From: Consumer response to media information: the case of grapefruit-medicine interaction
Variable (Dependent variable) | Variable description and codea | Sample (N = 3,504) % | U.S. Census % | |
---|---|---|---|---|
Media expose (Y1) | =1 if | Respondents have been exposed to grapefruit/grapefruit juice news over the past month | 15.8 | NA |
Gender | =1 if | Male | 45.0 | 48.5b |
Age | N | Mean = 46.1 (Standard deviation = 15.7), range = 18 to 76 | - | - |
Household income | =1 if | Under $25,000 | 28.1 | 25.7 |
=2 if | $25,000 to $49,999 | 32.0 | 24.7 | |
=3 if | $50,000 to $74,999 | 19.4 | 17.7 | |
=4 if | $75,000 or more | 20.6 | 31.9 | |
Education | =1 if | Less than high school | 2.6 | 12.9 |
=2 if | High school and some college | 63.0 | 57.2c | |
=3 if | College and more | 34.4 | 29.9c | |
Trust | =1 if | Respondents somewhat agree/agree/strongly agree that they trust health information they hear on TV news or read on internet news | 55.5 | NA |
Influence | =1 if | Respondents somewhat agree/agree/strongly agree that health information from TV or internet news influences their consumption behavior | 49.2 | NA |
Search | =1 if | Respondents somewhat agree/agree/strongly agree that if they hear new health information from news sources (like the TV or internet), they usually search for more information | 60.4 | NA |
Yes-warning | =1 if | The medications come with warnings about grapefruit or grapefruit juice of respondents who take prescribed medication | 14.7 | NA |
No-warning | =1 if | The medications come with no warnings (or unsure) about grapefruit or grapefruit juice of respondents who take prescribed medication | 43.2 | NA |
Occasionally cons. | =1 if | less than once a month or once a month | 45.7 | NA |
Frequently cons. | =1 if | 2-3 times a month, once a week, 2–3 times a week or daily | 17.9 | NA |
Subsample (N = 552)d % | ||||
Consumption changes (Y2) | =0 if | Respondents consumed less than before | 10.9 | |
=1 if | Respondents did not change their consumption | 72.3 | ||
=2 if | Respondents consume more than before | 16.9 | ||
Positive tone | =1 if | Respondents recalled the news was positive | 35.5 | |
Negative tone | =1 if | Respondents recalled the news was negative | 27.4 | |
Positive freq | N | Frequency of positive news (0 to 8), mean =1.5 | - | |
Negative freq | N | Frequency of negative news (0 to 8), mean =1.3 | - | |
Old news | =1 if | Respondents already knew of grapefruit-medicine interaction | 40.4 | |
New news | =1 if | The news of grapefruit-medicine interaction was new for respondents | 24.5 |