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