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Table 3 Relationship between IHS and social functions

From: Survey of the effects of internet usage on the happiness of Japanese university students

Response variables Happiness (IHS)
Unstandardized Coefficients Standardized Coefficients t value P value
B SE β
Sex 1.503 0.356 0.113 4.226 < 0.001
PSQI global score −0.590 0.071 −0.227 −8.250 < 0.001
PIU (IAT) − 0115 0.015 −0.220 −7.844 < 0.001
Number of Twitter follows 0.002 0.001 0.100 3.755 < 0.001
Number of times skipping a whole day of school −0.994 0.324 −0.083 −3.068 < 0.01
R2 0.158
  1. B Beta, SE Standard error, PSQI The Pittsburgh Sleep Quality Index, PIU Problematic Internet use, IAT The Internet addiction test, R2 coefficient of determination. The predictor variables included sleep problems, PIU, Internet usage (weekday/weekend), number of Twitter follows/followers, number of school days skipped, number of times the subject arrived late for school, age, and sex