European journal of oncology nursing : the official journal of European Oncology Nursing Society · 2026
Effects of a group intervention on social isolation in patient-spousal caregiver dyads coping with colorectal cancer: A randomized controlled trial.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Wang Can, Mao Jiayu, Qiu Xiaoke, Yang Xueli, Lin Yi, Zhao Jie, Li Qiuping
Аннотация
PURPOSE: To validate the efficacy of a previously developed couple-based group intervention in addressing social isolation (SI) among couples coping with colorectal cancer (CRC), building on prior feasibility evidence.
METHODS: A single-site randomized controlled trial was conducted at a tertiary hospital in Wuxi, China, and enrolled 170 CRC patient-spousal caregiver dyads. Dyads were randomized to the intervention group (N = 85, standard care plus 6-week couple-based group intervention: 1 in-person plus 5 online sessions) or control group (N = 85, standard care only). Data were collected at baseline and post-intervention, with SI as the primary outcome, and health status, dyadic coping, and social support as secondary outcomes. Multilevel modeling (MLM) was used for analysis.
RESULTS: 145 dyads completed post-intervention assessment (retention rate: 85.3%). MLM showed significant medium effects for perceived SI (B = 2.32, Cohen's d = 0.55, 95% CI [0.37, 0.73], P < 0.001) and structural SI (B = -1.66, Cohen's d = 0.52, 95% CI [0.34, 0.70], P < 0.001). Significant Time×Group interactions were observed for physical (PCS: B = -4.35, Cohen's d = 0.41, 95% CI [0.23, 0.59], P < 0.001) and mental (MCS: B = -4.17, Cohen's d = 0.42, 95% CI [0.24, 0.60], P < 0.001) health (small-to-medium effects). Dyadic coping had a medium effect (B = -4.58, Cohen's d = 0.52, 95% CI [0.34, 0.70], P < 0.001), social support had a small significant effect (B = -1.38, Cohen's d = 0.28, 95% CI [0.09, 0.46], P = 0.003). A significant Time×Group×Role interaction was found for perceived SI (B = -1.24, Cohen's d = 0.21, 95% CI [0.02, 0.39], P = 0.027), with caregivers showing greater improvement.
CONCLUSION: The intervention improved SI, health status, dyadic coping, and social support post-intervention. Long-term efficacy remains unknown; follow-up studies (3-6 months) are needed.
METHODS: A single-site randomized controlled trial was conducted at a tertiary hospital in Wuxi, China, and enrolled 170 CRC patient-spousal caregiver dyads. Dyads were randomized to the intervention group (N = 85, standard care plus 6-week couple-based group intervention: 1 in-person plus 5 online sessions) or control group (N = 85, standard care only). Data were collected at baseline and post-intervention, with SI as the primary outcome, and health status, dyadic coping, and social support as secondary outcomes. Multilevel modeling (MLM) was used for analysis.
RESULTS: 145 dyads completed post-intervention assessment (retention rate: 85.3%). MLM showed significant medium effects for perceived SI (B = 2.32, Cohen's d = 0.55, 95% CI [0.37, 0.73], P < 0.001) and structural SI (B = -1.66, Cohen's d = 0.52, 95% CI [0.34, 0.70], P < 0.001). Significant Time×Group interactions were observed for physical (PCS: B = -4.35, Cohen's d = 0.41, 95% CI [0.23, 0.59], P < 0.001) and mental (MCS: B = -4.17, Cohen's d = 0.42, 95% CI [0.24, 0.60], P < 0.001) health (small-to-medium effects). Dyadic coping had a medium effect (B = -4.58, Cohen's d = 0.52, 95% CI [0.34, 0.70], P < 0.001), social support had a small significant effect (B = -1.38, Cohen's d = 0.28, 95% CI [0.09, 0.46], P = 0.003). A significant Time×Group×Role interaction was found for perceived SI (B = -1.24, Cohen's d = 0.21, 95% CI [0.02, 0.39], P = 0.027), with caregivers showing greater improvement.
CONCLUSION: The intervention improved SI, health status, dyadic coping, and social support post-intervention. Long-term efficacy remains unknown; follow-up studies (3-6 months) are needed.