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Table 1 T-tests and One-way ANOVA tests investigating differences in defensive avoidance and intention for potential categorical predictors

From: Psychological predictors of intention and avoidance of attending organized mammography screening in Norway: applying the Extended Parallel Process Model

Defensive avoidance

Intention to attend mammography

 

T-test

 

n

M

SD

t

CIsa

n

M

SD

t

CIsa

Place of residence

   

1.40

[− 0.03; 0.30]

   

 − 3.26**

[− 0.63; − 0.19]

 Urban

195

1.77

0.66

  

194

2.99

0.97

  

 Rural

74

1.65

0.57

  

73

3.40

0.74

  

Ethnicity

   

 − 4.37***

[− 0.60; − 0.22]

   

0.05

[− 0.25; 0.27]

 Ethnic Norwegian

211

1.65

0.60

  

209

3.10

0.94

  

 Migrant

56

2.06

0.68

  

56

3.09

0.90

  

Breast checks frequency

   

5.34***

[0.25; 0.55]

   

 − 3.00**

[− 0.55; − 0.13]

 Rarely or never

122

1.96

0.66

  

121

2.91

0.89

  

 Weekly to yearly

147

1.55

0.57

  

146

3.25

0.93

  

Education level

   

 − 2.18*

[− 0.32; − 0.03]

   

3.68**

[0.21; 0.63]

 High school or less

95

1.63

0.60

  

94

3.37

0.80

  

 Some form of higher education

172

1.80

0.66

  

171

2.95

0.95

  
 

One-way ANOVA

 

n

M

SD

F

Differences

n

M

SD

F

Differences

Financial security

   

1.25

    

0.20

 

 Less secure

24

1.93

0.69

  

24

3.00

1.02

  

 Same

145

1.71

0.61

  

143

3.13

0.91

  

 More secure

100

1.72

0.67

  

100

3.09

0.93

  

Mammography frequency

   

13.35***

R < Ib

   

82.62***

R > Id

 Regular

136

1.55

0.58

 

R < Nc

136

3.65

0.61

 

R > Ne

 Irregular

41

1.91

0.64

  

40

2.73

0.78

 

 Never

93

1.74

0.66

  

92

2.43

0.86

  1. R, regular; I, irregular; N, never
  2. aBCa bootstrap 95% confidence intervals (CIs) for mean differences between the groups of categorical predictors
  3. bMean difference =  − 0.36, BCa bootstrap 95% CIs [− 0.59; − 0.15]
  4. cMean difference =  − 0.40, BCa bootstrap 95% CIs [− 0.56; − 0.24]
  5. dMean difference = 0.93, BCa bootstrap 95% CIs [0.65; 1.19]
  6. e Mean difference = 1.22, BCa bootstrap 95% CIs [1.01; 1.41]
  7. *p < 0.05; **p < 0.01; ***p < 0.001