Table 2.
Age-adjusted HRs for first CVD event after baseline for selected risk factors in men and women aged 30–74 years with no history of CVD, stratified by cohort, ethnicity and gender
| N events/N* | Crude rate/100 000 person-years (95% CI) | Age (1 year) | SBP (10 mm Hg) | DBP (10 mm Hg) | TC/HDL ratio (one unit) | Diabetes (yes/no) | Current smoking (yes/no) | |
| HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | |||
| New Zealand cohort | ||||||||
| European men | 1518/63 319 | 815 (775 to 857) | 1.07 (1.06 to 1.07) | 1.15 (1.12 to 1.18) | 1.16 (1.10 to 1.22) | 1.20 (1.16 to 1.23) | 1.92 (1.68 to 2.19) | 2.29 (2.02 to 2.59) |
| Indian men | 273/9997 | 933 (828 to 1050) | 1.06 (1.05 to 1.07) | 1.05 (0.98 to 1.13) | 1.02 (0.91 to 1.14) | 1.08 (0.98 to 1.19) | 1.72 (1.34 to 2.20) | 1.45 (0.99 to 2.11) |
| Norwegian cohort | ||||||||
| Norwegian men | 379/6385 | 703 (636 to 778) | 1.10 (1.09 to 1.11) | 1.15 (1.08 to 1.22) | 1.19 (1.08 to 1.30) | 1.22 (1.15 to 1.30) | 3.15 (2.14 to 4.65) | 1.86 (1.51 to 2.29) |
| South Asian men | 79/1239 | 833 (668 to 1039) | 1.11 (1.08 to 1.14) | 1.17 (1.01 to 1.35) | 1.21 (0.97 to 1.51) | 1.23 (1.05 to 1.42) | 1.61 (0.90 to 2.86) | 1.43 (0.88 to 2.30) |
| New Zealand cohort | ||||||||
| European women | 757/49 094 | 528 (492 to 567) | 1.06 (1.05 to 1.07) | 1.09 (1.05 to 1.13) | 1.13 (1.05 to 1.22) | 1.14 (1.09 to 1.21) | 1.93 (1.59 to 2.35) | 2.74 (2.30 to 3.27) |
| Indian women | 106/7039 | 531 (439 to 643) | 1.06 (1.03 to 1.08) | 1.27 (1.16 to 1.39) | 1.25 (1.03 to 1.50) | 1.21 (1.03 to 1.41) | 2.29 (1.55 to 3.37) | 2.60 (0.64 to 10.59) |
| Norwegian cohort | ||||||||
| Norwegian women | 259/8015 | 378 (335 to 427) | 1.10 (1.09 to 1.12) | 1.20 (1.12 to 1.28) | 1.32 (1.18 to 1.47) | 1.30 (1.19 to 1.43) | 2.79 (1.52 to 5.11) | 2.22 (1.73 to 2.84) |
| South Asian women | 26/967 | 341 (232 to 501) | 1.14 (1.09 to 1.19) | 1.06 (0.86 to 1.30) | 1.07 (0.74 to 1.55) | 1.04 (0.77 to 1.39) | 2.74 (1.21 to 6.22) | † |
*The numbers of events and people included in the analyses may differ due to missing risk factor data. Few were missing in the NZ cohort.
†Not calculated due to no exposed cases.
CVD, cardiovascular disease; DBP, diastolic blood pressure; HDL, high-density lipoprotein; SBP, systolic blood pressure; TC, total cholesterol.