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. 2022 Aug 8;17(8):e0272649. doi: 10.1371/journal.pone.0272649

Table 2. Study characteristics.

Author (year), Country Study design Sample characteristics
N Race/ethnicity Age (mean, SD) Tx
Roberts et al.,1994 (USA) Secondary analysis 135 women with breast cancer NR 56.2
(SD = 11.9)
Surgery (100%)
Neuling et al., 1988 (Australia) Longitudinal 58 women with breast cancer NR Median = 54 Surgery (100%)
Koopman et al., 1998 (USA) Cross-sectional 102 women with metastatic and/or recurrent breast cancer White (88.2%); Asian-American (4.9%); African-American (1%); Hispanic/Latina (2%); Native American (2%); Other (2%) 53.1
(SD = 10.8)
CTx (52%); Hormone (76.5%)
Lee et al., 2004 (Korea) Cross-sectional 134 women receiving chemotherapy for breast cancer Korean (100%) 45.29 (SD = 8.75) CTx (100%)
Maly et al., 2005 (USA) Cross-sectional 222 women with newly diagnosed breast cancer White (64%); African-American (12%); Latina (23%); Other (1%) 66.7
(SD = 7.9)
Surgery (31.5%); RTx (40%); CTx (37.4%)
Palesh et al., 2006 (USA) Cross-sectional 82 women recently diagnosed with breast cancer stage 0-III NR 57.4
(SD = 11.5)
Surgery
(mastectomy, 43%;
lumpectomy, 79.3%);
CTx (50%); RTx (59.8%);
Hormone (42.7%)
Friedman et al., 2006 (USA) Cross-sectional 81 women with breast cancer African-American; Hispanic; White (% NR) 52
(SD = 10.2)
Surgery (74%); CTx (88.9%)
Porter et al., 2006 (USA) Secondary analysis 524 women with breast cancer White (70.6%); African-American (29.4%) 64.5
(SD = 8.9)
Surgery (98.6%); CTx (23%); RTx (27%); Hormone (28%)
Kim & Morrow, 2007 (USA) Secondary analysis 539 women with breast cancer White (94%) 51 CTx (100%)
Nausheen & Kamal, 2007 (Pakistan) Cross-sectional 82 Pakistani women with breast cancer Pakistan (100%) 42.5 Surgery (90%)
Von Ah & Kang, 2008 (USA) Longitudinal 49 American women with newly breast cancer stage 0-III White (61%); African-American (29%); Asian-American (4%); Hispanic-American (2%); Native American (4%) 52.3
(SD = 9.6)
CTx+RTx (51%)
Gellaitry et al., 2010 (UK) RCT 80 women with breast cancer
(n = 38 intervention group)
NR 58.4
(SD = 10.8)
Surgery (100%); CTx (53%); RTx (100%); Hormone (82%)
Gorman et al., 2010 (USA) Cross-sectional 131 women with early-stage breast cancer White (87.8%); Other (12.2%) 36.7
(at diagnosis)
CTx (88.6%); RTx (55.7%)
Hasson-Ohayon et al., 2010 (Israel) Cross-sectional 150 dyads of women with breast cancer stage III-IV and their spouses Israel (100%) Patients:
53.15 (SD = 10.28)
Mostly not on active treatment
Kim et al., 2010 (USA) Cross-sectional 231 undeserved women with breast cancer White (62.3%); African-American (35.9%); other minorities (1.7%) 51 NR
Talley et al., 2010 (USA) Secondary analysis 163 women with breast cancer White (94.5%); Black (2.5%); Other (1.8%) 57.33
(SD = 11.22)
NR
Cohen et al., 2011 (Israel) Cross-sectional 56 women with breast cancer (stage I-III) Arabs (100%) 50.6
