Table 2

Age-specific relative risks for ischaemic heart disease (IHD) for four risk factors in women (extracted from the Global Burden of Disease reports, 2012 and 20131 9)

CohortYoungerMid-ageOlder
Survey year200020032006200920121998200120042007201019992002200520082011
Age range22–2725–3028–3331–3634–3947–5250–5553–5856–6159–6473–7876–8179–8482–8785–90
Smoking
 Never (ref)
 Current6.156.156.156.155.463.843.843.423.423.042.142.141.791.791.79
 95% CI5.06 to 7.415.06 to 7.415.06 to 7.415.06 to 7.414.56 to 6.513.33 to 4.423.33 to 4.423.00 to 3.883.00 to 3.882.70 to 3.411.97 to 2.321.97 to 2.321.69 to 1.911.69 to 1.911.69 to 1.91
Physical inactivity (MET-mins/week)
 ≥1600 (high) (ref)
 600 to <1600 (moderate)1.251.251.241.241.221.171.171.151.151.141.091.091.071.071.07
 95% CI1.11 to 1.421.11 to 1.421.10 to 1.391.10 to 1.391.10 to 1.361.07 to 1.281.07 to 1.281.07 to 1.251.07 to 1.251.06 to 1.231.04 to 1.151.04 to 1.151.03 to 1.111.03 to 1.111.03 to 1.11
 >0 to <600 (low)2.222.222.122.122.011.741.741.651.651.581.361.361.271.271.27
 95% CI1.44 to 3.351.44 to 3.351.41 to 3.111.41 to 3.111.38 to 2.891.29 to 2.321.29 to 2.321.26 to 2.161.26 to 2.161.23 to 2.001.15 to 1.611.15 to 1.611.12 to 1.441.12 to 1.441.12 to 1.44
 0 (none)2.872.872.692.692.522.082.081.951.951.831.511.511.371.371.37
 95% CI2.20 to 3.682.20 to 3.682.10 to 3.402.10 to 3.402.00 to 3.141.73 to 2.481.73 to 2.481.65 to 2.291.65 to 2.291.58 to 2.121.36 to 1.671.36 to 1.671.27 to 1.481.27 to 1.481.27 to 1.48
High body mass index
 ≤23 (ref)
 >23 kg/m21.851.851.781.781.711.531.531.481.481.421.271.271.201.201.20
 95% CI1.76 to 1.931.76 to 1.931.70 to 1.851.70 to 1.851.65 to 1.781.49 to 1.581.49 to 1.581.44 to 1.521.44 to 1.521.39 to 1.461.25 to 1.291.25 to 1.291.19 to 1.221.19 to 1.221.19 to 1.22
High blood pressure (mm Hg)
 <115 (ref)
 >1151.761.761.701.701.651.481.481.431.431.391.251.251.191.191.19
 95% CI1.64 to 1.891.64 to 1.891.59 to 1.691.59 to 1.691.54 to 1.751.41 to 1.561.41 to 1.561.37 to 1.501.37 to 1.501.33 to 1.441.22 to 1.291.22 to 1.291.16 to 1.211.16 to 1.211.16 to 1.21