There were no statistical significant differences between BSFT and
TAU trajectories of family functioning, p = 0.69. The mean change in
family functioning was 0.15 in TAU and 0.30 in BSFT, effect size 0.25;
the mean at the last assessment was −0.03 for TAU and 0.09 for BSFT,
and effect size 0.16. BSFT adolescents whose parents used drugs at baseline
also scored higher on the agoraphobia scale when compared to the
TAU adolescents whose parents used drugs (p-value = 0.04), on the
obsessive compulsive disorder scale (p-value = 0.04); on total drug
days (p-value = 0.02); on the marijuana scale (p-value = 0.05); and
on number of days using Tranquilizers (p-value = 0.03).