Table 4.
Variable | Frequency of intake | P for trend | |||||
---|---|---|---|---|---|---|---|
<1/month | 1/month-1/week | 2-4/week | 5-6/week | 1/day | ≥2/day | ||
Total fruit juices* (small glass): | |||||||
No of cases | 31 | 137 | 116 | 191 | 236 | 43 | — |
Person years | 26590 | 85201 | 61964 | 107415 | 129859 | 26144 | — |
Age, BMI, alcohol, and energy adjusted relative risk (95% CI) | 1.0† | 1.37 (0.92 to 2.02) | 1.64 (1.10 to 2.45) | 1.60 (1.09 to 2.35) | 1.76 (1.20 to 2.57) | 1.83 (1.14 to 2.93) | 0.008 |
Multivariate relative risk‡ (95% CI) | 1.0† | 1.34 (0.91 to 1.99) | 1.57 (1.05 to 2.35) | 1.55 (1.05 to 2.30) | 1.74 (1.18 to 2.56) | 1.81 (1.12 to 2.93) | 0.01 |
Orange or apple juice (small glass): | |||||||
No of cases | 49 | 208 | 130 | 186 | 155 | 25 | — |
Person years | 38720 | 119388 | 65710 | 104037 | 93891 | 14630 | — |
Age, BMI, alcohol, and energy adjusted relative risk (95% CI) | 1.0† | 1.40 (1.03 to 1.92) | 1.61 (1.16 to 2.25) | 1.56 (1.13 to 2.15) | 1.53 (1.10 to 2.11) | 1.78 (1.09 to 2.91) | 0.04 |
Multivariate relative risk‡ (95% CI) | 1.0† | 1.41 (1.03 to 1.93) | 1.59 (1.14 to 2.23) | 1.55 (1.12 to 2.15) | 1.53 (1.09 to 2.13) | 1.82 (1.11 to 3.00) | 0.05 |
Orange or apple: | |||||||
No of cases | 25 | 217 | 126 | 247 | 139§ | — | — |
Person years | 16520 | 124376 | 77146 | 139438 | 79968§ | — | — |
Age, BMI, alcohol, and energy adjusted relative risk (95% CI) | 1.0† | 1.20 (0.79 to 1.83) | 1.17 (0.75 to 1.81) | 1.34 (0.88 to 2.04) | 1.43 (0.93 to 2.21)§ | — | 0.05 |
Multivariate relative risk‡ (95% CI) | 1.0† | 1.24 (0.82 to 1.89) | 1.22 (0.79 to 1.90) | 1.43 (0.94 to 2.19) | 1.64 (1.05 to 2.56)§ | — | 0.006 |
BMI=body mass index. Number of gout cases does not add up to total because of missing data.
*Includes orange juice, apple juice, grape juice, and other fruit juices.
†Referent.
‡Adjusted for age, total energy intake, body mass index, diuretic use, history of hypertension, and history of renal failure; intake of alcohol, total meats, seafood, purine rich vegetables, dairy foods, total vitamin C, and the beverages presented in this table and table 2.
§Values relate to one or more servings per day.