Table 3. Association between dairy food intake and 10-year incidence of CKD (stage 3 or greater), presented as adjusted odds ratios (OR) and 95% confidence intervals (CI) among Blue Mountains Eye Study participants in 1992–4 to 2002–4 (n = 1185).
| Dairy consumption, servings/day | eGFR <60 mL·min−1.1.73 m−2 | ||
|---|---|---|---|
| No. of cases/no. at risk | Age-sex adjusted OR (95% CI) | Multivariable-adjusted OR (95% CI) | |
| Total dairya | |||
| 1st quintile (≤0.81) | 29/237 | 1.0 (reference) | 1.0 (reference) |
| 2nd quintile (0.82–1.22) | 38/237 | 1.33 (0.78–2.28) | 1.35 (0.78–2.35) |
| 3rd quintile (1.23–1.76) | 48/237 | 1.73 (1.03–2.91) | 1.85 (1.08–3.15) |
| 4th quintile (1.77–2.81) | 35/237 | 1.14 (0.66–1.97) | 1.11 (0.63–1.95) |
| 5th quintile (≥2.82) | 28/237 | 0.86 (0.49–1.52) | 0.94 (0.52–1.68) |
| P for trend | 0.25 | 0.38 | |
| Reduced/low fat dairya,b | |||
| 1st quintile (≤0.00) | 54/259 | 1.0 (reference) | 1.0 (reference) |
| 2nd quintile (0.02–0.09) | 23/214 | 0.48 (0.28–0.84) | 0.51 (0.29–0.89) |
| 3rd quintile (0.09–0.85) | 33/238 | 0.65 (0.39–1.08) | 0.64 (0.38–1.09) |
| 4th quintile (0.86–1.22) | 32/235 | 0.60 (0.36–1.01) | 0.66 (0.39–1.13) |
| 5th quintile (≥1.24) | 36/239 | 0.64 (0.38–1.07) | 0.66 (0.39–1.12) |
| P for trend | 0.33 | 0.39 | |
| Regular fat dairya,c | |||
| 1st quintile (≤0.21) | 38/237 | 1.0 (reference) | 1.0 (reference) |
| 2nd quintile (0.22–0.50) | 29/236 | 0.74 (0.43–1.28) | 0.76 (0.44–1.32) |
| 3rd quintile (0.52–0.91) | 33/238 | 0.84 (0.49–1.42) | 0.78 (0.45–1.34) |
| 4th quintile (0.92–1.55) | 40/237 | 1.00 (0.59–1.69) | 0.98 (0.57–1.69) |
| 5th quintile (≥1.56) | 38/237 | 0.93 (0.54–1.58) | 0.94 (0.55–1.63) |
| P for trend | 0.44 | 0.44 | |
aFurther adjusted for receipt of pension, body mass index, smoking, serum triglycerides, hypertension, and history of diagnosed diabetes.
bFurther adjusted for baseline regular-fat dairy product consumption.
cFurther adjusted for baseline low-fat dairy product consumption.