Table 1 Uni-factorial analyses and distribution of socio-demographic factors
From: Survival analysis of 1148 women diagnosed with breast cancer in Southern Iran
Unifactorial analysis | Â | Distribution of factors | ||
|---|---|---|---|---|
| Â | Hazard ratio (95%CI) | p | Numbers | % |
Area of residence | Â | Â | 1148* | 100 |
   Affluent | 1 | 0.179 | 213 | 19 |
   Middle | 1.12 (0.79–1.58) |  | 590 | 51 |
   Deprived | 1.36 (0.95–1.94) |  | 345 | 30 |
Family income | Â | Â | 1143 | 99 |
   Low & poor | 1 | 0.031 | 426 | 37 |
   Moderate | 0.88 (0.69–1.13) |  | 669 | 58 |
   High | 0.44 (0.22–0.87) |  | 48 | 4 |
Occupation | Â | Â | 1148 | 100 |
   Housewife | 1 | 0.853 | 898 | 78 |
   Non-manual | 0.92 (0.67–1.28) |  | 199 | 17 |
   Manual | 1.07 (0.63–1.80) |  | 51 | 4 |
Education | Â | Â | 661 | 57 |
   Illiterate | 1 | 0.939 | 203 | 18 |
   Primary | 1.01 (0.65–1.58) |  | 223 | 19 |
   High school | 1.15 (0.71–1.85) |  | 148 | 13 |
   University | 1.00 (0.58–1.74) |  | 87 | 7 |
Smoking | Â | Â | 1145 | 100 |
   Non-smoker | 1 | 0.009 | 904 | 79 |
   Smoker | 1.44 (1.09–1.89) |  | 241 | 21 |
Marital status | Â | Â | 1147 | 100 |
   Single | 1 | 0.056 | 104 | 9 |
   Married | 0.64 (0.44–0.93) |  | 936 | 82 |
   Divorced & Widowed | 0.77 (0.46–1.28) |  | 107 | 9 |
Blood group | Â | Â | 408 | 36 |
   O | 1 | 0.739 | 153 | 13 |
   A | 1.18 (0.71–1.95) |  | 105 | 9 |
   B | 1.32 (0.80–2.19) |  | 100 | 9 |
   AB | 1.08 (0.53–2.20) |  | 45 | 4 |
BMI (Body Mass Index) | Â | Â | 951 | 83 |
   <25 | 1 | 0.784 | 509 | 44 |
   25–30 | 1.10 (0.82–1.47) |  | 317 | 28 |
   >30 | 1.09 (0.72–1.66) |  | 125 | 11 |
No. of children | Â | Â | 1143 | 100 |
   ≤ 3 | 1 | 0.218 | 571 | 50 |
   4–8 | 0.95 (0.74–1.22) |  | 518 | 45 |
   >8 | 1.87 (1.18–2.96) |  | 54 | 5 |
Age at diagnosis | Â | Â | 1118 | 97 |
   ≤ 35 years | 1 | 0.499 | 172 | 15 |
   36–49 years | 0.96 (0.67–1.37) |  | 519 | 45 |
   50–64 years | 1.02 (0.69–1.50) |  | 342 | 30 |
   ≥ 65 years | 1.35 (0.82–2.22) |  | 85 | 7 |
Age at first pregnancy | Â | Â | 122 | 11 |
   ≤ 18 years | 1 | 0.081 | 55 | 5 |
   19–25 years | 0.30 (0.08–1.06) |  | 47 | 4 |
   >25 years | 0.21 (0.03–1.66) |  | 20 | 2 |
OCP use | Â | Â | 255 | 22 |
   ≤ 3 years | 1 | 0.869 | 80 | 7 |
   >3 years | 0.96 (0.59–1.57) |  | 175 | 15 |
Ethnicity | Â | Â | 1140 | 99 |
   Fars | 1 | 0.821 | 1006 | 88 |
   Non-Fars | 1.04 (0.73–1.48) |  | 134 | 12 |
Religion | Â | Â | 1147 | 100 |
   Islam (Shia) | 1 | 0.931 | 1031 | 90 |
   Islam (Sunni) | 0.93 (0.65–1.32) |  | 110 | 9.5 |
   Others | 1.23 (0-.) |  | 6 | 0.05 |
Menarche age | Â | Â | 938 | 82 |
   ≤ 13 years | 1 | 0.934 | 561 | 49 |
   >13 years | 0.99 (0.75–1.30) |  | 377 | 33 |
History of BC in SDR | Â | Â | 1148 | 100 |
   No | 1 | 0.758 | 996 | 87 |
   Yes | 0.94 (0.65–1.36) |  | 152 | 13 |
History of BC in FDR | Â | Â | 1148 | 100 |
   No | 1 | 0.22 | 881 | 77 |
   Yes | 0.83 (0.62–1.11) |  | 267 | 23 |
Duration of breast feeding | Â | Â | 205 | 18 |
   ≤ 3 years | 1 | 0.175 | 78 | 7 |
   4–6 years | 2.03 (0.96–4.29) |  | 68 | 6 |
   >6 years | 1.62 (0.71–3.69) |  | 59 | 5 |