Table 3.
Characteristics of patients invited for Internet-based self-management.
| Characteristics | Total population, N (%) |
Participating patients, n (%) |
Nonparticipating patients, n (%) |
P value |
| Total number of patients | 154 (100) | 57 (37) | 97 (63) |
|
| Age in years, mean (SD) | 59.3 (12.1) | 55.2 (10) | 61.7 (13) | .001 |
| Sex, male | 96 (62.3) | 40 (70) | 56 (58) | .12 |
| Ethnicity (Western European) | 121 (78.6) | 47 (83) | 74 (76) | .37 |
| Educational level, low (n=74) | 39 (52.7) | 15 (50) | 24 (55) | .04 |
| Diabetes duration, years, median (IQRa) | 5.5 (5.2) | 4.7 (6) | 5.7 (6) | .05 |
| HbA1cb (mmol/mol), median (IQRa) | 48.0 (7) | 47.0 (8) | 48.0 (6) | .13 |
| HbA1c (%),median (IQRa) | 6.5 (0.6) | 6.5 (1) | 6.5 (1) | .13 |
| LDLc cholesterol (mmol/L), median (IQRa) | 2.0 (0.7) | 2.0 (1) | 2.0 (1) | .95 |
| Systolic blood pressure (mm Hg), median (IQRa) | 128 (18) | 122 (18) | 128 (15) | .06 |
| BMId (kg/m2), median (IQRa) | 27.6 (5.8) | 27.0 (5) | 28.5 (6) | .07 |
| Microvascular complications | 33 (22.9) | 8 (28) | 25 (15) | .09 |
| Cardiovascular disease | 29 (18.8) | 10 (18) | 19 (20) | .75 |
| Lifestyle advice only | 31 (20.1) | 10 (18) | 21 (22) | .54 |
| Oral diabetes medication use | 121 (78.6) | 47 (83) | 74 (76) | .37 |
| Statin use | 115 (74.7) | 38 (67) | 77 (79) | .08 |
| Insulin use | 10 (6.5) | 4 (7.0) | 6 (6) | .84 |
aIQR: interquartile range.
bHbA1c: hemoglobin A1c.
cLDL: low-density lipoprotein.
dBMI: body mass index.