Correction: Associations Between Digital Health Intervention Engagement, Physical Activity, and Sedentary Behavior: Systematic Review and Meta-analysis

In “Associations Between Digital Health Intervention Engagement, Physical Activity, and Sedentary Behavior: Systematic Review and Meta-analysis” (J Med Internet Res 2021;23(2):e23180) a character display error was noted in 3 tables.

The “gamma” symbol (γ) was not properly rendered in 5 places in the paper due to an XML conversion error.

In Table 4, row “Rebar et al,” column “Association”:

=0.51 (95% CI −1.77 to 2.72); P>.05

has been corrected to:

γ=0.51 (95% CI −1.77 to 2.72); P>.05

In Table 5, row “Rebar et al, Time,” column “Association”:

=2.33 (95% CI 0.09 to 4.64); P<.05

has been corrected to:

γ=2.33 (95% CI 0.09 to 4.64); P<.05

and:

=0.51 (95% CI −1.77 to 2.72); P>.05

has been corrected to:

γ=0.51 (95% CI −1.77 to 2.72); P>.05

In Table 5, row “Rebar et al, Logins,” column “Association”:

=3.18 (95% CI 1.15 to 5.07); P<.05

has been corrected to:

γ=3.18 (95% CI 1.15 to 5.07); P<.05

and:

=2.04 (95% CI 0.29 to 3.84); P<.05

has been corrected to:

γ=2.04 (95% CI 0.29 to 3.84); P<.05

The correction will appear in the online version of the paper on the JMIR Publications website on March 29, 2021, together with the publication of this correction notice. Because this was made after submission to PubMed, PubMed Central, and other full-text repositories, the corrected article has also been resubmitted to those repositories.