(SD = 8.7)
NR
Hill et al., 2011 (UK) Longitudinal 260 women with breast cancer NR 151 patients aged 51–64 years Surgery (100%)
Lee et al., 2011 (Korea) Secondary analysis 286 women with breast cancer stage I-III Korean (100%) 47
(SD = 10)
Breast Conserving Surgery (82.5%); Mastectomy (16.4%);
CTx (86.7%); RTx (82.5%);
Hormone (82.2%)
Liu et al., 2011 (China) Cross-sectional 401 women with breast cancer Chinese (100%) 46.9
(SD = 10.1)
NR
Boinon et al., 2012 (France) Cross-sectional 113 women with breast cancer NR 52.8
(SD = 10.17)
Surgery (31%)
Jones et al., 2012 (Canada) Cross-sectional 131 women with early-stage breast cancer NR 54.6
(SD = 9.13)
Surgery (96.9%)
CTx (57.3%); RT (51.1%)
Mallinckrodt et al., 2012 (USA) Longitudinal 154 women with breast cancer White non-Hispanic (97%); African-American (2.6%); Hispanic (0.6%) 58.97
(SD = 12.33)
CTx+RTx (19%); CTx (32%); RTx (18%)
Popoola & Adewuya, 2012 (Nigeria) Cross-sectional 124 women with breast cancer Nigerian (100%) NR Surgery (9.7%)
Surgery+CTx
(39.5%); Surgery+CTx+RTx
(50.8%)
So et al., 2013 (China) Secondary analysis 279 women with breast cancer Chinese (100%) NR NR
Waters et al., 2013 (USA) Secondary analysis 480 women with breast cancer stage 0-IIA White (81.5%); non-White (18.5%) 58.3
(SD = 10.6)
Surgery (100%); CTx (24.8%); RTx (60%); Hormone (51.3%)
Yi & Kim, 2013 (Korea) Cross-sectional 258 Korean women with breast cancer Korean (100%) 47.45
(SD = 7.37)
Surgery (98.8%);
CTx (83.3%); RTx (55.4%); Hormone (55%)
Boinon et al., 2014 (France) Longitudinal 102 women with breast cancer French (100%) 52.9
(SD = 10.2)
Surgery (31.4%);
CTx+RTx (100%)
Hasson-Ohayon et al., 2014 (Israel) Secondary analysis 150 women with advanced breast cancer Israel (100%) Younger:
45.67 (SD = 6.55)
Older:
62.16 (SD = 5.70)
NR
Hughes et al., 2014 (USA) Longitudinal 164 women with breast cancer stage 0-IIIA White (80.5%); Black (12.8%); Other (6.7%) 56.13
(SD = 11.47)
Surgery (32.9%); Surgery+RTx(27.4%);
Surgery+CTx (15.2%);
Surgery+RTx+CTx (23.8%)
Schleife et al., 2014 (Germany) Secondary analysis 107 women with breast cancer NR 56.4
(SD = 10.5)
Surgery (96%); CTx (98%)
Wang et al., 2014 (China) Cross-sectional 123 women with breast cancer Chinese (100%) 49.7
(SD = 9.6)
NR
Borstelmann et al., 2015 (USA) Secondary analysis 675 women with breast cancer stage I-III White (86%); Non-white (14%) 35.4 Surgery (84%); CTx (76%)
Ozkaraman et al., 2015 (Turkey) Cross-sectional 128 breast cancer patients NR 51.13
(SD = 8.48)
NR
Alfonsson et al., 2016 (Sweden) Longitudinal 833 women with breast cancer Sweden (100%) 60.6
(SD = 11.6)
CTx (38%);
Target-drug (8%)
Malicka et al., 2016 (Poland) Cross-sectional 25 women with breast cancer Polish (100%) 63.2
(SD = 7.0)
Surgery (100%)
Berhili et al., 2017 (Morocco) Cross-sectional 446 women with breast cancer NR 50
(SD = 8)
Surgery (21%); CTx (38%)
