Table 2 The baseline characteristics of the patients
Variables | Total N (%) | Urban n1 (%) | Rural n2 (%) | P- value |
|---|---|---|---|---|
Observation | 2166 | 1070 | 1096 | Â |
Gender | Â | Â | Â | 0.28 |
 Male | 749 (34.6) | 382 (35.7) | 367 (33.5) |  |
 Female | 1417 (65.4) | 688 (64.3) | 729 (66.5) |  |
Age groups, years | Â | Â | Â | 0.89 |
  < 65 | 1086 (50.1) | 531 (49.6) | 555 (50.6) |  |
≥65 | 1080 (49.9) | 539 (50.4) | 541 (49.4) |  |
Household income per capita, Yuan | Â | Â | Â | 0.00* |
  < 2800 | 542 (25.0) | 160 (15.0) | 382 (34.9) |  |
 2800~ | 541 (25.0) | 232 (21.7) | 309 (28.2) |  |
 6000~ | 541 (25.0) | 327 (30.6) | 214 (19.5) |  |
  ≥ 12,000 | 542 (25.0) | 351 (32.8) | 191 (17.4) |  |
Duration of diabetes, years | Â | Â | Â | 0.00* |
  < 5 | 833 (38.5) | 368 (34.4) | 465 (42.4) |  |
 5 ~ 10 | 680 (31.4) | 344 (32.2) | 336 (30.7) |  |
  > 10 | 653 (30.1) | 358 (33.5) | 295 (26.9) |  |
Diabetic knowledge score, Mean ± SD | 10.6 ± 3.3 | 10.8 ± 3.2 | 9.9 ± 3.5 | 0.00* |
Diabetic self-efficacy score, Mean ± SD | 32.0 ± 5.0 | 32.1 ± 5.1 | 31.8 ± 5.2 | 0.49 |