Table 5 Multivariate HR and 95% CI for the association between breast cancer risk factors and 10-year all-cause mortality and 5-year recurrence among women with luminal A-like subtype breast cancer

 Chinese

1.00 (reference)

1.00 (reference)

 Malay

1.14 (0.59, 2.20)

0.81 (0.29, 2.27)

 Native

0.87 (0.41, 1.85)

0.90 (0.35, 2.29)

 P value

0.95

0.74

  ≤ 12 yrs

1.00 (reference)

1.00 (reference)

 13 yrs

1.45 (0.70, 3.01)

1.69 (0.59, 4.81)

 14 yrs

1.23 (0.52, 2.92)

2.64 (0.87, 7.99)

  ≥ 15 yrs

2.28 (1.05, 4.95)

3.52 (1.10, 11.23)

 P value

0.06

0.02

 Nulliparous

1.00 (reference)

1.00 (reference)

 Parous and No BF

0.61 (0.26, 1.42)

0.53 (0.17. 1.59)

 Parous and BF

0.48 (0.27, 0.85)

0.28 (0.13, 0.64)

 P value

0.01

0.002

  < 21 yrs

1.00 (reference)

1.00 (reference)

 21–24.9 yrs

0.85 (0.31, 2.31)

0.40 (0.06, 2.28)

 25–30 yrs

0.71 (0.27, 1.82)

1.26 (0.30, 5.22)

  > 30 yrs

0.20 (0.04, 0.90)

0.26 (0.02, 3.09)

 P value

0.06

0.95

 No

1.00 (reference)

1.00 (referent)

 Yes

1.68 (0.91, 3.10)

0.75 (0.28, 2.02)

 P value

0.10

0.57

 18.5–24.9 kg/m²

1.00 (reference)

1.00 (reference)

  < 18.5 kg/m²

3.46 (1.21, 9.89)

4.31 (0.94, 19.83)

 P value

0.02

0.06

 25–29.9 kg/m²

3.14 (1.04, 9.50)

4.74 (1.00, 22.64)

 P value

0.04

0.05

  ≥ 30 kg/m²

1.38 (0.39, 4.86)

2.16 (0.34, 13.78)

 P value

0.61

0.41