RTx (17%); Hormone (33%)
Fong et al., 2017 (Canada) Secondary analysis 157 women with breast cancer White (85%) 55
(SD = 11)
Lumpectomy (60.1%);
Mastectomy (57.8%);
CTx (63.6%); RTx (85%);
Hormone (52.6%)
Moon et al., 2017 (USA) Secondary analysis 661 women with newly diagnosed with breast cancer White (89%); Minority (9.8%); Not applicable (1.3%) 51.18
(SD = 9.05)
NR
Schellekens et al., 2017 (Canada) RCT 139 women with breast cancer stage I-III
(MBCR; n = 69 and SET; n = 70)
Canadian (100%) MBCR:
54.9
(SD = 9.2)
SET:
53.2
(SD = 9.8)
NR
Su et al., 2017 (Taiwan) Cross-sectional 300 women with breast cancer Taiwanese (100%) 48.16
(SD = 9.07)
RTx (58.7%);CTx (71.7%)
Hormone (70%); Target-drug (22.7%)
Thompson et al., 2017 (USA) Secondary analysis 227 African American women with breast cancer African American (100%) 56
(SD = 10)
Surgery (68.8%); CTx(49.6%)
RTx (77.4%); Hormone (63.1%)
Tomita et al., 2017 (Japan) Secondary analysis 157 women with breast cancer Japanese (100%) 59.08
(SD = 10.06)
Surgery (94.9%);CTx (50.3%);
RTx (65.6%);Hormone (75.8%)
Bright & Stanton, 2018 (USA) Longitudinal 130 women with breast cancer White (73.1%); Asian (9.2%); Latina (8.5%); African American (3.1%); Native American/Alaskan Native (0.8%); Other (5.4%) 54.2
(SD = 11.7)
Surgery (99.2%); Hormone (92.3%)
Schmidt et al., 2018 (Germany) Secondary analysis 225 women with breast cancer Germany (100%) 54.3
(SD = 9.5)
CTx (37.6%)
Escalera et al., 2019 (USA) Secondary analysis 151 Latinas with breast cancer stage 0-IIIc NR 50.5
(SD = 10.9)
Surgery (100%);CTx (16.6%); RTx (27.8%);CTx+RTx (39.7%)
Wondimagegnehu et al., 2019 (Ethiopia) Cross-sectional 428 women with breast cancer Ethiopian (100%) Median = 40 NR
Janowski et al., 2020 (Poland) Cross-sectional 70 women with breast cancer Polish (100%) 56.52
(SD = 14.18)
Surgery (100%)
Schmidt & Andrykowski
2004 (USA)
Cross-sectional 210 women with breast cancer White (91%); African-American (1.4%); Asian (1%); Latino/Hispanic (1%); Native American (0.5%); Other (4.3%) 47.4
(SD = 8.4)
Surgery (88.1%); CTx (26.2%); RTx (12.9%); CTx+RTx (52.9%)
Wong et al., 2018 (USA) Cross-sectional 96 Chinese American breast cancer survivors Chinese-American (100%) 54.54
(SD = 7.91)
NR
Lally et al., 2019 (USA) RCT 100 women within 0–2 months of first, stage 0-II breast cancer survivors White (93%); African-American (3%); American-Indian (1%); Asian (1%) 54.2
(SD = 9.9)
NR
Lueboonthavatchai, 2007 (Thailand) Cross-sectional 300 women with breast cancer NR NR 50.09
(SD = 11.01)
Mantani et al., 2007 (Japan) Cross-sectional 46 women with breast cancer stage I or II and their husbands Japanese (100%) Patients: 52.3
(SD = 10.5)
Surgery (100%)
CTx,RTx, hormone (87%)
Ashing-Giwa et al., 2013 (USA) Secondary analysis 232 women with Latina breast cancer stage 0-III Mexican (73%); Central-American (13%); South-American (9%); US-born Latinas (5%) 53 (SD = 10.6) Surgery (95%); CTx(70%); RTx (70%); Hormone
