Table 1

 Health systems

ReferralParticipationLong term behavioural change
Positive predictorNegative predictorNot a predictorPositive predictorNegative predictorNot a predictorPositive predictorNegative predictorNot a predictor
NA, not applicable
Physician’s endorsement5001200000
Male physician100000000
Ease of physical access and transportation001921NANANA
Long distance to CRP010050NANANA
Length of CRP000010100