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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