Highlights
- •High baseline pain was associated with better adherence over 12 weeks in participants with thumb base osteoarthritis (OA).
- •Baseline function was not associated with adherence over the same period.
- •Strategies to improve adherence should be targeted to those reporting lower baseline pain as they may be less likely to adhere.
- •Future research should evaluate the validity and reliability of adherence measures for thumb base OA interventions.
Abstract
Background
Thumb osteoarthritis (OA) is a common and disabling condition. Adherence to prescribed
conservative interventions may affect outcomes of thumb OA trials.
Purpose
The aim of the study was to determine whether baseline pain and hand function is associated
with treatment adherence over 12 weeks in participants with thumb base OA.
Study design
Observational cohort study nested within a randomized-controlled trial.
Methods
Ninety-four participants from the intervention group were included in the analysis.
Baseline pain and function were assessed using a 100 mm Visual Analogue Scale and
the Functional Index for Hand Osteoarthritis questionnaire (0-30), respectively. Participants
received a combination of treatments including education, orthosis, hand exercises,
and topical anti–inflammatory gel. Adherence was measured using a daily self-reported
diary. Participants were classified as non–adherent, partially adherent or fully adherent
if they completed none, 1 and/or 2 or all 3 of the interventions as prescribed. Ordinal
logistic regression modelling was performed.
Results
At 12-week follow-up, half of the participants were fully adherent to the treatments
(n = 46, 48.9%), 30.9% of participants were partially adherent (n = 29) and 20.2% were non–adherent (n = 19, 20.2%). High baseline pain was a significantly associated with better adherence
in the unadjusted model [OR = 3.15, 95% CI (1.18, 8.42)] and adjusted model [OR = 3.20,
95% CI (1.13, 8.20)]. Baseline function was not associated with adherence [OR = 1.03,
95% CI (0.47, 2.23)].
Conclusion
High baseline pain was associated with better adherence in participants with thumb
base OA. Higher baseline functional impairment was not associated with better adherence.
Keywords
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JHT Read for Credit
Quiz: # 860
Record your answers on the Return Answer Form found on the tear-out coupon at the back of this issue or to complete online and use a credit card, go to JHTReadforCredit.com. There is only one best answer for each question.
- # 1.Program adherence was assessed at approximately __________ post initiation of treatment
- a.1 month
- b.1 year
- c.12 weeks
- d.6 weeks
- a.
- # 2.What % of the patients were considered compliant/adherent with their treatment
- a.50
- b.75
- c.95
- d.25
- a.
- # 3.There was a significant positive correlation between
- a.gender and program adherence
- b.age and program adherence
- c.baseline function and program adherence
- d.high baseline pain and program adherence
- a.
- # 4.EULAR guidelines include
- a.retrograde massage
- b.steroid injection
- c.topical NSAIDs
- d.topical corticosteroid cream and ultrasound (phonophoresis)
- a.
- # 5.The protocol included 4 face-to-face hospital visits
- a.not true
- b.true
- a.
When submitting to the HTCC for re-certification, please batch your JHT RFC certificates in groups of 3 or more to get full credit.
Article info
Publication history
Published online: May 12, 2021
Accepted:
April 30,
2021
Received in revised form:
April 6,
2021
Received:
December 7,
2020
Identification
Copyright
© 2021 Elsevier Inc. All rights reserved.
