Jee et al. [112] |
1999 |
Korea |
1.90 |
1.00–3.50 |
Yes: age, socioeconomic status, residency, vegetable consumption, occupation |
Speize et al. [125] |
1999 |
U.S. |
1.50 |
0.30–6.30 |
Yes: age |
Nishino et al. [11] |
2001 |
Japan |
1.80 |
0.67–4.60 |
Yes: age, study area, alcohol, diet, history of lung diseases |
Vineis et al. [126] |
2005 |
Europe |
1.20 |
0.71–2.02 |
Yes: age, sex, smoking, country, school years |
Weiss et al. [14] |
2008 |
China |
0.94 |
0.65–1.35 |
No |
Kurahashi et al. [98] |
2008 |
Japan |
1.45 |
0.86–2.44 |
No |
Wang et al. [13] |
2015 |
U.S. |
0.88 |
0.52–1.49 |
Yes: age, body mass index (BMI), ethnicity, history of lung cancer, family history of cancer, education, occupation, hormone therapy use, oral contraceptive use, fruit servings per day, vegetable servings per day, red meat serving per day, alcohol, physical activity |
Pooled RR (Fixed effect) RR: 1.17, 95% CI: 0.94–1.44 |