Table 3: Health information sources and number thereof by health literacy level.

Overall ( )Functional health literacy
Low; 1~2.2 ( )Middle; 2.3~3.0 ( )High; 3.1~4.0 ( )

People
 Family250 (40.5)102 (46.2)68 (35.2)80 (39.2)ns
 Friend240 (38.8)89 (40.3)77 (39.9)74 (36.3)ns
Organization/medical procedure
 Medical institution316 (51.1)105 (47.5)111 (57.5)100 (49.0)ns
 Medical check-up#230 (37.2)62 (28.1)84 (43.5)84 (41.2)**
 Complete medical check-up#23 (3.7)3 (1.4)9 (4.7)11 (5.4)
 Health consultation service108 (17.5)20 (9.0)46 (23.8)42 (20.6)***
 Community society30 (4.9)6 (2.7)12 (6.2)12 (5.9)ns
 Community senior club111 (18.0)27 (12.2)41 (21.2)43 (21.1)*
Electronic media
 Television529 (85.6)180 (81.4)161 (83.4)188 (92.2)**
 Radio76 (12.3)23 (10.4)27 (14.0)26 (12.7)ns
 Video/DVD 5 (0.8)0 (0.0)1 (0.5)4 (2.0)
 Internet6 (1.0)0 (0.0)4 (2.1)2 (1.0)
Printed media
 Book/magazine168 (27.2)23 (10.4)59 (30.6)86 (42.2)***
 Newspaper353 (57.1)83 (37.6)123 (63.7)147 (72.1)***
 Public newsletter168 (27.2)39 (17.6)61 (31.6)68 (33.3)***
 Circular notice151 (24.4)43 (19.5)52 (26.9)56 (27.5)ns
 Other5 (0.8)1 (0.5)1 (0.5)3 (1.5)
 None10 (1.6)10 (4.5)0 (0.0)0 (0.0)
Number of sources ***

Data are (%) or means ± SD. There are missing values on some items. * , ** , *** .
was used for categorical variables, while analysis of variance (ANOVA) was used for continuous variables.
The number of sources was calculated using the ANOVA with the post hoc least significant difference test. The low functional health literacy group used less information sources than the middle ( ) and high ( ) functional health literacy groups.
—Not examined due to too few responses.
#A “medical check-up” refers to health-care services typically provided by a health insurance organization (in public health service), while a “complete medical check-up” is provided by private hospitals that operate in private practice.