Table 1 Sample characteristics (n = 12,646) described using categorical variables
Characteristic | N (%) |
|---|---|
Female | 6306 (49.9) |
Male | 6340 (50.1) |
Number of chronic conditions | |
 0 | 902 (7.1) |
 1 | 1899 (15) |
 2 | 2199 (17.4) |
 3 | 2144 (17) |
 4 or more | 5457 (43.2) |
 NA | 45 (0.4) |
Income | |
  < 20 K | 811 (6.4) |
 20-50 K | 3915 (31) |
 50-100 K | 4534 (35.9) |
 100-150 K | 1505 (11.9) |
 150 K+ | 753 (6) |
 NA | 1128 (8.9) |
Education | |
 Less than secondary school | 1153 (9.1) |
 Secondary school | 1390 [11] |
 Some post-secondary | 1039 (8.2) |
 Post-secondary degree | 9026 (71.4) |
 NA | 38 (0.3) |
 Rural | 858 (6.8) |
 Urban | 11,601 (91.7) |
 NA | 187 (1.5) |
Marital status/Partner | |
 Single | 739 (5.8) |
 Married | 7875 (62.3) |
 Widowed | 2313 (18.3) |
 Divorced | 1483 (11.7) |
 Separated | 235 (1.9) |
 NA | 1 (0) |
Smoker | |
 Non-smoker | 6208 (49.1) |
 Smoker | 555 (4.4) |
 Former | 5786 (45.8) |
 NA | 97 (0.8) |
BMI | |
 Normal | 3534 (27.9) |
 Under | 106 (0.8) |
 Over | 5397 (42.7) |
 Obese I | 2499 (19.8) |
 Obese II | 744 (5.9) |
 Obese III | 305 (2.4) |
 NA | 61 (0.5) |
Depression | |
 No | 10,657 (84.3) |
 Yes | 1874 (14.8) |
 NA | 115 (0.9) |
Fatigue | |
 No | 11,174 (88.4) |
 Yes | 821 (6.5) |
 NA | 651 (5.1) |
Pain | |
 No | 7275 (57.5) |
 Yes | 4764 (37.7) |
 NA | 607 (4.8) |
Vision | |
 Good/Very Good/Excellent | 11,492 (90.9) |
 Poor/Fair | 1142 (9) |
 NA | 12 (0.1) |
Driving | |
 Not Driving | 988 (7.8) |
 Driving without situational avoidance | 2131 (16.9) |
 Driving with situational avoidance | 8932 (70.6) |
 NA | 595 (4.7) |