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Table 3 Multinomial regression models predicting moderately active and active groups compared to the inactive group after reading messages

From: Believability of messages about preventing breast cancer and heart disease through physical activity

   Breast Cancer Model Heart Disease Model
Model Fit Χ2 = 27.63 (df = 16)* Χ2 = 46.23 (df = 16)***
Goodness of fit Pearson Χ2 = 240.51 (df = 174)*** Pearson Χ2 = 21.63 (df = 174)*
Variance accounted for Nagelkerke pseudo R-square = .285 Nagelkerke pseudo R-square = .435
LTPA group Predictor Exp(B) 95% confidence interval Exp(B) 95% confidence interval
Moderately Active Intentions 1.33 .96–1.84 1.37 .97–1.94
Affective attitudes 1.87* 1.14–3.06 1.60 .98–2.62
Message involvement 0.68 .27–1.72 .91 .36–2.31
Explicit believability 0.79 .34–1.88 1.03 .43–2.47
Physical activity BCI 1.14 .85–1.51 1.48* 1.0–2.21
Risk BCI 1.04 .87–1.23 .95 .80–1.14
Like me BCI 1.04 .88–1.22 1.10 .89–1.36
Blame BCI 1.26 .95–1.66 1.05 .86–1.28
Active Intentions 1.58** 1.14–2.18 1.61** 1.13–2.31
Affective attitudes 1.88** 1.17–3.01 1.98** 1.20–3.28
Message involvement 0.58 .24–1.38 0.41 .15–1.12
Explicit believability 0.89 .39–2.04 1.62 .66–4.00
Physical activity BCI 1.12 .86–1.45 2.59** 1.51–4.44
Risk BCI 1.04 .89–1.22 1.00 .83–1.20
Like me BCI 1.04 .90–1.21 1.24* 1.00–1.54
Blame BCI 1.25 .95–1.63 1.11 .91–1.35
  1. BCI Belief Confidence Index
  2. *p < .05, ** p < .01, *** p < .001