Table 1.

Baseline characteristics of study participants

Characteristics	All participants
N	349
Personal characteristics
Age (years), mean (SD)	35.1	(4.0)
BMI (kg/m2), mean (SD)	24.1	(4.3)
Ever smoker, N (%)	92	(26)
White, N (%)	290	(83)
College degree or higher, N (%)	341	(98)
Dietary characteristics
Calorie intake, kcal/day, mean (SD)	1801.4	(594.2)
Alcohol, g/day, mean (SD)	9.2	(10.9)
Caffeine, mg/day, mean (SD)	131.3	(112.7)
Folate intake, DFE mg/day, mean (SD)	1840.4	(837.0)
B12 mcg/day, mean (SD)	39.3	(116.7)
Prudent pattern, mean (SD)	0.02	(0.98)
Western pattern, mean (SD)	0.05	(1.01)
Retinol Activity Equivalents, mcg/day, mean (SD)	1936.1	(1108.7)
Vitamin C, mg/day, mean (SD)	238.1	(211.5)
Vitamin E, mg/day, mean (SD)	26.4	(36.7)
Retinol, mcg/day, mean (SD)	1347.5	(923.9)
Alpha-Carotene, mcg/day, mean (SD)	746.7	(672.5)
Beta-Carotene, mcg/day, mean (SD)	6554.3	(3635.5)
Beta Cryptoxanthin, mcg/day, mean (SD)	105.8	(81.5)
Lycopene, mcg/day, mean (SD)	4756.3	(2898.5)
Lutein and Zeaxanthin, mcg/day, mean (SD)	4303.1	(3195.2)
Reproductive characteristics
Initial infertility diagnosis
Diminished ovarian reserve, N (%)	22	(6)
Endometriosis, N (%)	15	(4)
Paternal factor, N (%)	112	(32)
Ovulatory, N (%)	29	(8)
Tubal, N (%)	23	(7)
Unexplained, N (%)	142	(41)
Uterine, N (%)	6	(2)
Initial treatment protocol
Antagonist, N (%)	48	(14)
Flare, N (%)	39	(11)
Luteal phase agonist, N (%)	245	(70)
Endometrial preparation (cryo-thaw cyles), N (%)	17	(5)
Ever pregnancy, N (%)	131	(38)
Day three FSH (IU/L), mean (SD)	7.2	(2.2)

N: Number; BMI: Body mass index; SD: Standard deviation; Prudent pattern: High intakes of fish, fruits, cruciferous vegetables, yellow vegetables, tomatoes, leafy green vegetables and legumes; Western pattern: High intakes of processed meat, full-fat dairy, fries, refined grains, pizza and mayonnaise; FSH: follicle-stimulating hormone