Table 1.
Baseline characteristics and cardiovascular risk factors in rural Māori, urban Māori and urban non-Māori
| Rural Māori (N=252) | Urban Māori (N=243) | Non-Māori (N=256) | Overall, unadjusted p (adjusted p) | (a) vs (b), unadjusted p (adjusted p) | (b) vs (c), unadjusted p (adjusted p) | (a) vs (c), unadjusted p (adjusted p) | |
| (a) | (b) | (c) | |||||
| Age | 45.7 (11.5) | 42.6 (11.2) | 43.6 (11.5) | 0.009 | 0.003 | 0.339 | 0.038 |
| Gender, female, % (n) | 59.5 (150) | 54.7 (133) | 51.2 (131) | 0.166 | 0.282 | 0.426 | 0.059 |
| Cardiac history*, % (n) | 7.5 (19) | 5.8 (14) | 2.8 (7) | 0.066 (0.073) | 0.443 (0.942) | 0.101 (0.038) | 0.020 (0.034) |
| Hypertension, % (n) | 25.0 (63) | 14.9 (36) | 10.7 (27) | <0.001 (0.001) | 0.006 (0.115) | 0.157 (0.061) | <0.001 (<0.001) |
| Systolic blood pressure, mm Hg, mean (SD) | 130.8 (18.5) | 128.2 (20.6) | 124.5 (14.8) | <0.001 (<0.001) | 0.112 (0.074) | 0.021 (0.010) | <0.001 (<0.001) |
| Diastolic blood pressure, mm Hg, mean (SD) | 85.3 (11.1) | 86.2 (13.6) | 83.0 (12.1) | 0.011 (0.002) | 0.391 (0.358) | 0.004 (0.002) | 0.039 (0.028) |
| Treated dyslipidaemia, % (n) | 15.7 (39) | 7.1 (17) | 2.8 (7) | <0.001 (<0.001) | 0.004 (0.051) | 0.032 (0.007) | <0.001 (<0.001) |
| TC, mmol/l, mean (SD) | 5.1 (1.1) | 5.2 (1.0) | 5.3 (1.1) | 0.057 (0.032) | 0.112 (0.101) | 0.438 (0.423) | 0.018 (0.015) |
| LDL cholesterol, mmol/l, mean (SD) | 3.2 (0.9) | 3.3 (0.8) | 3.4 (0.9) | 0.017 (0.009) | 0.042 (0.036) | 0.462 (0.449) | 0.006 (0.004) |
| HDL cholesterol, mmol/l, mean (SD) | 1.2 (0.3) | 1.2 (0.3) | 1.3 (0.3) | <0.001 (<0.001) | 0.645 (0.629) | <0.001 (<0.001) | <0.001 (<0.001) |
| Triglycerides, mmol/l, mean (SD) | 1.5 (0.8) | 1.4 (1.1) | 1.2 (0.7) | 0.003 (<0.001) | 0.491 (0.474) | 0.009 (0.007) | 0.001 (0.001) |
| TC:HDL ratio, mean (SD) | 4.2 (1.1) | 4.3 (1.1) | 4.1 (1.3) | 0.221 (0.088) | 0.329 (0.305) | 0.083 (0.069) | 0.484 (0.462) |
| Urate, mmol/l, mean (SD) | 0.338 (0.897) | 0.300 (0.093) | 0.276 (0.085) | <0.001 (<0.001) | <0.001 (<0.001) | 0.003 (0.001) | <0.001 (<0.001) |
Continuous variables expressed as means (SD). Adjusted p = p value adjusted for age and gender.
*
Defined as a history of myocardial infarction, angina, heart failure, coronary artery bypass graft surgery, percutaneous transluminal coronary angioplasty, pacemaker, other cardiac intervention or ischaemic stroke.
TC, total cholesterol.