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. 2022 Aug 10;19(16):9847. doi: 10.3390/ijerph19169847

Table 2.

Bivariate correlations between retrospectively self-reported and objectively assessed daily minutes spent on SM among all participants and self-reported users overall and by sex.

Overall By Sex
R R Males R Females Z Sex Rdiff
Facebook 0.39 *** 0.43 *** 0.35 *** 0.81
Twitter 0.42 *** 0.51 *** 0.38 *** 1.39
Instagram 0.27 *** 0.44 *** 0.21 ** 2.22 **
Snapchat 0.32 *** 0.57 *** 0.32 *** 2.70 **
All SM 0.26 *** 0.54 *** 0.16 * 3.79 ***

Notes. Z Sex Rdiff refers to tests of the difference between the male and female specific correlation coefficients; * p < 0.05, ** p < 0.01, *** p < 0.001.