CHAPTER 3.2 152 Supplementary table 3. Quasi-Poisson regression analysis (i) with ethnicity, age, sex and time; (ii) with age and sex and an interaction term between ethnicity and time Model with age, sex, time and ethnicity Model with age, sex and interaction term between ethnicity and time Predictors Incidence Rate Ratio CI p Incidence Rate Ratio CI p Time 0.99 0.985 – 0.996 0.001 0.99 0.99 – 1.00 0.086 Time:Chinese 0.99 0.98 – 1.00 0.184 Time:Indian 0.98 0.9646 – 0.9999 0.049 Time:Others 1.01 0.99 – 1.02 0.575 Chinese 0.42 0.41 – 0.44 <0.001 0.45 0.41 – 0.49 <0.001 Indian 1.20 1.14 – 1.26 <0.001 1.33 1.18 – 1.48 <0.001 Others 0.72 0.68 – 0.76 <0.001 0.70 0.62 – 0.79 <0.001 Women 0.75 0.72 – 0.77 <0.001 0.75 0.72 – 0.77 <0.001 Age, in years (ref =20-<25) 25-<30 1.87 1.42 – 2.49 <0.001 1.87 1.42 – 2.49 <0.001 30-<35 3.39 2.62 – 4.44 <0.001 3.39 2.62 – 4.44 <0.001 35-<40 5.95 4.66 – 7.69 <0.001 5.95 4.66 – 7.69 <0.001 40-<45 10.89 8.63 – 13.95 <0.001 10.89 8.63 – 13.94 <0.001 45-<50 20.80 16.60 – 26.47 <0.001 20.80 16.60 – 26.45 <0.001 50-<55 36.83 29.49 – 46.72 <0.001 36.82 29.50 – 46.69 <0.001 55-<60 61.54 49.36 – 77.97 <0.001 61.53 49.37 – 77.92 <0.001 60-<65 95.27 76.46 – 120.65 <0.001 95.28 76.50 – 120.60 <0.001
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