Table 1.
Characteristics of participants (N=17,117) by internet use.
| Characteristics and variables | Internet use (n=2312), n (%) | Internet nonuse (n=14,805), n (%) | |||
| Gender; P<.001 | |||||
|
|
Men | 1287 (55.7) | 6902 (46.6) | ||
|
|
Women | 1025 (44.3) | 7903 (53.4) | ||
| Education level; P<.001 | |||||
|
|
No education | 40 (1.7) | 3579 (24.2) | ||
|
|
Primary school or lower | 561 (24.3) | 6907 (46.6) | ||
|
|
Middle school | 803 (34.7) | 3016 (20.4) | ||
|
|
High school or higher | 908 (39.3) | 1303 (8.8) | ||
| Nationality; P=.22 | |||||
|
|
Han | 2168 (93.8) | 13,780 (93.1) | ||
|
|
Ethnic minorities | 144 (6.2) | 1025 (6.9) | ||
| Work; P<.001 | |||||
|
|
Yes | 1600 (69.2) | 9598 (64.8) | ||
|
|
No/retired | 712 (30.8) | 5207 (35.2) | ||
| Age (years); P<.001 | |||||
|
|
45-54 | 1218 (52.7) | 3515 (23.8) | ||
|
|
55-64 | 787 (34.0) | 5094 (34.4) | ||
|
|
65-74 | 252 (10.9) | 4400 (29.7) | ||
|
|
≥75 | 55 (2.4) | 1796 (12.1) | ||
| Area; P<.001 | |||||
|
|
Urban | 967 (41.8) | 2434 (16.4) | ||
|
|
Rural | 1345 (58.2) | 12,371 (83.6) | ||
| Marital status; P<.001 | |||||
|
|
Married | 2146 (92.8) | 12,624 (85.3) | ||
|
|
Unmarried | 166 (7.2) | 2181 (14.7) | ||
| Health insurance; P=.005 | |||||
|
|
Yes | 2267 (98.1) | 14,357 (97.0) | ||
|
|
No | 45 (1.9) | 448 (3.0) | ||
| Smoking status; P=.009 | |||||
|
|
Yes | 684 (29.6) | 3993 (27.0) | ||
|
|
No | 1628 (70.4) | 10,812 (73.0) | ||
| Drinking status; P<.001 | |||||
|
|
Yes | 1191 (51.5) | 4741 (32.0) | ||
|
|
No | 1121 (48.5) | 10,064 (68.0) | ||
| Restless sleep times; P<.001 | |||||
|
|
Rare | 1159 (50.1) | 6674 (45.1) | ||
|
|
Some or a little | 469 (20.3) | 2334 (15.8) | ||
|
|
Occasionally | 319 (13.8) | 2316 (15.6) | ||
|
|
Mostly or all the time | 365 (15.8) | 3481 (23.5) | ||
| ADLa; P<.001 | |||||
|
|
Unimpaired | 2180 (94.3) | 11,923 (80.5) | ||
|
|
Impaired | 132 (5.7) | 2882 (19.5) | ||
aADL: activity of daily living.