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Table 2 Multivariate logistic regression analysis concerning having regret in the treatment decision-making process

From: Correlates of regret with treatment decision-making among Japanese women with breast cancer: results of an internet-based cross-sectional survey

  All participants BCS TM
Characteristic AOR 95% CI AOR 95% CI AOR 95% CI
Age
 < 50 years 1 (ref) 1 (ref) 1 (ref)
  ≥ 50 years 0.95 (0.57–1.70) 0.65 (0.32–1.31) 1.60 (0.59–4.37)
Age at diagnosis
  ≤ 40 years 1 (ref) 1 (ref) 1 (ref)
 41–50 years 0.61 (0.33–1.10) 0.91 (0.42–1.98) 0.19 (0.06–0.61)**
 > 50 0.44 (0.21–0.94)* 0.54 (0.20–1.45) 0.19 (0.04–0.87)*
Marital status
 Married 1 (ref) 1 (ref) 1 (ref)
 Other 1.53 (0.96–2.44) 1.54 (0.86–2.74) 1.81 (0.77–4.23)
Education
  ≤ High school 1 (ref) 1 (ref) 1 (ref)
 > High school 1.13 (0.73–1.77) 1.03 (0.59–1.82) 1.46 (0.64–3.30)
Household income
 < ¥5,000,000 1 (ref) 1 (ref) 1 (ref)
  ≥ ¥5,000,000 1.11 (0.71–1.73) 1.00 (0.57–1.73) 1.40 (0.61–3.24)
I do not know/ I do not want to share 1.01 (0.57–1.77) 1.03 (0.51–2.09) 1.09 (0.38–3.13)
Employment status
 Full time 1 (ref) 1 (ref) 1 (ref)
 Contract/ part–time 0.51 (0.29–0.89)* 0.41 (0.20–0.82)* 0.82 (0.29–2.28)
 Others 0.64 (0.37–1.11) 0.64 (0.33–1.26) 0.74 (0.28–1.97)
Time since diagnosis
  ≤ 5 years 1 (ref) 1 (ref) 1 (ref)
 > 5 years 1.07 (0.69–1.67) 1.09 (0.63–1.90) 1.16 (0.49–2.74)
Cancer stage
 0 1 (ref) 1 (ref) 1 (ref)
 I 0.94 (0.52–1.70) 0.95 (0.45–2.01) 0.79 (0.26–2.42)
 II 0.80 (0.41–1.56) 0.75 (0.32–1.78) 0.77 (0.23–2.57)
Surgery type
 Breast conserving surgery 1 (ref)     
 Total mastectomy 2.10 (1.11–3.98)*     
Radiation therapy
 No 1 (ref) 1 (ref) 1 (ref)
 Yes 1.69 (0.90–3.17) 1.61 (0.70–3.69) 1.99 (0.68–5.87)
Chemotherapy
 No 1 (ref) 1 (ref) 1 (ref)
 Yes 1.26 (0.79–2.01) 1.25 (0.70–2.24) 1.48 (0.63–3.45)
Hormone
 No 1 (ref) 1 (ref) 1 (ref)
 Yes 1.15 (0.73–1.80) 1.30 (0.71–2.38) 0.88 (0.41–1.91)
Preferred decision-making role
 Active 1 (ref) 1 (ref) 1 (ref)
 Collaborative 1.04 (0.65–1.68) 0.77 (0.42–1.40) 1.65 (0.67–4.06)
 Passive 0.90 (0.42–1.93) 0.95 (0.37–2.45) 0.63 (0.15–2.67)
Perceived decision-making role
 Active 1 (ref) 1 (ref) 1 (ref)
 Collaborative 0.54 (0.32–0.90)* 0.76 (0.40–1.43) 0.24 (0.09–0.68)**
 Passive 0.99 0.53–1.84 0.99 (0.46–2.15) 1.12 (0.34–3.67)
Decisional congruence
 Incongruence 1 (ref) 1 (ref) 1 (ref)
 Congruence 0.70 (0.45–1.10) 0.56 (0.32–0.98)* 1.13 (0.49–2.61)
  1. AOR adjusted odds ratio, CI confidence interval, ref. reference group
  2. *p < .05; **p < .001