Table 1.
Background characteristics from earlier surveys and health registries of the persons who were invited to attend the FINGER study screening visit (mean (SD) or %).
| Characteristic | All Invited n = 5496 |
Screened n = 2654 |
Screening Visit Non-Attendees n = 2842 |
p-Value * | |
|---|---|---|---|---|---|
| Age at the beginning of the study (07.09.2009) | 68.1 (5.0) | 67.8 (4.8) | 68.3 (5.2) | 0.002 | |
| Sex (% men/women) | 50.3/49.7 | 48.8/51.2 | 51.7/48.3 | 0.037 | |
| Study site: | |||||
| Helsinki (n, %) | 743 | 389 (52.3%) | 354 (47.6%) | <0.001 | |
| Kuopio (n, %) | 1444 | 625 (43.3%) | 819 (56.7%) | ||
| Oulu (n, %) | 420 | 240 (57.1%) | 180 (42.9%) | ||
| Seinäjoki (n, %) | 587 | 326 (55.5%) | 261 (44.5%) | ||
| Turku (n, %) | 1400 | 656 (46.9%) | 744 (53.1%) | ||
| Vantaa (n, %) | 902 | 418 (46.3%) | 484 (53.7%) | ||
| Demographic and vascular risk factors from the earlier non-intervention survey | |||||
| Time between earlier survey and invitation (years) | 14.3 (10.0) | 12.6 (9.7) | 15.9 (10.1) | <0.001 | |
| Education (years) | 10.4 (3.6) | 10.7 (3.8) | 10.0 (3.5) | <0.001 | |
| Systolic blood pressure (mmHg) | 143 (18.9) | 142 (18.7) | 144 (19.1) | <0.001 | |
| Total cholesterol (mmol/L) | 5.9 (1.1) | 5.8 (1.1) | 6.0 (1.1) | <0.001 | |
| Body mass index (kg/m2) | 27.7 (4.6) | 27.7 (4.5) | 27.7 (4.7) | 0.575 | |
| Physical activity at least 2 times/ week (%) | 49.9% | 52.4 | 47.5 | <0.001 | |
| Dementia risk score (points) | 8.4 (1.8) | 8.1 (1.7) | 8.6 (1.8) | <0.001 | |
| History of diseases from registers | |||||
| Myocardial infarction (%) | 4.1 | 3.5 | 4.6 | 0.032 | |
| Stroke (%) | 4.5 | 3.0 | 5.8 | <0.001 | |
| Diabetes (%) | 11.0 | 8.9 | 12.9 | <0.001 | |
| Cancer (%) | 8.7 | 7.0 | 10.3 | <0.001 | |
| Dementia (%) | 1.1 | 0.3 | 2.0 | <0.001 | |
| Mortality between May 2009 and 31 Dec 2011 (%) | 3.2 | 0.8 | 5.4 | <0.001 | |
* The p value refers to difference between screening visit attendees and non-attendees.