marginally significantp = .05
The within-group improvements over time were statistically marginally significant (p = .05) for EDUC only (Table 2 ).
The within-group improvements over time were statistically marginally significant (p = .05) for EDUC only (Table 2 ).
Of the other baseline characteristics, no obvious differences were seen except for a small trend towards non-responders being generally younger, men and smokers (data not shown).