Physical Therapy Korea
pISSN 1225-8962
eISSN 2287-982X
Physical Therapy Korea
General characteristics of participants
| Variable | Total (N = 326) | Addiction (n = 166) | Non-addiction (n = 160) | χ2 | p-value |
|---|---|---|---|---|---|
| Sex | 1.706 | 0.300 | |||
| Male | 146 (44.79) | 79 (54.11) | 67 (45.89) | 0.986 | 0.321 |
| Female | 180 (55.21) | 87 (48.33) | 93 (51.67) | 0.200 | 0.655 |
| Age (y) | 17.046 | 0.001 |
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| 20–30s | 144 (44.17) | 86 (59.72) | 58 (40.28) | 5.444 | 0.020 |
| 30–40s | 72 (22.09) | 39 (54.17) | 33 (45.83) | 0.500 | 0.480 |
| 40–50s | 49 (15.03) | 13 (26.53) | 36 (73.47) | 10.796 | 0.001 |
| Over 50s | 61 (18.71) | 28 (45.90) | 33 (54.10) | 0.410 | 0.522 |
| Occupation | 9.381 | 0.052 | |||
| Student | 103 (31.60) | 51 (49.51) | 52 (50.49) | 0.010 | 0.922 |
| Office worker | 158 (48.47) | 85 (53.80) | 73 (46.20) | 0.911 | 0.340 |
| Freelancer | 22 (6.75) | 10 (45.45) | 12 (54.55) | 0.182 | 0.670 |
| Housewife | 34 (10.43) | 12 (35.29) | 22 (64.71) | 2.941 | 0.086 |
| Unemployed | 9 (2.75) | 8 (88.89) | 1 (11.11) | 5.444 | 0.020 |
| Hours of smartphone use (h) | 31.708 | 0.001 |
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| Less than 1 | 2 (0.61) | 0 (0) | 2 (100) | NA | NA |
| 1–4 | 136 (41.72) | 49 (36.03) | 87 (63.97) | 10.618 | 0.001 |
| 4–7 | 136 (41.72) | 76 (55.88) | 60 (44.12) | 1.882 | 0.170 |
| 7–10 | 52 (16.95) | 41 (78.85) | 11 (21.15) | 17.308 | > 0.99 |
Values are presented as number (%). NA, not available. *p < 0.05, **p < 0.01, ***p < 0.001.