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Table 1 Patient characteristics (n = 228)

From: Health literacy and blood glucose among Guyanese emergency department patients without diagnosed diabetes: a cross-sectional study

Characteristics SILS ≥ 3 SILS < 3 p-value
(Low health Literacy n = 103) n = 125
Age in years, mean (sd) 46.2 (11.5) 46.7 (12.5) 0.78**
Female, no. (%) 65 (52.0) 60 (57.1) 0.34*
Ethnicity, no. (%)    
Afro-Guyanese 38 (36.9) 59 (47.2) 0.85***
Amerindian 7 (6.8) 3 (2.4)  
Indo-Guyanese 38 (36.9) 26 (20.8)  
Mixed 20 (19.4) 37 (29.6)  
Education level no. (%)    
None 9 (8.7) 3 (2.4) <0.001***
Primary 50 (48.5) 33 (26.8)  
Secondary 41 (39.8) 67 (54.5)  
Tertiary 3 (2.9) 20 (16.3)  
BMI, mean (sd) 25.2 (6.2) 25.9 (7.3) 0.80**
Prior testing for DM, no. (%) 39 (37.9) 51 (40.8) 0.65*
Family history of DM, no. (%) 43 (41.8) 44 (35.2) 0.31*
Reported history of HTN, no. (%) 22 (21.4) 28 (22.4) 0.85*
Hyperlipidemia, no. (%) 16 (15.5) 15 (12.0) 0.43*
Physically active, no. (%) 90 (87.4) 108 (86.4) 0.83*
RBG, mmol/l, mean (sd) 7.12 (3.5) 6.5 (2.1) 0.20**
  N = 98 N = 122  
HbA1c, mmol/mol (sd) 39.1 (8.1) 37.9 (7.3) 0.43**
HbA1c ≥48 mmol, no. (%) 7 (7.1) 2 (1.6) 0.04*
  1. Abbreviations: SILS, single item literacy screener; sd, standard deviation; no, number; BMI, body mass index; DM, diabetes mellitus; HTN, hypertension.
  2. *by Chi squared test;**by Kruskall-Wallis test; ***by nonparametric test for trend.