Abstract:
INTRODUCTION:The objective of this randomized controlled trial (RCT) was to quantify the effects of eight weeks of World Health Organization and American College of Sports Medicine guidelines-based resistance exercise training (RET) among participants meeting criteria for subclinical, or analogue-GAD (AGAD) METHODS: Forty-four participants (mean age (y): 25.4.6±4.9.2) were randomized to either an eight-week, fully-supervised, one-on-one RET intervention or wait-list control. AGAD status was determined using validated cut-scores for both the Psychiatric Diagnostic Screening Questionnaire-GAD subscale (≥6) and Penn State Worry Questionnaire (≥45). Remission, based on change in AGAD status, was assessed post-intervention, and quantified with number needed to treat (NNT). Primary analyses focused on participants missing outcome data at ≤1 time point (RET: n=12, Wait-list: n=15). RM-ANCOVA examined differences between RET and wait-list across time. Simple effects analysis decomposed significant interactions. Hedges' d quantified magnitude of differences in change between conditions over time. RESULTS:Attendance was 81% and compliance to the RET was 77%. Participants significantly increased strength (all d≥1.24, p≤0.006) with no adverse events. RET improved AGAD status (NNT=3, 95%CI: 2 to 7). Significant group X time interactions were found for worry (F(3,66) = 3.12, p≤0.043; d=0.93, 95%CI: 0.13 to 1.73) and anxiety symptoms (F(3,57.84)=2.91, ε=0.88, p≤0.045; d=0.71, 95%CI: -0.08 to 1.49). RET significantly reduced worry (mean difference=-6.49, p≤0.045) and anxiety symptoms (mean difference=-10.50, p≤0.001). LIMITATIONS:Limitations include a small sample size, and lack of attention-matched control condition. CONCLUSION:RET significantly improved AGAD severity, and elicited large, clinically meaningful improvements in worry and anxiety symptoms among young adults with AGAD.
journal_name
J Affect Disordjournal_title
Journal of affective disordersauthors
Gordon BR,McDowell CP,Lyons M,Herring MPdoi
10.1016/j.jad.2020.12.020subject
Has Abstractpub_date
2021-02-15 00:00:00pages
153-159eissn
0165-0327issn
1573-2517pii
S0165-0327(20)33109-8journal_volume
281pub_type
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