BMJ Open. 2022 Feb 21;12(2):e049647. doi: 10.1136/bmjopen-2021-049647.

ABSTRACT

OBJECTIVES: The Strengthening Families Programme 10-14 (SFP10-14) is a USA-developed universal group-based intervention aiming to prevent substance misuse by strengthening protective factors within the family. This study evaluated a proportionate universal implementation of the adapted UK version (SFP10-14UK) which brought together families identified as likely/not likely to experience/present challenges within a group setting.

DESIGN: Pragmatic cluster-randomised controlled effectiveness trial, with families as the unit of randomisation and embedded process and economic evaluations.

SETTING: The study took place in seven counties of Wales, UK.

PARTICIPANTS: 715 families (919 parents/carers, 931 young people) were randomised.

INTERVENTIONS: Families randomised to the intervention arm received the SFP10-14 comprising seven weekly sessions. Families in intervention and control arms received existing services as normal.

OUTCOME MEASURES: Primary outcomes were the number of occasions young people reported drinking alcohol in the last 30 days; and drunkenness during the same period, dichotomised as ‘never’ and ‘1-2 times or more’. Secondary outcomes examined alcohol/tobacco/substance behaviours including: cannabis use; weekly smoking (validated by salivary cotinine measures); age of alcohol initiation; frequency of drinking >5 drinks in a row; frequency of different types of alcoholic drinks; alcohol-related problems. Retention: primary analysis included 746 young people (80.1%) (alcohol consumption) and 732 young people (78.6%) (drunkenness).

RESULTS: There was no evidence of statistically significant between-group differences 2 years after randomisation for primary outcomes (young people’s alcohol consumption in the last 30 days adjusted OR=1.11, 95% CI 0.72 to 1.71, p=0.646; drunkenness in the last 30 days adjusted OR=1.46, 95% CI 0.83 to 2.55, p=0.185). There were no statistically significant between-group differences for other substance use outcomes, or those relating to well-being/stress, and emotional/behavioural problems.

CONCLUSIONS: Previous evidence of effectiveness was not replicated. Findings highlight the importance of evaluating interventions when they are adapted for new settings.

TRIAL REGISTRATION NUMBER: ISRCTN63550893.Cite Now.

PMID:35190414 | DOI:10.1136/bmjopen-2021-049647


Source: ncbi 2

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