Table 3

Population level impacts of demographic and sociomental and physical health indicators associations on continuous abstinence

At month 3
PAR% (95% CI)
At month 6
PAR% (95% CI)
At month 12
PAR% (95% CI)
Kessler-10*
None (excellent) versus moderate/high/very high34% (34% to 46%)64% (50% to 76%)61% (46% to 74%)
Mental Health Score (SF-12)*
 Fourth quartile (excellent) versys first, second, third quartiles (others)84% (79% to 88%)80% (70% to 87%)65% (52% to 70%)
Physical Health Score (SF-12)†
 Fourth quartile (excellent) versus first, second, third quartiles (others)14% (5% to 35%)61% (47% to 75%)55% (40% to 69%)
Total illicit drugs used‡
 No drugs versus 1+ drug(s)36% (27% to 46%)34% (25% to 45%)25% (17% to 35%)
 Combined impact of modifiable factors
Scenario 1
 Kessler-10 (excellent)
 +mental health score (excellent)
90% (83% to 96%)92% (86% to 95%)75% (64% to 83%)
Scenario 2
 Anxiety/depression (excellent)
 +mental Health score (excellent)
 +physical health score (excellent)
 +no illicit drugs
93% (92% to 97%)98% (96% to 99%)88% (83% to 92%)
  • *SF-12 mental health: score <40, score 40–45, score 46–50 and score >50.

  • †SF-12 physical health: score <50, score 50–55, score 56–60 and score >60.

  • ‡12 months prior to the imprison.

  • SF-12, Short-Form 12.