Table 8.
Complex sample binary logistic regression estimating likelihood of perceived outcomes among secondary school students.
| Model | B 1 | SE 2 | χ2 3 | df 4 | p 5 | OR 6 | 95% CI 7 | Nagelkerke R2 | C.A. 10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| LL 8 | UL 9 | |||||||||
| Eye Discomfort | 0.03 | 57.1 | ||||||||
| Time Spent on Messaging | −0.13 | 0.04 | 9.33 | 1 | 0.002 | 0.88 | 0.80 | 0.97 | ||
| Time Spent on Browsing | 0.18 | 0.06 | 8.10 | 1 | 0.004 | 1.20 | 1.04 | 1.38 | ||
| Time Spent on Watching TV/movie | 0.09 | 0.03 | 6.27 | 1 | 0.01 | 1.09 | 1.01 | 1.18 | ||
| Time Spent on Leisure | 0.07 | 0.06 | 1.52 | 1 | 0.22 | 1.08 | 0.94 | 1.23 | ||
| Time Spent on Gaming | −0.01 | 0.05 | 0.02 | 1 | 0.89 | 0.99 | 0.88 | 1.12 | ||
| Musculoskeletal Discomfort | 0.11 | 64.0 | ||||||||
| Time Spent on Browsing | 0.31 | 0.09 | 12.75 | 1 | <0.001 | 1.36 | 1.12 | 1.64 | ||
| Time Spent on Watching TV/movie | 0.25 | 0.04 | 36.39 | 1 | <0.001 | 1.29 | 1.17 | 1.41 | ||
| Time Spent on Gaming | −0.19 | 0.06 | 11.37 | 1 | 0.001 | 0.83 | 0.73 | 0.94 | ||
| Overall Time Spent | 0.14 | 0.07 | 4.53 | 1 | 0.03 | 1.15 | 0.99 | 1.34 | ||
| Time Spent on Posting | −0.12 | 0.07 | 3.05 | 1 | 0.08 | 0.89 | 0.77 | 1.03 | ||
| Overall Frequency | 0.26 | 0.25 | 1.06 | 1 | 0.30 | 1.30 | 0.74 | 2.28 | ||
| Frequency of Browsing | −0.04 | 0.06 | 0.48 | 1 | 0.49 | 0.96 | 0.83 | 1.10 | ||
| Time Spent on Messaging | −0.04 | 0.08 | 0.26 | 1 | 0.61 | 0.96 | 0.80 | 1.15 | ||
| Frequency of Leisure | 0.02 | 0.09 | 0.06 | 1 | 0.80 | 1.02 | 0.83 | 1.26 | ||
| Frequency of Messaging | 0.02 | 0.09 | 0.05 | 1 | 0.82 | 1.02 | 0.83 | 1.26 | ||
| Time Spent on Study | −0.001 | 0.07 | 0.00 | 1 | 0.99 | 1.00 | 0.86 | 1.17 | ||
| Sleep Deprivation | 0.14 | 65.4 | ||||||||
| Age | 0.20 | 0.04 | 22.17 | 1 | <0.001 | 1.23 | 1.11 | 1.35 | ||
| Time Spent on Watching TV/movie | 0.25 | 0.06 | 19.70 | 1 | <0.001 | 1.28 | 1.13 | 1.46 | ||
| Frequency of Leisure | 0.26 | 0.11 | 5.25 | 1 | 0.02 | 1.29 | 1.01 | 1.66 | ||
| Overall Time Spent | 0.13 | 0.06 | 5.06 | 1 | 0.02 | 1.14 | 1.00 | 1.29 | ||
| Time Spent on Gaming | −0.09 | 0.06 | 2.60 | 1 | 0.11 | 0.91 | 0.80 | 1.04 | ||
| Time Spent on Posting | −0.12 | 0.08 | 2.24 | 1 | 0.13 | 0.89 | 0.75 | 1.06 | ||
| Time Spent on Messaging | −0.07 | 0.05 | 2.09 | 1 | 0.15 | 0.94 | 0.84 | 1.04 | ||
| Time Spent on Browsing | 0.11 | 0.09 | 1.34 | 1 | 0.25 | 1.12 | 0.91 | 1.37 | ||
| Frequency of Messaging | −0.01 | 0.06 | 0.02 | 1 | 0.89 | 0.99 | 0.88 | 1.12 | ||
| Frequency of Browsing | −0.002 | 0.03 | 0.01 | 1 | 0.94 | 1.00 | 0.93 | 1.07 | ||
| Overall Frequency | 0.01 | 0.14 | 0.001 | 1 | 0.97 | 1.01 | 0.73 | 1.38 | ||
| Family Conflict | 0.07 | 78.6 | ||||||||
| Time Spent on Watching TV/movie | 0.22 | 0.06 | 12.47 | 1 | <0.001 | 1.24 | 1.08 | 1.43 | ||
| Frequency of Leisure | 0.27 | 0.09 | 8.37 | 1 | 0.004 | 1.31 | 1.06 | 1.61 | ||
| Time Spent on Messaging | −0.16 | 0.06 | 7.35 | 1 | 0.01 | 0.85 | 0.75 | 0.97 | ||
| Time Spent on Browsing | 0.20 | 0.09 | 4.99 | 1 | 0.03 | 1.22 | 1.00 | 1.50 | ||
| Time Spent on Gaming | −0.09 | 0.05 | 2.79 | 1 | 0.10 | 0.91 | 0.81 | 1.03 | ||
| Frequency of Browsing | −0.05 | 0.05 | 1.18 | 1 | 0.28 | 0.95 | 0.85 | 1.06 | ||
| Time Spent on Posting | 0.08 | 0.10 | 0.74 | 1 | 0.39 | 1.09 | 0.88 | 1.34 | ||
| Time Spent on Leisure | 0.04 | 0.05 | 0.68 | 1 | 0.41 | 1.04 | 0.93 | 1.18 | ||
| Cyberbullying Victimization | 0.35 | 98.6 | ||||||||
| Time Spent on Posting | 0.89 | 0.44 | 4.07 | 1 | 0.04 | 2.43 | 0.91 | 6.48 | ||
| Time Spent on Gaming | 0.43 | 0.34 | 1.63 | 1 | 0.20 | 1.54 | 0.72 | 3.29 | ||
| Frequency of Watching TV/movie | 0.14 | 0.14 | 1.01 | 1 | 0.32 | 1.15 | 0.85 | 1.56 | ||
| Time Spent on Leisure | −0.17 | 0.25 | 0.47 | 1 | 0.49 | 0.84 | 0.48 | 1.48 | ||
| Time Spent on Messaging | −0.04 | 0.18 | 0.06 | 1 | 0.81 | 0.96 | 0.65 | 1.42 | ||
| Time Spent on Browsing | −0.01 | 0.28 | 0.002 | 1 | 0.96 | 0.99 | 0.53 | 1.84 | ||
1 Log-odds. 2 Standard error of B value. 3 Adjusted Wald chi-squared. 4 Degrees of freedom. 5 p-value adjusted with sequential Bonferroni method. 6 Odds ratio. 7 95% confidence interval. 8 Lower limit if 95% CI. 9 Upper limit of 95% CI. 10 Classification accuracy in percentage.