Table 1.

Mean number and duration of telephone calls to patients in active intervention treatment groups

Treatment group	Mean No of telephone calls*	Mean duration of telephone calls
Minimum intervention	3.56	18.5 minutes
Telephone intervention	9.22	29.4 minutes
Maximum intervention	4.52	18.4 minutes

^*Includes the two planned calls to review progress at three and six months in the minimum and maximum intervention groups and the seven planned calls in the telephone intervention group.