. Author manuscript; available in PMC: 2018 Jul 1.

Published in final edited form as: J Appl Dev Psychol. 2017 Mar 1;51:12–19. doi: 10.1016/j.appdev.2017.02.002

Table 1. Descriptive Statistics and Gender Comparisons of Study Variables.

	Full Sample		Girls		Boys		Gender Comparison

	M (SD)	N	M (SD)	n	M (SD)	n	t (df)
Technology-based SCFS
Time 1	1.71 (0.77)	690	1.82 (0.83)	385	1.57 (0.68)	305	4.35 (687.16)^***
Time 2	1.87 (0.87)	754	1.94 (0.89)	409	1.80 (0.84)	345	2.29 (752)^*
Time 3	1.90 (0.89)	701	1.98 (0.94)	381	1.82 (0.83)	320	2.34 (699)^*
Depressive Symptoms
Time 1	0.46 (0.50)	745	0.60 (0.54)	413	0.28 (0.37)	332	9.26 (724.47)^***
Time 2	0.49 (0.54)	764	0.63 (0.59)	415	0.32 (0.41)	349	8.76 (736.59)^***
Time 3	0.48 (0.51)	707	0.61 (0.55)	385	0.31 (0.40)	322	8.52 (690.50)^***
Frequency of Technology Use
Time 1	2.62 (1.67)	703	3.11 (1.64)	393	2.01 (1.52)	310	9.15 (701)^***
Time 2	2.43 (1.52)	754	2.85 (1.52)	409	1.94 (1.38)	345	8.53 (752)^***
Time 3	2.52 (1.39)	701	2.90 (1.39)	381	2.08 (1.25)	320	8.16 (695.58)^***

Note: SCFS = social comparison and feedback-seeking.

p < .05;

^**

p < .01;

^***

p < .001