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Table 1 Patient Demographics and Nutritional Literacy Descriptive Statistics

From: Development of a reliable and construct valid measure of nutritional literacy in adults

  GROUP 1 (n = 72) GROUP 2 (n = 52) GROUP 3 (n = 97) GROUP 4 (n = 120) TOTAL (n = 341)
MEAN (SD) NLS 24.5 (3.0) 25.5 (2.4) 23.2 (4.5) 22.8 (4.5) 23.7 (4.1)
MEDIAN NLS 25 26 24 24 25
MEAN (SD) AGE 58.8 (11.7) 51.0 (14.1) 41.7 (15.4) 40.3 (13.5) 46.4 15.6)
MALE % 19 8 26 26 22
CAUCSN % 39 86 34 20 38
EDUC % >HS 64 90 75 64 71
RELIABILITY* 0.72 0.69 0.86 0.85 0.84
VALIDITY** 0.65 -- 0.59 0.69 0.61
  1. * Cronbach's coefficient alpha
  2. ** Pearson product-moment correlation between NLS and S-TOFHLA scores. Group 2 did not complete the S-TOFHLA.