Table 3: Effect of intervention, the rate ratios of abstinence for the whole 6-month followup and total number of alcohol-free months at the whole follow-up period among risky drinkers in two high prevalence communities.

Abstinence for the whole Total number of alcohol-free months  
6-month followupat the whole follow-up period
Rate ratios95% CIRate ratios95% CI

Control group11
Intervention group3.491.07–11.371.951.00–3.79
Current age: 19 years old11
Current age: 40 years old4.080.98–17.012.471.12–5.43