Variable Population, n=310 Knowledge Level ≥ 8.5n=16 Knowledge  Level<8.5, n=294 P value
Age (years) 59± 11.3 (29 - 88) 57.1 ± 4.9(53.0 -67) 59.1± 11.4 (29 - 88) 0.0382
Years with T2DM 10.4± 6.8 (0 - 35) 10.1 ± 8.3(2.0 -28) 10.4± 6.7 (0 - 35) 0.1839
Years within Mutual Help Group 3.8 ± 3.5(0.5 -20) 4.5 ± 4.3 (0.5 -16) 3.8 ± 3.4(0.5 - 20) 0.152
Blood glucose (mg/dl) 162.4 ± 74.5 (60-490) 122.1 ± 39.9 (83.0 -208) 164.6 ± 75.3 (60 - 490) 0.0066
Basic knowledge 5.4 ± 1.9(1 -10) 8.4 ± 1.4 (6.0 -10) 5.2 ± 1.7(1 - 10) 0.3887
Knowledge about control 5.4 ± 2.4(0 -10) 9.4 ± 0.7 (8.6 -10) 5.2 ± 2.2(0 - 10)  
Knowledge about complications 7.1 ± 1.5(0 -10) 8.5 ± 0.8 (7.1 -10) 6.9 ± 1.4(0 - 10) 0.0152
General knowledge 5.9 ± 1.5 (0.3-9.5) 8.7 ± 0.3 (8.5 - 9.5)  5.7 ± 1.4 (0.3 - 8.38) 0.0000
T2DM, type 2 diabetes mellitus
Data are presented as means ± SD (min-max), except P values.
Table 1: Results of diabetes knowledge.