(66%)
Segrin et al., 2018 (USA) Cross-sectional 230 dyads of Latinas with breast cancer and their family caregivers White (85%); Hispanic (14%); Other (1%) Patients:
50.19
(SD = 10.4)
Caregivers: 44.20 (SD = 13.2)
Surgery (60%); CTx (82.6%)
RTx (27%); Hormone (14.8%)
Aguado Loi et al., 2013 (USA) Secondary analysis 68 Latinas diagnosed with breast cancer Latino/Hispanic (100%); 55.4
(SD = 10.4)
Surgery (95.6%); CTx (63.2%); RTx (48.5%);
Hormone (69.1%)
Giese-Davis & Hermanson, 2000 (USA) Cross-sectional 125 women with metastatic breast cancer White (87%); Asian-American (6%); Hispanic-Latina (2%); Native American (2%); African-American (1%); Other (2%) 53
(SD = 10.7)
NR
Manne et al., 2007 (USA) Secondary analysis 235 women with breast cancer and their significant others White (patients: 89% and partners: 91%) 50
(SD = 9.9)
Surgery (100%); CTx
(75%); RTx (13%)
Segrin et al., 2007 (USA) Secondary analysis 96 dyads of women with breast cancer stage I-III and their partners White (85%); Hispanic (14%); Other (1%) Patients:
54.11
(SD = 10.6)
Partners: 51.68
(SD = 14.8)
CTx (75%); RTx (54%); Hormone (36%)
Al-Zaben et al., 2015 (Saudi Arabia) Cross-sectional 49 married women with breast cancer Arabs (100%) 48.9
(SD = 7.1)
Surgery (89.8%); CTx(83.7%); RTx (57.1%)
Simpson et al., 2002 (Canada) RCT 89 women with breast cancer NR 49.3 (SD = 7.7) NR
Brothers & Andersen, 2009 (USA) Longitudinal 67 women with breast cancer White (93%); African-American (7%) 54
(SD = 11)
Surgery (28%); CTx (43%); RTx (19%); Hormone (39%)
Gagliardi et al., 2009 (Italy) Cross-sectional 47 women with breast cancer at low or intermediate high risk Italian (100%) 54.28
(SD = 8.4)
Surgery (100%)
Puigpinos-Riera et al., 2018 (Spain) Secondary analysis 2235 women with breast cancer Spanish (100%) NR NR
Wang et al., 2019 (USA) Cross-sectional 436 women with breast cancer stage 0-III Chinese (100%) 21–50 yrs (27.52%),
51–64 yrs (48.17%),
65 or older yrs (24.31%)
NR
Debretsova &Derakshan., 2021 (UK) Cross-sectional 59 women with breast cancer stage IV NR 49.97 (SD = 9.17) Surgery (80%); CTx(34%); RTx(10%); Hormone(71%)
Fisher et al., 2021 (Germany) Cross-sectional 327 women with breast cancer stage I-III White (62.1%); Black (29.7%); Two or more races (2.8%); Asian (2.8%); American Indian or Alaskan Native (0.3%); NR (1.5%) 57.19 (SD = 11.87) Surgery (100%); CTx (8.3%); RTx (10.8%)
Liu et al., 2021 (China) Cross-sectional 389 women with breast cancer Chinese (100%) ≤35yrs(11.3%); 35-50(43.7%);50-65(39.3%);>65(5.7%) NR
Zamanian et al., 2021 (Iran) Cross-sectional 223 women with breast cancer Persian (100%) 47.14 (SD = 9.13) Surgery (69.7%)
Okati-Aliabad et al., 2022 (Iran) Cross-sectional 120 Women with breast cancer stage I-IV Persian (100%) 47.35 (SD = 10.67) Surgery (87.5%); CTx (94.2%); RTx (64.2%)

*NR = Not reported; CTx = Chemotherapy; RTx = Radiation therapy