Table 2. Probability ratios (95% confidence intervals, CIs) for clinic visits in the intervention and usual care groups.
| Intervention | Usual care | Probability ratio (95%CI) | Multivariable Probability ratio (95%CI)＊ | |||||
|---|---|---|---|---|---|---|---|---|
| n | Person- years | No. of clinic visits | n | Person- years | No. of clinic visits | |||
| Total | 8,975 | 4,082 | 4,626 | 6,733 | 3,731 | 2,727 | 1.45 (1.24 to 1.70) | 1.46 (1.24 to 1.72) |
| Hypertension | 5,025 | 2,487 | 2,208 | 3,648 | 2,178 | 1,228 | 1.47 (1.22 to 1.76) | 1.48 (1.23 to 1.78) |
| Diabetes mellitus | 1,540 | 566 | 1,044 | 1,149 | 522 | 670 | 1.35 (1.12 to 1.62) | 1.34 (1.11 to 1.63) |
| Dyslipidemia (men) | 2,066 | 933 | 1,075 | 1,679 | 962 | 631 | 1.65 (1.38 to 1.97) | 1.67 (1.38 to 2.02) |
| Proteinuria (≥ 2+) | 911 | 354 | 585 | 621 | 280 | 343 | 1.26 (1.02 to 1.55) | 1.25 (1.02 to 1.53) |
＊Adjusted for age, sex, smoking status, and alcohol consumption with multiple imputation.