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Table 4 Regression models predicting comprehension and application

From: Effects of additional context information in prescription drug information sheets on comprehension and risk and efficacy perceptions

Characteristic

Comprehension outcome variables

Risks/side effects

Uses

Warnings

Application

B

(95% CI)

B

(95% CI)

B

(95% CI)

B

(95% CI)

Context

    

 Present

− 0.54***

(− 0.74, − 0.34)

− 0.06

(− 0.17, 0.05)

− 0.10

(− 0.21, 0.02)

− 0.07

(− 0.18, 0.04)

 Absent

REF

REF

REF

REF

Format

    

 Bubbles

− 0.14

(− 0.31, 0.04)

0.06

(− 0.05, 0.17)

0.01

(− 0.10, 0.13)

0.13*

(0.02, 0.24)

 OTC

REF

REF

REF

REF

Mode

    

 Online (Electronic handout)

− 0.23**

(− 0.41, − 0.06)

− 0.09

(− 0.21, 0.02)

− 0.34***

(− 0.46, − 0.22)

0.09

(− 0.03. 0.20)

 Mail (Print handout)

REF

REF

REF

REF

 Context × Mode

0.32**

(0.09, 0.54)

NA

NA

NA

 Context x Format

0.36**

(0.14, 0.58)

NA

NA

NA

Gender

    

 Male

− 0.17**

(− 0.29, − 0.05)

− 0.33***

(− 0.45, − 0.20)

− 0.18**

(− 0.30, − 0.05)

− 0.19**

(− 0.32. − 0.07)

 Female

REF

REF

REF

REF

Age

    

 < 50

REF

REF

REF

REF

 50–59

0.18*

(0.03, 0.33)

0.06

(− 0.09, 0.21)

0.05

(− 0.11, 0.20)

0.02

(− 0.12. 0.16)

 60–69

0.17*

(0.02, 0.32)

0.10

(− 0.05, 0.24)

0.12

(− 0.03, 0.28)

0.14

(− 0.01, 0.28)

 70 + 

− 0.08

(− 0.26, 0.11)

− 0.01

(− 0.19, 0.18)

− 0.05

(− 0.23, 0.14)

− 0.05

(− 0.28, 0.19)

Education

    

 High school or less

REF

REF

REF

REF

 Some college

− 0.05

(− 0.20, 0.09)

0.04

(− 0.11, 0.19)

0.13

(− 0.02, 0.28)

0.04

(− 0.11, 0.19)

 College or more

− 0.05

(− 0.20, 0.10)

0.22**

(0.07, 0.37)

0.23**

(0.07, 0.38)

0.10

(− 0.05, 0.25)

Race/ethnicity

    

 Non-Hispanic White

REF

REF

REF

REF

 Non-Hispanic Black

− 0.08

(− 0.30, 0.14)

− 0.38**

(− 0.58, − 0.17)

− 0.33**

(− 0.55, − 0.12)

− 0.16

(− 0.38, 0.05)

 Hispanic

− 0.17

(− 0.39, 0.04)

− 0.18

(− 0.41, 0.05)

− 0.26*

(− 0.50, − 0.02)

− 0.08

(− 0.32. 0.16)

 Other

− 0.04

(− 0.26, 0.19)

− 0.24

(− 0.48, 0.01)

− 0.25*

(− 0.48, − 0.02)

− 0.05

(− 0.28, 0.19)

Time since diagnosis

    

 < 6 months

− 0.22

(− 0.49, 0.05)

− 0.30*

(− 0.58, − 0.02)

− 0.26

(− 0.54, 0.01)

− 0.39**

(− 0.68, − 0.09)

 6–12 months

− 0.48***

(− 0.70, − 0.25)

− 0.70**

(− 0.98, − 0.41)

− 0.34**

(− 0.57, − 0.10)

− 0.36**

(− 0.61, − 0.11)

 1–5 years

− 0.18*

(− 0.32, − 0.04)

− 0.15*

(− 0.28, − 0.02)

− 0.09

(− 0.23, 0.05)

− 0.11

(− 0.24, 0.02)

 > 5 years

REF

REF

REF

REF

Subjective health literacy

0.19**

(0.08, 0.30)

0.22**

(0.11, 0.34)

0.19**

(0.07, 0.31)

0.29***

(0.17, 0.42)

Illness knowledge

0.05

(− 0.02, 0.11)

0.01

(− 0.05, 0.07)

− 0.03

(− 0.09, 0.04)

0.04

(− 0.02, 0.10)

  1. *p value < .05; **p value < .01; ***p value < .001
  2. NA Interaction did not significantly predict outcome variable, so we report the model that did not include this interaction