Table 4.

Multivariate RRs for one increment of serving of fruits and vegetables per day by multivitamin use, smoking status, BMI, history of hypertension, and age

Multivitamin use
Smoking status
BMI (kg/m2)
History of hypertension
Age (y)
EverNeverNeverEver<25≥25NoYes<65≥65
Person-years
    Women1,035,515672,658784,466923,707927,832780,3401,206,382501,7901,437,421270,752
    Men411,082197,072309,200298,980264,044344,136428,390179,790262,31759,155
No. of cases
    Women93395379597363698844
    Men70464571437358587838
Total fruits and vegetables
    Women1.06 (0.96-1.18)1.14 (0.97-1.33)1.08 (0.94-1.23)1.09 (0.97-1.22)1.16 (1.03-1.30)1.01 (0.89-1.14)1.14 (1.02-1.27)1.01 (0.88-1.15)1.11 (1.00-1.23)1.02 (0.88-1.19)
    Men0.84* (0.74-0.94)1.01* (0.91-1.13)0.82* (0.71-0.95)0.96* (0.87-1.06)0.96 (0.84-1.09)0.89 (0.80-0.99)0.95 (0.85-1.06)0.87 (0.77-0.99)0.96* (0.88-1.05)0.80* (0.68-0.94)
    Pooled0.94 (0.75-1.17)1.07 (0.94-1.23)0.94 (0.72-1.22)1.02 (0.90-1.14)1.05 (0.87-1.27)0.94 (0.83-1.06)1.04 (0.87-1.24)0.94 (0.82-1.07)1.03 (0.89-1.18)0.90 (0.71-1.15)
  • NOTE: Multivariate RRs were adjusted for the same covariates listed in Table 2.

  • * P < 0.05 for interaction by stratification.