Table 2 Summary information about risk factor levels between study baseline (1989–90) and end period (1997–9), by ethnic group. Percentage ascertainment and sample size presented, along with absolute and % difference.
Men | Women | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
1989–90 | 1997–9 | Absolute difference | % difference | 1989–90 | 1997–9 | Absolute difference | % difference | |||
Cholesterol | Caucasian | % ascertained | 51.7% | 50.5% | 47.6% | 43.8% | ||||
n | 4,096 | 2,591 | 4,454 | 2,130 | ||||||
Mean (mmol/l) (95% CI) | 6.168 (6.133 – 6.203) | 5.628 (5.578 – 5.678) | -0.54 | -8.8% | 6.034 (6.002–6.066) | 5.409 (5.358 – 5.460) | -0.625 | -10.4% | ||
South-Asian | % ascertained | 40.9% | 50.0% | 41.8% | 45.5% | |||||
n | 38 | 55 | 28 | 35 | ||||||
Mean (mmol/l) (95% CI) | 6.539 (6.209 – 6.869) | 5.614 (5.293 – 5.935) | -0.925 | -14.1% | 5.629 (5.181–6.077) | 5.217 (4.935 – 5.499) | -0.412 | -7.3% | ||
SBP | Caucasian | % ascertained | 100% | 100% | 99.9% | 99.9% | ||||
n | 7,923 | 5,128 | 9,352 | 4,862 | ||||||
Mean (mmHg) (95% CI) | 129.9 (129.6–130.2) | 131.5 (131.0 – 132.0) | 1.6 | 1.2% | 126.3 (126.0 – 126.6) | 125.6 (125.1 – 126.1) | -0.7 | -0.6% | ||
South-Asian | % ascertained | 100% | 100% | 100% | 100% | |||||
n | 93 | 110 | 67 | 77 | ||||||
Mean (mmHg) (95% CI) | 125.7 (121.8–129.6) | 124.8 (121.7–127.9) | -0.9 | -0.7% | 128.9 (123.7 – 134.1) | 125.1 (121.4 – 128.8) | -3.8 | -2.9% | ||
DBP | Caucasian | % ascertained | 100% | 100% | 100% | 100% | ||||
n | 7,924 | 5,130 | 9,357 | 4,865 | ||||||
Mean (mmHg) (95% CI) | 80.4 (80.2 – 80.6) | 81.8 (81.5 – 82.1) | 1.4 | 1.7% | 77.4 (77.2 – 77.6) | 77.9 (77.6 – 78.2) | 0.5 | 0.6% | ||
South-Asian | % ascertained | 100% | 100% | 100% | 100% | |||||
n | 93 | 110 | 67 | 77 | ||||||
Mean (mmHg) (95% CI) | 78.1 (75.8 – 80.4) | 79.3 (77.4 – 81.2) | 1.2 | 1.5% | 78.3 (76.0 – 80.6) | 77.5 (75.4 – 79.6) | -0.8 | -1.0% | ||
BMI | Caucasian | % ascertained | 73.9% | 88.4% | 71.8% | 86.9% | ||||
n | 5,856 | 4,533 | 6,722 | 4,228 | ||||||
Mean (kg/m2) (95% CI) | 25.84 (25.75 – 25.93) | 26.65 (26.52 – 26.78) | 0.81 | 3.1% | 25.06 (24.95 – 25.17) | 25.96 (25.77 – 26.15) | 0.9 | 3.6% | ||
South-Asian | % ascertained | 63.4% | 87.3% | 65.7% | 84.4% | |||||
n | 59 | 96 | 44 | 84.4 | ||||||
Mean (kg/m2) (95% CI) | 24.83 (24.1 – 25.6) | 25.94 (25.1 – 26.8) | 1.11 | 4.5% | 26.16 (24.9 – 27.40) | 26.42 (25.23 – 27.61) | 0.26 | 1.0% | ||
Smoking | Caucasian | % ascertained | 74.6% | 88.5% | 72.6% | 87.0% | ||||
n | 5,911 | 4,542 | 6,793 | 4,231 | ||||||
Mean (% current smokers) (95% CI) | 51.9% (50.5 – 53.2) | 43.6% (41.9 – 45.3) | -8.3 | -16.0% | 38.7% (37.5 – 39.9) | 34.4% (32.7 – 36.1) | -4.3 | -11.1% | ||
South-Asian | % ascertained | 62.4% | 86.4% | 59.7% | 80.5% | |||||
n | 58 | 95 | 40 | 62 | ||||||
Mean (% current smokers) (95% CI) | 25.9% (14.3 – 37.5) | 27.4% (16.5 – 38.3) | 1.5 | 5.8% | 0% (0.0 – 0.0) | 7% (0.0 – 14.0) | 7 | ... | ||