Table 2.
Differences between the response categories in the electronic informed consent cohort, adjusted for age and sex.
| Variable | Full consent (n=415) | Nonresponse (n=443) | P value | |
| Age (years), median (IQR) | 60.0 (48.0-70.0) | 56.0 (28.0-72.0) | .0002 | |
| Sex, n (%) | ||||
|
|
Male | 237 (57.1) | 222 (50.1) | —a |
|
|
Female | 178 (42.9) | 221 (49.9) | .0420 |
| BMI (kg/m2), mean (SD) | 26.6 (5.2) | 26.0 (4.9) | .3673 | |
| SAPb (mm Hg), mean (SD) | 132.1 (19.4) | 130.4 (19.6) | .4168 | |
| Hemoglobin (mmol/L), mean (SD) | 8.5 (1.4) | 8.4 (1.3) | .2397 | |
| HbA1cc (mmol/mol), median (IQR) | 37.5 (34.0-44.0) | 37.5 (34.0-40.2) | .1940 | |
| Cholesterol (mmol/L), mean (SD) | 4.8 (1.2) | 4.6 (1.5) | .2852 | |
| HDLd-cholesterol (mmol/L), mean (SD) | 1.3 (0.4) | 1.2 (0.5) | .3371 | |
| LDLe-cholesterol (mmol/L), mean (SD) | 2.7 (1.1) | 2.6 (0.9) | .9304 | |
| Triglycerides (mmol/L), median (IQR) | 1.7 (1.1-2.6) | 1.4 (1.1-2.0) | .4167 | |
| CRPf (mg/L), median (IQR) | 2.0 (0.5-10.0) | 3.0 (0.5-12.0) | .5922 | |
| Creatinine (µmol/L), median (IQR) | 76.0 (64.2-94.0) | 79.0 (64.0-100.5) | .0897 | |
| eGFR CKD-EPIg (mL/min/1.73 m2), mean (SD) | 83.3 (23.1) | 82.0 (30.7) | .1103 | |
aReference group.
bSAP: systolic arterial blood pressure.
cHbA1c: glycated hemoglobin.
dHDL: high-density lipoprotein.
eLDL: low-density lipoprotein.
fCRP: c-reactive protein.
geGFR CKD-EPI: estimated glomerular filtration rate calculated using the Chronic Kidney Disease Epidemiology Collaboration equation.