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Table 5 Pre-disaster odds ratios for patient delay (univariate regressions)

From: Breast cancer patient delay in Fukushima, Japan following the 2011 triple disaster: a long-term retrospective study

Variable Odds Ratio (95% CI) Patients analyzed (No.)
Hospital   122
 Watanabe Hospital Ref. 108
 Minamisoma Municipal General Hospital 1.28 (0.32–5.02) 14
Distance from hospital 1.02 (0.96–1.08) 122
Referral from other medical providers   122
 No Ref. 67
 Yes 1.99 (0.78–5.10) 55
Days from first medical consultation to first examination 1.00 (0.98–1.02) 122
Residential areaa   122
 Non-evacuation zone of So-so District Ref. 13
 Voluntary evacuation zone 2.69 (0.32–22.56) 71
 Mandatory evacuation zone 3.20 (0.36–28.42) 38
Age   122
 –50] Ref. 25
 (50–65] 0.82 (0.23–2.94) 41
 (65– 0.87 (0.26–2.87) 56
Engaged in a full-time job   122
 No Ref. 98
 Yes 1.25 (0.41–3.82) 24
Number of cohabitant family members   117
 0–1 Ref. 44
 2–3 1.95 (0.58–6.55) 40
 More than 4 2.50 (0.73–8.50) 33
Living with a partner   116
 No Ref. 50
 Yes 1.01 (0.39–2.63) 66
Living with children   116
 No Ref. 44
 Yes 0.99 (0.37–2.62) 72
Lump   122
 No Ref. 16
 Yes 0.95 (0.25–3.65) 106
Hormone receptor   117
 Negative Ref. 37
 Positive 1.19 (0.42–3.37) 80
Stage   122
 0 Ref. 11
 1 2.22 (0.24–20.83) 33
 2 1.71 (0.19–15.51) 48
 3 or 4 3.64 (0.40–33.12) 30
ASA physical classification system   122
 Normal healthy patient Ref. 59
 Patient with mild systemic disease 1.39 (0.52–3.74) 50
 Patient with severe systemic disease 1.67 (0.38–7.27) 13
Body mass index (kg/m2)   118
 –25] Ref. 75
 (25–30] 1.37 (0.46–4.07) 29
 (30– 2.10 (0.56–7.81) 14
History of benign breast disease   122
 No Ref. 115
 Yes 0.75 (0.09–6.53) 7
Undertook mammography screening within past two years   122
 No Ref. 107
 Yes 2.65 (0.80–8.72) 15
Family history of any cancer   118
 No Ref. 68
 Yes 1.64 (0.63–4.22) 50
  1. aThis indicates place of residence at the time of first medical consultation