Addiction recovery groups are voluntary associations of people who share a common desire to overcome drug addiction. Different groups use different methods, ranging from completely secular to explicitly spiritual. Some programs may advocate a reduction in the use of illegal drugs rather than outright abstention, although this is typically not a sustainable treatment plan in the long term. One survey of members found active involvement in any addiction recovery group correlates with higher chances of maintaining sobriety. The survey found group participation increased when the individual members' beliefs matched those of their primary support group (often people will be members of multiple addiction recovery groups). Analysis of the survey results found a significant positive correlation be