Table 2.
Estimated IGD prevalence in different participant demographic groups.
| Characteristics | Non-gamers N (%) | Low risk gamers N (%) | High risk gamers N (%) | Z/G | P-value |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 1,041 (19.7) | 4,028 (76.0) | 228 (4.3) | −15.136 | 0.001 |
| Female | 1,650 (31.8) | 3,426 (66.1) | 106 (2.0) | ||
| Age, year | |||||
| 9–12 | 1,062 (27.6) | 2,693 (69.9) | 97 (2.5) | 0.068 | 0.000 |
| 13–15 | 1,390 (24.5) | 4,084 (71.9) | 205 (3.6) | ||
| 16–18 | 239 (25.2) | 677 (71.4) | 32 (3.4) | ||
| Family structure | |||||
| Single-parent families and others | 397 (25.8) | 1,080 (70.3) | 60 (3.9) | −0.361 | 0.718 |
| Two-parent family | 2,294 (25.7) | 6,374 (71.3) | 274 (3.1) | ||
| Only child | |||||
| Yes | 1,057 (25.3) | 2,970 (71.2) | 143 (3.4) | −0.916 | 0.360 |
| No | 1,634 (25.9) | 4,484 (71.1) | 191 (3.0) | ||
| Education level of father | |||||
| Junior school or below | 908 (24.7) | 2,652 (72.1) | 119 (3.2) | −0.029 | 0.068 |
| Senior schools | 529 (26.1) | 1,438 (70.9) | 62 (3.1) | ||
| Vocational schools | 708 (25.4) | 1,993 (71.6) | 83 (3.0) | ||
| Bachelor or above | 546 (27.5) | 1,371 (69.0) | 70 (3.5) | ||
| Education level of mother | |||||
| Junior school or below | 978 (24.9) | 2,845 (72.5) | 103 (2.6) | −0.024 | 0.128 |
| Senior schools | 477 (25.8) | 1,310 (71.0) | 59 (3.2) | ||
| Vocational schools | 648 (24.4) | 1,898 (71.5) | 110 (4.1) | ||
| Bachelor or above | 588 (28.7) | 1,401 (68.3) | 62 (3.0) | ||
| Monthly family income | |||||
| 8,000 above | 785 (26.4) | 2,074 (69.8) | 113 (3.8) | −0.019 | 0.211 |
| 6,000–8,000 | 712 (26.7) | 1,888 (70.7) | 71 (2.7) | ||
| 4,000–6,000 | 674 (24.6) | 1,974 (72.1) | 88 (3.2) | ||
| 2,000–4,000 | 434 (24.4) | 1,289 (72.5) | 55 (3.1) | ||
| 2,000 below | 86 (26.7) | 229 (71.1) | 7 (2.2) | ||