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. 2023 Mar 1;2:100145. doi: 10.1016/j.pecinn.2023.100145

Table 1.

Study characteristics.

Author (year) Objective Country Participants Cancer type and stage Baseline distress/burden levels
Mean (SD)
Assessment used Supportive care and personnel Theory/model
Abdullahzadeh et al[49] (2021) To illustrate the efficacy of a designed family-need-based program on relieving stress, anxiety, and depression of family caregivers of leukemia patients Iran Female= 71.9%
Treatment: (n= 32, mean age= 39 years)
Control: (n= 32, mean age= 40.3 years)
Race: N/A
Relationship with the patient: Spouse/partner (50%),
Children (19%)
Leukemia- All stages Treatment= 31.16 (4.14)
Control= 31.09 (4.48)
DASS-42 Peer support, support group
Personnel: Nurse researchers
N/A
Applebaum et al[41] (2017) Evaluate feasibility, acceptability, and preliminary efficacy of the CCC workshop among ICs across the US through a pilot RCT United States of America (USA) Female- 86%
Treatment: (n= 42, mean age= 48.3 years)
Control: (n= 42, mean age= 51.9 years)
Race: White (86%)
Relationship with the patient: Spouse/partner (61%), Parent (13%), Children (15%), Sibling (4%)
Blood cancer and breast cancer- All stages Treatment= 137.2 (19.8)
Control= 140.6 (22.1)
24-item Caregiver reaction assessment Webcasts
Personnel: N/A
N/A
Aubin et al[48] (2021) To assess the feasibility and preliminary effects of an intervention to improve FC supportive care Canada Female- 72.5%
Treatment: (n=54)
Control: (n=55)
Mean age= 61.8 years
Race: N/A
Relationship with the patient: Spouse/partner (78%), Parent (19%), Other-children, siblings (11%)
Lung cancer Treatment= 12.3 (7.8)
Control 10.4 (7.1)
Hospital Anxiety and Depression Scale Informational aids
Personnel: Family physicians
And Oncology nurses
N/A
Belgacem et al[47] (2013) Assess the efficacy of a caregiver educational program by measuring two outcomes: patients and caregivers’ quality of life and caregivers’ burden France Female- 58.5%
Treatment: (n= 33, mean age= 56.6 years)
Control: (n= 34, mean age= 62.5 years)
Race: N/A
Relationship with the patient: Spouse/partner (61%), Parent (9%), Children (17%), Sibling (9%), Friend (3%)
Hematological Treatment= 23.5 (14.4)
Control= 28.5 (14.6)
22-item ZBI Nursing care, welfare care Personnel: Oncology nurses, N/A
Chen et al[53] (2019) To examine the effect of a reminiscence therapy (RT) intervention on the spousal caregivers of elderly patients with advanced cancer China Male- 51.9%
Treatment: (n= 27, mean age= 69.1 years)
Control: (n= 29, mean age= 66.3 years)
Race: Asian
Relationship with the patient: Spouse/partner (50%)
Advanced solid- Stage IV Treatment= 39.22 (15.01)
Control= 41.31 (8.69)
22-item ZBI N/A Positive psychology theory
Ferrell et al[67] (2020) To test a palliative care support intervention for oncology family caregivers USA Female- 80%
Treatment: (n=117)
Control (n=123),
Mean age=65 years
Race: White (49%)
Relationship with the patient: Spouse/partner (64%), Children (23%)
Solid tumors- Stage IV Treatment= 48.9 (8.26)
Control= 50.3 (8.07)
Caregiver burden scale Selfcare plan and informational aids
Personnel: Registered nurses
Family caregiver quality of life
Heckal et al[42] (2018) Test the efficacy of a telephone outcall program to reduce caregiver burden and unmet needs, and improve psychological well-being among cancer caregivers, evaluate the potential impact on patient outcomes Australia Female- 63%
Treatment: (n= 108, mean age= 56.3 years)
Control: (n= 108, mean age= 57.2 years)
Race: N/A
Relationship with the patient: Spouse/partner (77.3%)
Other- parent, children, friend (21%)
Solid tumors- Stage I to III Treatment= 18.99 (12.15)
Control= 18.05 (12.10)
22-item ZBI Education and counseling
Personnel: Oncology nurses
N/A
Mosher et al[44] (2019) Examine the feasibility and preliminary effects of telephone based ACT for symptomatic, advance lung cancer patients and their distressed family caregivers USA Female-76%
Treatment: (n= 25, mean age= 61.64 years)
Control: (n= 25, mean age= 52.40 years)
Race: White (84%)
Relationship with the patient: Spouse/partner (72%)
Other family member (28%)
Advanced lung cancer
Stage III or IV
Treatment= 4.12 (0.46)
Control= 4.12 (0.46
One-item Distress Thermometer N/A Acceptance and commitment therapy model
Mosher et al[45] (2018) Examine whether adding a peer helping component to a coping skills intervention leads to improved meaning in life and peace for advanced gastrointestinal cancer patients and their caregivers USA Female- 64%
Treatment: (n= 25, mean age= 55.32 years)
Control: (n= 25, mean age= 52.40 years)
Race: White (88%)
Relationship with the patient: Spouse/partner (76%)
Other family member (24%)
Advanced
gastrointestinal cancer
Stage IV
Treatment= 14.36 (7.44)
Control= 14.64 (8.40)
12-item short form of the ZBI N/A Social Cognitive Theory
Nejad et al[46] (2016) Determine and compare the caregiver strain index scores of breast cancer informal caregivers, before and after a patient-caregiver educational and telephone follow-up program Iran
Treatment: (n= 30, mean age= 40 years)
Control: (n= 30, mean age= NA)
Race:
Relationship with the patient: Spouse/partner (41%), Children (31%), Siblings (15%), Parents (5%), Other (5%)
Breast cancer
Stage: N/A
Treatment= 4.8 (2.3)
Control= 7.8 (2.8)
12-item caregiver strain index questionnaire N/A N/A
Pensak et al[54] (2021) To help caregivers of
oncology patients manage distress
USA Female- 73%
Treatment: (n= 26, mean age= 53.3 years)
Control: (n= 30 mean age= 55 years)
Race: White (92%)
Relationship with the patient: Spouse/partner (76%)
Solid tumors- Stage I Treatment= 13.60 (4.52)
Control= 23.46 (5.51)
Perceived stress scale Support groups
Personnel: social workers
Cognitive Behavioral Stress Management

CCC= Care for the Cancer Caregiver, DASS= Scale for stress, anxiety, and depression, IC= Informal caregiver, RCT= Randomized clinical trial, ACT= Acceptance and Commitment Therapy, ZBI= Zarit Burden Interview, BSI= Brief Symptom Inventory.