Table 1.
Characteristics of the study participants.
| Characteristic | Total (N=13,457) | Desktop Ownership | Cellphone Ownership | |||||
| No (n=11,143) | Yes (n=2314) | P value | No (n=2764) | Yes (n=10,693) | P value | |||
| Age, mean (SD) | 58.7 (9.37) | 59.3 (9.43) | 55.6 (8.44) | <.001 | 64.8 (9.42) | 57.1 (8.68) | <.001 | |
| Male sex, n (%) | 6590 (49.0) | 5508 (49.4) | 1082 (46.8) | .02 | 1339 (48.4) | 5251 (49.1) | .53 | |
| Educational level, n (%) | <.001 | <.001 | ||||||
| Illiterate | 3340 (24.8) | 3106 (27.9) | 234 (10.1) | 1133 (41.0) | 2207 (20.6) | |||
| Part of primary school | 2462 (18.3) | 2208 (19.8) | 254 (11.0) | 562 (20.3) | 1900 (17.8) | |||
| Primary school | 2937 (21.8) | 2549 (22.9) | 388 (16.8) | 543 (19.7) | 2394 (22.4) | |||
| Middle school | 2924 (21.7) | 2251 (20.2) | 673 (29.1) | 344 (12.5) | 2580 (24.1) | |||
| High school or above | 1793 (13.3) | 1029 (9.2) | 764 (33.0) | 181 (6.6) | 1612 (15.1) | |||
| Marital status, n (%) | <.001 | <.001 | ||||||
| Married or Partnered | 11,863 (88.2) | 9717 (87.2) | 2146 (92.7) | 2227 (80.6) | 9636 (90.1) | |||
| Otherwise | 1594 (11.8) | 1426 (12.8) | 168 (7.3) | 537 (19.4) | 1057 (9.9) | |||
| Rural residence, mean (SD) | 0.59 (0.49) | 0.66 (0.47) | 0.26 (0.44) | <.001 | 0.66 (0.48) | 0.57 (0.49) | <.001 | |
| Smoke, n (%) | <.001 | .69 | ||||||
| Current | 4205 (31.3) | 3578 (32.1) | 627 (27.1) | 844 (30.5) | 3361 (31.4) | |||
| Former | 1237 (9.2) | 1035 (9.3) | 202 (8.7) | 276 (10.0) | 961 (9.0) | |||
| Never | 8013 (59.6) | 6528 (58.6) | 1485 (64.2) | 1643 (59.5) | 6370 (59.6) | |||
| Alcohol drinker, n (%) | <.001 | .01 | ||||||
| Current | 4492 (33.4) | 3684 (33.1) | 808 (34.9) | 856 (31.0) | 3636 (34.0) | |||
| Former | 1140 (8.5) | 987 (8.9) | 153 (6.6) | 262 (9.5) | 878 (8.2) | |||
| Never | 7821 (58.1) | 6468 (58.1) | 1353 (58.5) | 1646 (59.6) | 6175 (57.8) | |||
| Ever had high blood pressure, mean (SD) | 0.3 (0.44) | 0.3 (0.44) | 0.3 (0.44) | .87 | 0.3 (0.46) | 0.3 (0.44) | <.001 | |
| Ever had diabetes, mean (SD) | 0.1 (0.25) | 0.1 (0.24) | 0.1 (0.27) | .01 | 0.1 (0.25) | 0.1 (0.25) | .33 | |
| Ever had stroke, mean (SD) | 0.0 (0.16) | 0.0 (0.16) | 0.0 (0.15) | .26 | 0.0 (0.17) | 0.0 (0.15) | .02 | |