Summary of analysis of adherence to exercise referral schemes (ERS)
| Predictive factors of ERS | ||||||||||||||
| Variables | Study | Overall summary | ||||||||||||
| Multivariate analysis | Bivariate analysis | |||||||||||||
| Sowden et al28 | Gidlow et al,24 James et al35 | James et al32 | Edmunds et al31 | Lord and Green27 | Dugdill et al23 | Isaacs et al17 | Jones et al26 | Morton et al33 | Number of studies on this factor | Any significant association | No significant association | |||
| Sample size | N=3565 | N=1996 | N=1315 | N=49 | N=419 | N=2696 | N=317 | N=119 | N=30 | + | – | |||
| Demographic | ||||||||||||||
| Gender (male vs female) | 0 | – | 0 | 0 | – | 5 | 0 | 2 | 2 | |||||
| Increasing age | + | + | + | 0/+* | + | 0 | 6 | 4/5 | 0 | 1/2 | ||||
| Deprivation | 0 | 0 | 0 | 3 | 0 | 0 | 3 | |||||||
| Rurality (urban vs rural) | 0 | 1 | 0 | 0 | 1 | |||||||||
| Occupation | 0 | 1 | 0 | 0 | 3 | |||||||||
| Leisure provider | 0 | 1 | 0 | 0 | 1 | |||||||||
| Referrer (GP vs other healthcare professionals) | 0 | + | 2 | 0 | 1 | 1 | ||||||||
| Ethnicity (white vs mixed) | + | 1 | 1 | 0 | 0 | |||||||||
| Psychosocial | ||||||||||||||
| Stage of change | 0 | 1 | 0 | 0 | 1 | |||||||||
| Self-efficacy | 0 | 1 | 0 | 0 | 1 | |||||||||
| Expectations of change (health and fitness) | 0 | 1 | 0 | 0 | 1 | |||||||||
| Expectations of change (personal development) | – | 1 | 0 | 1 | 0 | |||||||||
| Psychological well-being | 0 | 1 | 0 | 0 | 1 | |||||||||
| Need satisfaction | 0 | 1 | 0 | 0 | 1 | |||||||||
| Perceived autonomy, support | 0 | 1 | 0 | 0 | 1 | |||||||||
| Self-determination | 0 | + | 2 | 1 | 0 | 1 | ||||||||
+a positive statistically significant (p<0.05) association between variables and level of adherence (eg, increased age of participants was associated with increased levels of adherence); −, a negative statistically significant (p<0.05) association between variables and level of adherence (eg, increased age of participants was associated with decreased levels of adherence); 0, no statistically significant association between variable and level of adherence.
↵* Increasing age from 18 to 54 only, not for ≥55.