Table 2: Means (standard deviations) for the narcissism (NPI), problematic internet use (PIUQ), and personal use (hours/day) for baseline and follow-up for the sample split into those who use and do not use visual and verbal forms of social media.

                               Visual                              Verbal
User Non-user t User Non-user t
Baseline NPI 13.07 (5.56) 12.67 (5.97) .45 13.25 (5.80) 11.84 (5.84) .91
Baseline PIUQ 21.19 (8.04) 24.29 (12.06) 1.18 21.73 (10.45) 27.47 (11.15) 2.03*
Baseline Use 2.92 (1.83) 3.29 (1.96) .79 2.96 (1.74) 3.76 (2.28) 1.54
Follow NPI 12.31 (5.96) 12.34 (6.17) .02 12.55 (5.75) 11.67 (7.05) .53
Follow PIUQ 20.93 (11.67) 23.27 (11.43) .83 21.13 (11.31) 26.26 (11.45) 1.71
Follow Use 2.19 (1.17) 3.29 (2.17) 2.39** 2.64 (1.83) 3.68 (2.08) 2.07*

*p < .05; ** p < .01

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