Table 1 Summary statistics of co-variables used in the analysis
Covariate | Sample Count (%) | Percent with CKD | Odds ratios* | ||
|---|---|---|---|---|---|
Uni-variable | Bi-variable | Multi-variable | |||
Gender | |||||
Female | 373 929 (50%) | 9.12% | 1 | 1 | 1 |
Male | 370 006 (50%) | 4.38% | 0.46 | 0.52 | 0.48 |
Ethnicity | |||||
Asian | 47 439 (6%) | 4.31% | 0.47 | 0.80 | 0.74 |
Black | 34 497 (5%) | 3.69% | 0.40 | 0.82 | 0.77 |
Mixed | 7873 (1%) | 4.03% | 0.43 | 1.22 | 1.17 |
White | 224 806 (30%) | 8.82% | 1 | 1 | 1 |
Other | 12 547 (2%) | 2.17% | 0.23 | 0.64 | 0.69 |
Not Recorded | 8844 (1%) | 8.44% | 0.95 | 0.96 | 1.09 |
Not Stated | 14 780 (2%) | 9.53% | 1.09 | 1.70 | 1.71 |
Missing | 393 149 (53%) | 6.21% | 0.68 | 0.73 | 0.97 |
Smoking status | |||||
Never smoked | 357 588 (48%) | 7.79% | 1 | 1 | 1 |
Ex-smoker | 153 051 (21%) | 10.93% | 1.45 | 0.970 | 1.04 |
Smoker | 146 608 (20%) | 3.69% | 0.45 | 0.74 | 0.84 |
Missing | 86 688 (12%) | 0.36% | 0.04 | 0.04 | 0.06 |
Diabetes | |||||
No | 708 072 (95%) | 5.97% | 1 | 1 | 1 |
Yes | 35 863 (5%) | 22.54% | 4.59 | 1.82 | 1.47 |
Stroke | |||||
No | 728 836 (98%) | 6.20% | 1 | 1 | 1 |
Yes | 15 099 (2%) | 34.17% | 7.86 | 1.59 | 1.27 |
Heart Failure | |||||
No | 738 669 (99%) | 6.44% | 1 | 1 | 1 |
Yes | 5266 (1%) | 52.51% | 16.07 | 2.78 | 2.15 |
Hypertension | |||||
No | 635 309 (85%) | 3.58% | 1 | 1 | 1 |
Yes | 108 626 (15%) | 25.37% | 9.15 | 2.36 | 1.87 |
Ischaemic Heart Disease | |||||
No | 717 929 (97%) | 5.80% | 1 | 1 | 1 |
Yes | 26 006 (4%) | 33.35% | 8.13 | 2.77 | 1.49 |
Peripheral Vascular Disease | |||||
No | 738 875 (99%) | 6.56% | 1 | 1 | 1 |
Yes | 5 060 (1%) | 36.30% | 8.12 | 1.86 | 1.44 |
Mean | St. Dev | ||||
Age | 46.72 | 18.22 | 2.51 | 2.3 to 2.5 | 2.20 |
Deprivation | 18.36 | 12.80 | 0.88 | 0.96 | 0.92 |