Table 1.
Baseline or prebaseline characteristics of participants by relationship style
| Relationship style groups |
Statistical test: χ2 df = 1 or t(df) = 3,533 | ||
|---|---|---|---|
| Interactive relationship style | Independent relationship style | ||
| n (%) | 1,902 (53.8) | 1,633 (46.2) | |
| Demographics | |||
| Male sex | 49.5 (941) | 43.4 (709) | 12.71* |
| Nonwhite | 16.3 (310) | 22.7 (371) | 22.88* |
| High school graduate or less | 21.2 (403) | 25.2 (412) | 7.86† |
| Unmarried | 28.9 (549) | 36.5 (596) | 23.03* |
| Age | 63.1 ± 13.0 | 63.5 ± 13.8 | 0.86 |
| Clinical characteristics | |||
| Type 1 diabetes | 5.2 (99) | 3.9 (63) | 3.34 |
| Treatment intensity | 2.10 | ||
| Nothing or diet | 25.3 (482) | 27.4 (448) | |
| Pills only | 45.5 (866) | 43.8 (715) | |
| Any insulin | 29.1 (554) | 28.8 (470) | |
| Years with diabetes | 9.7 ± 9.5 | 9.6 ± 9.6 | 0.25 |
| A1C (%) | 7.7 ± 1.5 | 7.7 ± 1.5 | 0.36 |
| Smoking | 7.2 (136) | 8.5 (138) | 1.90 |
| Hypertension diagnosis (ICD-9) | 43.5 (828) | 43.7 (714) | 0.01 |
| BMI | 31.5 ± 7.0 | 30.7 ± 6.6 | 3.36† |
| RxRisk | 3,062.4 ± 2,451.7 | 3,108.3 ± 2,308.3 | 0.57 |
| At least 1 microvascular event/procedure | 52.8 (1,004) | 52.5 (858) | 0.02 |
| Retinopathy | 38.4 (730) | 37.61 (614) | 0.22 |
| Nephropathy | 50.1 (952) | 51.98 (847) | 1.16 |
| Foot ulcer | 5.3 (101) | 4.8 (79) | 0.39 |
| Amputation | 1.3 (25) | 1.0 (17) | 0.56 |
| At least 1 macrovascular event/procedure | 20.6 (391) | 21.7 (355) | 0.74 |
| Myocardial infarction | 10.6 (201) | 11.7 (190) | 1.06 |
| Peripheral vascular disease procedure | 1.1 (20) | 1.0 (16) | 0.04 |
| Cerebrovascular procedure | 0.5 (10) | 0.7 (12) | 0.62 |
| Cardiovascular procedure | 9.1 (174) | 9.9 (162) | 0.61 |
| History of stroke | 6.0 (114) | 5.8 (94) | 0.09 |
Data are (%) n or means ± SD.
*P < 0.001;
†P < 0.01.