Table 4.
Hazard ratios (HR) for the association of dietary α-linolenic acid with the risk of incident stroke and CHD among 2583 adults (Hazard ratios and 95 % confidence intervals)
Quintiles
|
P for trend | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
I | II
|
III
|
IV
|
V
|
||||||
HR | 95 % CI | HR | 95 % CI | HR | 95 % CI | HR | 95 % CI | |||
Total stroke | ||||||||||
Person-years | 4691 | 4785 | 4891 | 4997 | 5380 | |||||
No. of cases | 70 | 64 | 75 | 81 | 68 | |||||
Age–sex- and energy-adjusted | 1·0 (ref.) | 0·86 | 0·61, 1·21 | 1·00 | 0·72, 1·39 | 1·05 | 0·76, 1·45 | 0·84 | 0·60, 1·17 | 0·69 |
Additionally adjusted model* | 1·0 (ref.) | 0·89 | 0·64, 1·26 | 0·97 | 0·70, 1·35 | 1·09 | 0·78, 1·51 | 0·86 | 0·60, 1·21 | 0·80 |
Ischaemic stroke | ||||||||||
No. of cases | 59 | 52 | 54 | 67 | 46 | |||||
Age–sex- and energy-adjusted | 1·0 (ref.) | 0·85 | 0·59, 1·23 | 0·85 | 0·59, 1·24 | 1·03 | 0·72, 1·47 | 0·67 | 0·45, 1·01 | 0·19 |
Additionally adjusted model* | 1·0 (ref.) | 0·89 | 0·61, 1·30 | 0·84 | 0·58, 1·22 | 1·08 | 0·75, 1·54 | 0·70 | 0·47, 1·04 | 0·29 |
Haemorrhagic stroke | ||||||||||
No. of cases | 8 | 8 | 15 | 10 | 15 | |||||
Age–sex- and energy-adjusted | 1·0 (ref.) | 1·26 | 0·44, 3·63 | 2·36 | 0·91, 6·08 | 1·57 | 0·57, 4·36 | 2·29 | 0·88, 5·99 | 0·09 |
Additionally adjusted model* | 1·0 (ref.) | 1·19 | 0·41, 3·44 | 2·12 | 0·81, 5·54 | 1·52 | 0·54, 4·24 | 1·96 | 0·73, 5·27 | 0·16 |
Total CHD | ||||||||||
Person-years | 4631 | 4740 | 4815 | 4960 | 5321 | |||||
No. of cases | 77 | 71 | 67 | 92 | 71 | |||||
Age–sex- and energy-adjusted | 1·0 (ref.) | 0·92 | 0·67, 1·27 | 0·87 | 0·63, 1·21 | 1·25 | 0·92, 1·70 | 0·92 | 0·66, 1·28 | 0·67 |
Additionally adjusted model* | 1·0 (ref.) | 0·97 | 0·70, 1·34 | 0·88 | 0·63, 1·23 | 1·25 | 0·91, 1·70 | 0·93 | 0·67, 1·30 | 0·75 |
ref., Reference.
Additionally adjusted for race, enrolment site, education, smoking status, diabetes, BMI, alcohol consumption and treated hypertension.