Table 1.
Proportion of impairment levels in daily activities due to the overuse of the internet, gaming, or smartphone according to age groups
| Age (Years) | Participants who used the Internet, gaming, or smartphones at least once before (N = 190,066) | |||
|---|---|---|---|---|
| No Impairment groupsa (n = 168,121) | Mild Impairment groupsb (n = 13,387) | Moderate-to-Severe Impairment groupsc (n = 8558) | χ2 Post Hoc2) | |
| Total | 168,121(84.89)1) | 13,387(9.30) | 8558(5.81) | 14,299.550*a > b > c |
| 19–29 | 14,951(62.68) | 5143(22.65) | 3436(14.67) | 6635.188*a > b > c |
| 30–39 | 22,779(77.83) | 3897(13.85) | 2306(8.32) | 17,114.821*a > b > c |
| 40–49 | 33,738(88.78) | 2623(7.35) | 1419(3.87) | 33,491.711*a > b > c |
| 50–59 | 38,859(95.07) | 1137(2.96) | 802(1.97) | 39,889.012*a > b > c |
| 60–69 | 30,894(96.81) | 446(1.62) | 430(1.57) | 27,631.206*a > b, c |
| 70–79 | 19,628(98.32) | 121(0.79) | 143(0.89) | 16,275.763*a > b, c |
| 80 or older | 7272(99.24) | 20(0.35) | 22(0.41) | 5023.811*a > b, c |
a: No Impairment groups / b: Mild Impairment groups / c: Moderate-to-Severe Impairment groups
1) The numbers in parentheses are the row percentages reflecting weight
2) The Bonferroni test was used for Post-hoc analysis
*p < .0001