Maartje Boer

CHAPTER 7 208 1 2 3 4 5 6 7 T M / % SD Min. Max. r r r r r r r 8 Female 1-4 45.9 0 1 -0.060 0.163*** -0.102* -0.169*** -0.150** -0.265*** 0.161** 0.079* 0.276*** -0.112** -0.148*** -0.022 -0.164*** 0.231*** 0.084* 0.213*** -0.032 -0.088* -0.073 -0.177*** 0.208*** 0.066 0.196*** -0.053 -0.047 -0.068 -0.117* 0.283*** 9 Pre-vocational education 1-4 57.8 0 1 0.322*** 0.237*** -0.082 -0.015 0.135** 0.221*** -0.097 0.150*** 0.171*** 0.010 -0.064 0.052 0.190*** -0.035 0.104** 0.164*** 0.012 -0.010 -0.026 0.076* -0.035 0.094* 0.099** -0.011 -0.096* -0.117** -0.011 -0.103** 10 Immigrant background 1-4 21.8 0 1 0.076 0.046 -0.022 -0.043 -0.077 -0.005 0.028 0.041 -0.024 0.102* 0.099** -0.106** -0.015 0.002 0.017 -0.034 <0.001 0.075 -0.066 0.048 -0.075 -0.019 -0.087 -0.159* <0.001 -0.040 -0.064 -0.252*** Notes. T = timepoint (i.e., wave); SMU = social media use; M = mean; SD = standard deviation; Min. = minimum; Max. = maximum; r = pairwise correlation. Means and standard deviations are based on complete data. *** p < 0.001, ** p < 0.01, * p < 0.05. Table 7.1 (Continued) Descriptive Statistics and Correlations of the Study Variables (n = 1,419)