Table 1.
Associations between patient-related characteristics and adherence
| Variable | Adherent | Nonadherent | p |
|---|---|---|---|
| Gender, n (%) | |||
| Female | 308 (41.6) | 433 (58.4) | 0.291 |
| Male | 110 (37.9) | 180 (62.1) | |
| Age, n (%) | |||
| Low: 18–34 yrs | 54 (26.7) | 148 (73.3) | <0.00011 |
| (reference) Mid: 35–64 yrs | 319 (45.3) | 385 (54.7) | |
| High: ≥65 yrs | 45 (36.0) | 80 (64.0) | |
| Living status, n (%) | |||
| Married/cohabiting | 273 (43.1) | 360 (56.9) | 0.0311 |
| Other | 145 (36.4) | 253 (63.6) | |
| Number of children 0–18 yrs living at home, mean (SD)3 | 0.71 (1.08) | 0.78 (1.11) | 0.332 |
| Education, n (%) | |||
| Primary school | 131 (42.3) | 179 (57.7) | 0.921 |
| (reference) High school | 188 (41.2) | 268 (58.8) | |
| University | 86 (40.6) | 126 (59.4) | |
| Employment, n (%) | |||
| – yes | 297 (42.8) | 397 (57.2) | 0.0351 |
| – other | 121 (35.9) | 216 (64.1) | |
| Student, n (%) | |||
| – yes | 19 (29.7) | 45 (70.3) | 0.0681 |
| – other | 399 (41.3) | 568 (58.7) | |
| Unemployment, n (%) | |||
| – yes | 30 (34.1) | 58 (65.9) | 0.201 |
| – other | 388 (41.2) | 555 (58.8) | |
| Retired, n (%) | |||
| – yes | 46 (36.2) | 81 (63.8) | 0.291 |
| – other | 372 (41.2) | 532 (58.9) | |
| Early retirement, n (%) | |||
| – yes | 30 (44.1) | 38 (55.9) | 0.531 |
| – other | 388 (40.3) | 575 (59.7) | |
| Nicotine use, n (%) | |||
| – yes | 150 (37.2) | 253 (62.8) | 0.0821 |
| – no | 268 (42.7) | 360 (57.3) | |
| Neuroticism factor score*, mean (SD) | 69.4 (9.91) | 71.2 (10.9) | 0.00712 |
| Aggressiveness factor score*, mean (SD) | 20.4 (8.83) | 21.8 (9.91) | 0.0222 |
| Sensation seeking factor score*, mean (SD) | 48.2 (8.90) | 50.5 (8.75) | <0.00012 |
*
Notes: Each estimated factor score is computed as a linear combination of the unstandardized values of the variables that are factored;
1
Chi-square test;
2
t-test;
3
missing data for one adherent patient and 30 nonadherent patients.
Abbreviation: SD, standard deviation.