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. Author manuscript; available in PMC: 2020 Jul 7.
Published in final edited form as: Int J Cancer. 2019 Jun 6;146(1):76–84. doi: 10.1002/ijc.32415

Table 2. Estimated total nut1 intake and covariates at baseline used in the analyses.

Total nut intake (g/day)
Consumers
Q1 Q2 Q3 Q4
Nonconsumers 0 g/day >0–0.7 g/day Median: 0.3 g/day >0.7–2.3 g/day Median: 1.0 g/day >2.3–5.7 g/day Median: 3.5 g/day >5.7 g/day Median: 11.8 g/day

Participants (n) 120,197 89,014 86,213 91,788 88,948
PDAC (n) 400 223 303 196 161
Female (%) 72.0 65.4 65.7 75.0 71.7
Age at recruitment 53.6 (47.9–60.2)2 50 (40.7–57.9) 53.7 (49.1–59) 49.8 (43.4–56.2) 49.2 (43.3–55.8)
Energy intake (Kcal/day) 1887 (1,536–2,315) 1908 (1,544–2,360) 2049 (1,695–2,467) 1964 (1,626–2,375) 2,216 (1,832–2,665)
Dietary fiber (g/day) 20.7 (16.4–25.8) 20.3 (16.1–25.2) 22.3 (17.9–27.6) 21.9 (17.8–26.8) 24.3 (19.8–29.7)
Magnesium (mg/day) 324.4 (266.6–394.1) 306.6 (251.3–372.8) 356.7 (297.7–426.2) 349.6 (293.2–416.5) 399.7 (333.5–479.7)
Vegetables (g/day) 169.3 (104.9–262.7) 143.7 (86.2–236.3) 163.3 (108.0–241.6) 203.7 (127.3–316.9) 207.3 (129.2–326.5)
Fruit (g/day) 185.2 (100.0–307.6) 206.8 (110.3–330.9) 170.7 (94.0–279.9) 200.9 (114.2–318.5) 210.6 (118.7–327.9)
Red meat (g/day) 35.1 (17.9–61.5) 26.2 (12.2–49.5) 49.5 (26.9–75.9) 31.4 (12.8–58.6) 35.6 (12.3–66.7)
Processed meat (g/day) 26.9 (13.4–46.4) 22.6 (9.7–41.0) 25.9 (14.2–45.0) 20.0 (5.0–40.6) 23.6 (6.5–45.4)
Body Mass Index (kg/m2) 25.3 (22.8–28.4) 25.1 (22.7–27.9) 25.0 (22.6–27.8) 24.4 (22.1–27.3) 24.1 (21.9–27.1)
Time quitting smoking (year) 14.5 (6.5–23.0) 13.0 (6.5–21.0) 15.0 (7.0–23.5) 14.0 (6.5–22.0) 13.5 (96.5–21.5)
Smoking status (%)
     Never 48.4 53.0 44.8 50.3 48.4
     Former 25.0 25.5 28.8 26.8 27.7
     Smoker 24.0 20.6 25.1 20.4 21.4
     Unknown 2.6 0.9 1.3 2.5 2.5
Diabetes (%)
     No 81.4 94.9 89.9 89.8 92.6
     Yes 3.5 2.7 2.2 2.2 2.2
     Do not know 0.5 0.0 1.6 0.2 0.1
     Missing 14.5 2.4 6.3 7.7 5.1
Alcohol at recruitment
     Nondrinker (%) 26.7 26.7 9.6 8.1 9.5 8.6
Consumers among women (g/day) 4.4 (1.4–10.9) 2.9 (0.8–9.8) 6.9 (2.2–14.7) 5.3 (1.6–11.8) 7.0 (2.3–15.3)
Consumers among men (g/day) 14.1 (5.4–33.1) 8.0 (2.8–23.7) 17.2 (8.1–35.9) 15.1 (6.5–30.6) 16.6 (6.8–33.1)
1

Total nut intake is the sum of the total intake of nuts and seeds.

2

Median (p25–p75).

Abbreviation: PDAC, pancreatic ductal adenocarcinoma.