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Table 6 Multivariate predictors of non-adherence relative to consistent re-participation

From: Behavioural and demographic predictors of adherence to three consecutive faecal occult blood test screening opportunities: a population study

Variable

Drop out n = 129a

Intermittent re-participation n = 67a

Delayed entry n = 163a

Consistent refusal n = 300a

 

RR

p

95% CI

RR

p

95% CI

RR

p

95% CI

RR

p

95% CI

Social cognitive

Barriers

1.05

.032

(1.00-1.10)

      

1.01

.620

(0.98-1.03)

Benefits

         

0.97

.231

(0.91-1.02)

Self-efficacy

0.97

.047

(0.94-1.00)

      

0.97

.004

(0.95-0.99)

Response efficacy

         

0.93

.004

(0.88-0.98)

Social support

         

1.01

.452

(0.99-1.04)

Social influence

         

0.97

.281

(0.93-1.02)

Background

Known CRC (yes) b

         

0.88

.173

(0.73-1.06)

Discussed FOBT (yes) b

1.02

.917

(0.71-1.47)

      

0.97

.806

(0.77-1.23)

Known a screener (yes) b

0.86

.390

(0.60-1.22)

   

0.72

.029

(0.53-0.97)

0.73

.010

(0.58-0.93)

GP visits

   

0.80

.015

(0.67-0.96)

      

Knowledge (incorrect) c

         

1.07

.573

(0.85-1.33)

Other screening (yes) b

         

0.88

.168

(0.73-1.06)

 

SR past FOBT (yes) b

0.66

.042

0.44-0.98

      

0.59

<.001

(0.45-0.77)

Demographic

Age

0.98

.157

(0.94-1.01)

0.93

.007

(0.88-0.98)

0.94

<.001

(0.91-0.97)

0.98

.011

(0.96-0.99)

 

Workforce (yes) b

1.38

.116

(0.93-2.05)

1.05

.869

(0.60-1.82)

1.21

.302

(0.84-1.75)

1.25

.064

(0.99-1.57)

 

Married (yes) b

0.77

.133

(0.54-1.09)

      

0.82

.068

(0.67-1.02)

 

Private insurance (none) d

1.43

.076

(0.96-2.13)

         
 

Private insurance (ancillary only) d

1.57

.044

(1.01-2.43)

         
 

Private insurance (hospital only) d

0.75

.501

(0.33-1.73)

         
 

Gender (male) e

      

1.77

<.001

(1.32-2.38)

   
 

Disadvantage (1)

         

0.99

.926

(0.78-1.25)

 

Disadvantage (2)

         

0.87

.312

(0.66-1.14)

 

Disadvantage (3)

         

0.71

.031

(0.53-0.97)

 

Disadvantage (4) f

         

0.76

.098

(0.55-1.05)

  1. Note. RR = risk ratio; p = probability; significance level is p<.05, significant values in bold; 95% CI = confidence interval. Social cognitive variables, GP visits and age were measured on increasing, continuous scales.
  2. knowledge = response to knowledge item regarding the importance of repeated screening; Known CRC = known a person who has had CRC; Discussed FOBT = ever discussed FOBT screening; Known a screener = known a person who has screened for CRC; Other screening = ever participated in other (not CRC) screening tests; SR past FOBT = self-reported past FOBT use a Cases with missing data were removed list wise, group totals reported in the table report the number of participants included in each analysis. b Reference category is ‘no’ c reference category is ‘correct’ d reference category is ‘hospital and ancillary combined cover’; e Reference category is ‘female’; f Reference category is the fifth quintile of disadvantage (least disadvantage).
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BMC Public Health

ISSN: 1471-2458

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