Table 2.
Comparison of characteristics of persons with daily use of digital devices vs nondaily use at baseline (Q5, 2004) in the Swedish Adoption/Twin Study of Aging (SATSA).
| Variable | Less than daily digital use at Q5 | Daily digital use at Q5 | Test of group differences | P value |
| Participants, n | 550 | 203 | —a | — |
| Female (sex), n (%) | 360 (65.51) | 92 (45.37) | 25.57 (1)b | <.001 |
| Live alone, n (%) | 211 (38.37) | 49 (23.95) | 11.01 (1)b | <.001 |
| Age (years), mean (SD) | 72.72 (10.00) | 60.81 (8.34) | 15.13 (751)c | <.001 |
| ISCEDd, mean (SD) | 1.99 (1.43) | 3.20 (1.86) | 9.45 (751)c | <.001 |
| SRHe, mean (SD) | 2.45 (0.59) | 2.71 (0.50) | 5.65 (751)c | <.001 |
| CES-Df, mean (SD) | 35.97 (6.74) | 34.55 (6.77) | 2.57 (751)c | .01 |
| Openness, mean (SD) | 17.53 (4.25) | 19.55 (3.73) | 5.92 (751)c | <.001 |
| Extraversion, mean (SD) | 4.98 (2.25) | 5.81 (2.13) | 4.58 (751)c | <.001 |
| Social support, mean (SD) | 10.95 (2.17) | 10.75 (2.47) | 1.10 (751)c | .27 |
| Loneliness, mean (SD) | 3.39 (1.38) | 2.83 (1.05) | 5.24 (751)c | <.001 |
aNot applicable.
bChi-square (df) value.
ct test (df) value.
dISCED: International Standard Classification of Education.
eSRH: self-rated health.
fCES-D: Center for Epidemiological Studies Depression scale.