Table 2.
Subgroup analyses of studies reporting risk of CVD for the highest v. lowest (reference) category of legume intake
| CVD (any) | Total CVD | CHD | Stroke | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Subgroup | No. | RR | 95 % CI | I 2 (%) | No. | RR | 95 % CI | I 2 (%) | No. | RR | 95 % CI | I 2 (%) | No. | RR | 95 % CI | I 2 (%) |
| Total | 18 | 0·94 | 0·89, 1·00 | 40 | 6 | 0·90 | 0·84, 0·97 | 0 | 12 | 0·90 | 0·84, 0·97 | 34 | 8 | 1·01 | 0·89, 1·14 | 59 |
| Sex | ||||||||||||||||
| Men | 4 | 1·01 | 0·94, 1·09 | 0 | 1 | 1·08 | 0·83, 1·41 | – | 3 | 0·99 | 0·91, 1·08 | 0 | 2 | 1·11 | 0·95, 1·30 | 0 |
| Women | 6 | 0·90 | 0·81, 1·00 | 44 | 1 | 0·71 | 0·46, 1·10 | – | 5 | 0·86 | 0·79, 0·94 | 0 | 2 | 0·90 | 0·60, 1·37 | 67 |
| No. of participants | ||||||||||||||||
| <10 000 | 2 | 0·81 | 0·72, 0·91 | 0 | 1 | 0·81 | 0·60, 1·09 | – | 1 | 0·79 | 0·69, 0·90 | – | 1 | 0·94 | 0·48, 1·84 | – |
| >10 000 | 16 | 0·95 | 0·89, 0·70 | 45 | 5 | 0·91 | 0·84, 0·98 | 0 | 11 | 0·90 | 0·84, 0·97 | 34 | 7 | 1·01 | 0·89, 1·15 | 64 |
| Follow-up | ||||||||||||||||
| <10 years | 2 | 0·81 | 0·63, 1·03 | 0 | 2 | 0·81 | 0·63, 1·03 | 0 | 1 | 0·70 | 0·43, 1·14 | – | – | – | – | |
| >10 years | 16 | 0·95 | 0·90, 1·00 | 44 | 4 | 0·91 | 0·84, 0·98 | 0 | 11 | 0·91 | 0·84, 0·98 | 35 | 8 | 1·01 | 0·89, 1·14 | 59 |
| Geographical location | ||||||||||||||||
| Mediterranean | 6 | 0·91 | 0·83, 0·99 | 31 | 1 | 0·80 | 0·53, 1·21 | – | 5 | 0·92 | 0·83, 1·03 | 29 | 1 | 0·85 | 0·76, 0·95 | – |
| Non-Mediterranean | 12 | 0·97 | 0·90, 1·04 | 45 | 5 | 0·90 | 0·84, 0·97 | 0 | 7 | 0·89 | 0·80, 0·99 | 35 | 7 | 1·05 | 0·95, 1·17 | 22 |
| Controlled for other dietary variables | ||||||||||||||||
| Yes | 13 | 0·96 | 0·90, 1·03 | 48 | 4 | 0·91 | 0·84, 0·98 | 0 | 9 | 0·90 | 0·83, 0·98 | 46 | 6 | 1·06 | 0·95, 1·18 | 34 |
| No | 6 | 0·87 | 0·80, 0·94 | 0 | 2 | 0·81 | 0·63, 1·03 | 0 | 3 | 0·94 | 0·78, 1·14 | 0 | 2 | 0·85 | 0·76, 0·95 | 0 |
RR, relative risk.