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Table 1 List of lifestyle/consumption and their risk for infertility

From: The impact of lifestyle modifications, diet, and vitamin supplementation on natural fertility

Lifestyle Risk for Infertility
Weight (2)  
BMI 25–39 or <19 RR- 2.2 (95 % CI 1.6-3.2)
Exercise (8)  
<15 min/day OR- 0.5 (95 % CI 0.3-0.9)
16-30 or 30–60 min/day OR- 0.3 (95 % CI 0.2-0.5)
Exercise to exhaustion OR- 2.3 (95 % CI 1.2-4.5)
Tobacco (18)  
Smokers versus Nonsmokers OR- 1.6 (95 % CI 1.34-1.91)
Alcohol (27)  
High consumers RR- 1.59 (95 % CI 1.09-2.31)
Low consumers RR- 0.64 (95 % CI 0.46-0.90)
Diet and Nutrition (38)  
Red Meats RR- 1.42 (95 % CI 0.98-2.06)
Chicken/Turkey RR- 1.53 (95 % CI 1.12-2.09)
Processed Meats RR- 1.04 (95 % CI 0.67-1.62)
Fish RR- 1.04 (95 % CI 0.64-1.70)
Low Fat Dairy (41)  
2-4 servings/week RR- 1.32 (95 % CI 0.83-2.11)
5-6 servings/week RR- 1.77 (95 % CI 1.06-2.94)
High Fat Dairy  
2-4 servings/week RR- 0.91 (95 % CI 0.67-1.24)
5-6 servings/week RR- 0.77 (95 % CI 0.52-1.15)
Caffeine (48)  
(>5 cups coffee/day or >500 mg) OR- 1.45 (95 % CI 1.03-2.04)