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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Clin Trials. 2016 Sep 23;14(1):94–102. doi: 10.1177/1740774516669352

Table 2.

Difference in adjusted mean knowledge scores between arms

Animated
videos		 Slideshows
with voiceover		 Comics Text
Slideshows
with voiceover 		1.6
(p=.1137)		 -- -- --
Comics 1.6
(p=.1139)		 3.2**
(p=.0015)		 -- --
Text 3.9**
(p=.0001)		 5.5**
(p<.0001)		 2.3*
(p=.0215)		 --
Control 8.8**
(p<.0001)		 10.3**
(p<.0001)		 7.2**
(p<.0001)		 4.9**
(p<.0001)

Tukeys t-test standardized range (least square difference) *p≤.05; **p≤.0001 controlling for ethnicity (Hispanic/Latino), education, and income