMIR Res Protoc 2018;7(1):e30
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As suggested by Hosmer et al [32], variable selection consisted of the following steps: (1) significant predictors (P.05 were removed, one at a time, starting with those with the highest P values (backward selection); and (3) to account for suppressor effects, the resulting model was verified by adding the aforementioned excluded variables, separately, to the regression model.
J Med Internet Res 2017;19(11):e356
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Baseline equivalence and lack of attrition bias were assumed for tests with P>.10.
We used generalized estimating equation (GEE) analyses to investigate the longitudinal course of the outcome criteria over the study period of 6 months. GEE is a repeated-measures regression model that takes into account the correlation of repeated measures within each subject [32].
JMIR Mhealth Uhealth 2017;5(10):e143
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0.16, P=.87, d=-0.14, 95% CI -0.43 to 0.14).
J Med Internet Res 2015;17(10):e232
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