Participation in questionnaire studies among couples affected by breast cancer

Helene Terp, Nina Rottmann, Pia Veldt Larsen, Mariët Hagedoorn, Henrik Flyger, Niels Kroman, Christoffer Johansen, Susanne Dalton, Dorte Gilså Hansen

11 Citationer (Scopus)

Abstract

OBJECTIVE: Participation bias may be a problem in couple-based psychosocial studies. Therefore, it is important to investigate the characteristics associated with participation. The aim of this study was to analyze whether participation in a longitudinal psychosocial questionnaire study among couples affected by breast cancer was associated with socioeconomic, breast cancer-specific, and other health-related characteristics of the patients and partners.

METHODS: The analyzes are based on 2254 couples who were invited to participate in a nationwide survey on psychosocial adjustment among couples dealing with breast cancer. Participating couples (N = 792) were compared with non-participating couples (N = 1462) with regard to socioeconomic and health-related characteristics obtained from nationwide clinical and administrative registers.

RESULTS: Associations were seen between various socioeconomic variables and couple participation. The patient characteristics older age (OR = 0.15 [95 % CI = 0.07-0.55]), low education (OR = 1.95 [95 % CI = 1.46-2.68]), disability pension (OR = 0.59 [95 % CI = 0.39-0.55]), or non-western ethnicity (OR = 0.36 [95 % CI = 0.15-0.82]) reduced couple participation. The partner characteristics older age (OR = 0.23 [95 % CI = 0.15-0.43]), low education (OR = 1.67 [95 % CI = 1.25-2.22]), receiving disability pension (OR = 0.46 [95 % CI = 0.25-0.82]), non-western ethnicity (OR = 0.17 [95 % CI = 0.06-0.49]), or high morbidity (OR = 0.76 [95 % CI = 0.60-0.96]) also reduced couple participation. Furthermore, couples with low income (OR = 1.49 [95 % CI = 1.16-1.95]) had reduced participation. No associations were found between couple participation and breast cancer-related variables.

CONCLUSIONS: Socioeconomic characteristics of patients and partners, and morbidity of partners may influence participation in couple-based psychosocial breast cancer research. Breast cancer-related characteristics do not seem to influence participation.

OriginalsprogEngelsk
TidsskriftSupportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer
Vol/bind23
Udgave nummer7
Sider (fra-til)1907-16
ISSN0941-4355
DOI
StatusUdgivet - 2015

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