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Table 1 Weighted baseline characteristics of the study population, National Health and Nutrition Examination Survey (NHANES) 2003–2014 (N = 30,378)a

From: Prospective study of dietary mushroom intake and risk of mortality: results from continuous National Health and Nutrition Examination Survey (NHANES) 2003-2014 and a meta-analysis

Characteristic

No Mushroom Intake (n = 29,033)

Mushroom Intake (n = 1345)

P value‡

Age, mean ± SE, years

45.8 ± 0.3

47.1 ± 0.7

0.07

Gender %

  

0.0004

 Men

13,943 (47.8)

551 (41.4)

 

 Women

15,090 (52.2)

794 (58.6)

 

Race-Ethnicity %

  

< 0.0001

 Mexican American

5036 (8.9)

160 (5.0)

 

 Other Hispanic

2332 (4.9)

56 (1.8)

 

 Non-Hispanic White

13,109 (67.9)

857 (81.3)

 

 Non-Hispanic Black

6389 (12.0)

148 (5.4)

 

 Other Race

2167 (6.4)

124 (6.5)

 

Education status %

  

< 0.0001

 Non college degree

15,063 (42.3)

472 (30.6)

 

 College degree or above

13,970 (57.7)

873 (69.4)

 

Marital status %

  

0.002

 Married

16,788 (61.6)

872 (68.1)

 

 Not married

12,245 (38.4)

473 (31.9)

 

Body mass index (kg/m2) %

  

0.007

 < 24.9

8983 (32.3)

462 (37.3)

 

 25.0-29.9

9621 (33.0)

434 (31.9)

 

 ≥ 30.0

10,429 (34.7)

449 (30.8)

 

Smoking status %

  

0.72

 Never smoker

15,943 (54.4)

719 (53.6)

 

 Ever smoker

13,090 (45.6)

626 (46.4)

 

Physical activity MET-min/week

  

0.37

 Somewhat active

6849 (22.5)

306 (21.7)

 

 Active

4562 (15.4)

243 (17.5)

 

 Very active

17,622 (62.1)

796 (60.8)

 

Alcohol intake, (g/d)

8.9 ± 0.2

9.5 ± 0.7

0.38

Carbohydrate intake (g)/1000 kcal/d)

122.7 ± 0.3

117.9 ± 0.8

< 0.0001

Fiber intake (g)/1000 kcal/d

8.1 ± 0.1

8.8 ± 0.1

< 0.0001

Energy intake, kcal/d

2054 ± 7.5

2109 ± 26.0

0.04

Healthy Eating Index-2010

52.1 ± 0.2

55.8 ± 0.5

< 0.0001

  1. Data are means ± SE unless indicated otherwise
  2. SE Standard Error
  3. ‡For categorical variables, P-value was calculated by the Rao-Scott χ2 test, which is a design adjusted version of the Pearson χ2 test. For continuous variables, a t-test was used to calculate P-value
  4. aAll Ns are unweighted, and all proportions and means (SE) are survey-weighted for complex survey design to be nationally representative estimates. The focus should be on the survey-weighted proportions and means (SE) because they are representative of the US adult population