Table 1.
Demographic, health and visual characteristics of bilateral cataract patients by driver self-regulation status (n = 99)
| Characteristic |
Self-regulator |
P value | |
|---|---|---|---|
| Yes (n = 47) | No (n = 52) | ||
|
Sex: n (%) |
|
|
|
| Male |
22 (46.81%) |
28 (53.85%) |
|
| Female |
25 (53.19%) |
24 (46.15%) |
0.484 |
|
Age: mean (SD) |
71.40 (8.13) |
72.60 (7.67) |
0.455 |
|
Country of birth: n (%) |
|
|
|
| Australia |
22 (46.81%) |
24 (46.15%) |
|
| Not Australia |
25 (53.19%) |
28 (53.85%) |
0.948 |
|
Living situation: n (%) |
|
|
|
| Not alone |
30 (63.83%) |
32 (61.54%) |
|
| Alone |
17 (36.17%) |
20 (38.46%) |
0.814 |
|
Education: n (%) |
|
|
|
| Primary or secondary school |
34 (72.34%) |
38 (73.08%) |
|
| Higher education |
13 (27.66%) |
14 (26.92%) |
0.935 |
|
Cognition (MMSE score): mean (SD) |
27.43 (2.22) |
27.38 (2.78) |
0.931 |
|
Number of chronic conditions: mean (SD) |
3.36 (1.54) |
2.85 (1.59) |
0.105 |
|
Visual acuity (logMAR units): mean (SD) |
|
|
|
| Worse eye visual acuity a |
0.63 (0.35) |
0.56 (0.25) |
0.227 |
| Better eye visual acuity a |
0.30 (0.18) |
0.27 (0.13) |
0.332 |
| Bilateral visual acuity a |
0.25 (0.21) |
0.21 (0.13) |
0.204 |
|
Contrast sensitivity (log units): mean (SD) |
|
|
|
| Worse eye contrast sensitivity |
1.07 (0.48) |
1.27 (0.35) |
0.027* |
| Better eye contrast sensitivity |
1.47 (0.20) |
1.53 (0.16) |
0.107 |
| Bilateral contrast sensitivity |
1.53 (0.21) |
1.57 (0.17) |
0.332 |
|
Stereopsis a(log seconds of arc): mean (SD) |
2.34 (0.71) |
2.11 (0.49) |
0.068 |
| Depressive symptoms a(CES-D score): mean (SD) | 11.72 (9.50) | 6.29 (5.10) | 0.001* |
MMSE Mini Mental State Examination, CES-D Center for Epidemiologic Studies Depression Scale, logMAR logarithm of the minimum angle of resolution, SD standard deviation.
* significant at p < 0.05.
a Lower scores represent better scores.