borderline significanceP =.073
The interaction between the number of hours spent on one’s own smartphone and schooling level resulted in significance for items 9 ( P =.003), 10 ( P =.044), 11 ( P =.019), and 18 ( P =.010), and showed statistically borderline significance for items 2 ( P =.073), 12 ( P =.057), and 17 ( P =.056).