Table 1. Regression Analysis Results of Influence of Key Variables on Change in Anxiety and on Functional Impairmenta.
Anxiety During Online Symptom-Checking (CGI) | ||||
Model | Predictor Variables | β | sr2 | |
Continuous | R2 = .14* | WI scores* | .34 | .09 |
Age* | -.09 | .01 | ||
Gender | -.05 | .00 | ||
Ethnicity | .06 | .00 | ||
Years of Education | .04 | .00 | ||
Medically Stable* | -.08 | .01 | ||
# hrs/day/month | .03 | .00 | ||
Dichotomous | R2 = .08* | WH vs. WL* | .19 | .03 |
Age* | -.10 | .01 | ||
Gender | -.04 | .00 | ||
Ethnicity | .07 | .00 | ||
Years of Education | .04 | .00 | ||
Medically Stable | -.06 | .00 | ||
# hrs/day/month* | .11 | .01 | ||
Anxiety After Online Symptom-Checking (CGI) | ||||
Model | Predictor Variables | β | sr2 | |
Continuous | R2 = .21* | WI scores* | .41 | .14 |
Age* | -.08 | .01 | ||
Gender | .02 | .00 | ||
Ethnicity | .03 | .00 | ||
Years of Education | .05 | .00 | ||
Medically Stable* | -.10 | .01 | ||
# hrs/day/month* | .10 | .01 | ||
Dichotomous | R2 = .13* | WH vs. WL* | .26 | .06 |
Age* | -.85 | .01 | ||
Gender | .02 | .00 | ||
Ethnicity | .03 | .00 | ||
Years of Education | .05 | .00 | ||
Medically Stable | -.07 | .00 | ||
# hrs/day/month* | .18 | .03 | ||
Functional Impairment (SDS) | ||||
Model | Predictor Variables | β | sr2 | |
Continuous | R2 = 27* | WI scores* | .41 | .15 |
Age | .04 | .00 | ||
Gender | -.06 | .00 | ||
Ethnicity | .03 | .00 | ||
Years of Education | -.05 | .00 | ||
Medically Stable* | -.12 | .01 | ||
# hrs/day/month* | .18 | .03 | ||
Dichotomous | R2 = .15* | WH vs. WL* | .17 | .03 |
Age | .04 | .00 | ||
Gender | -.09 | .00 | ||
Ethnicity | .06 | .00 | ||
Years of Education | -.06 | .00 | ||
Medically Stable* | -.10 | .01 | ||
# hrs/day/month* | .27 | .07 |
Note:
p<.05
WI= Whiteley Index; WH= above 30 points on the WI; WL= 30 or below points on the WI; “# hrs/day/month”= Total number of hours spent checking physical symptoms online on the “worst day in the past month”; SDS = Sheehan Disability Scale; CGI = Clinicians Global Impressions-Improvement scale; Regressions including WI df = 618, Regressions including SDS df = 356).