Table 2

 Association between quintiles of cumulative average patterns and newly diagnosed COPD

Quintile of intakep for trend
Quintile1:Small intakeQuintile 2Quintile 3:Medium intakeQuintile 4Quintile 5:High intake
*Multivariate RRs adjusted for age and energy intake.
†Multivariate RRs adjusted for age, energy intake, smoking status, pack-years and pack-years2.
‡Multivariate RRs adjusted for age, energy intake, smoking status, pack-years, pack-years2, race/ethnicity, physician visits, US region, body mass index, physical activity and multivitamin use.
Prudent pattern
No of cases3228181716
Person-years5000350105496694883048227
    RR (95% CI): adjustment 1*1.000.60 (0.36 to 1.02)0.40 (0.22 to 0.70)0.30 (0.17 to 0.55)0.20 (0.11 to 0.39)<0.001
    RR (95% CI): adjustment 2†1.000.82 (0.48 to 1.39)0.65 (0.36 to 1.15)0.59 (0.32 to 1.09)0.47 (0.24 to 0.92)0.02
    RR (95% CI): adjustment 3‡1.000.83 (0.49 to 1.42)0.64 (0.36 to 1.15)0.60 (0.32 to 1.11)0.50 (0.25 to 0.98)0.02
Western pattern
No of cases129162945
Person-years4895849353496634959249268
    RR (95% CI): adjustment 1*1.001.29 (0.56 to 2.96)1.62 (0.70 to 3.78)3.94 (1.76 to 8.79)10.49 (4.62 to 23.84)<0.001
    RR (95% CI): adjustment 2†1.001.12 (0.49 to 2.58)1.23 (0.52 to 2.86)2.47 (1.11 to 5.52)5.07 (2.21 to 11.66)<0.001
    RR (95% CI): adjustment 3‡1.001.09 (0.48 to 2.50)1.15 (0.49 to 2.69)2.30 (1.02 to 5.18)4.56 (1.95 to 10.69)<0.001