Patients’ awareness about their own breast cancer characteristics

Table 4 Models for knowing about their cancer characteristics for surveyed patients

	“Knowing” analysis [odds ratio (95% confidence interval)]
	Stage	Grade	ER status	HER2 status
Age at diagnosis, yr
< 50	1	1	1	1
50-59	0.48 (0.26-0.91)	1.56 (0.77-3.14)	0.49 (0.26-0.92)	0.37 (0.19-0.74)
60-69	0.34 (0.15-0.79)	0.32 (0.07-1.43)	0.23 (0.09-0.60)	0.24 (0.08-0.68)
≥ 70	0.45 (0.09-2.35)	1.90 (0.33-10.97)	0.20 (0.02-1.98)	0.24 (0.03-2.19)
Marriage status
Married	1	1	1	1
Unmarried or other	0.68 (0.17-2.79)	1.22 (0.24-6.25)	2.79 (0.55-14.16)	4.79 (0.94-24.39)
Educational attainment
Primary school or below	1	1	1	1
Junior high school	3.36 (1.60-7.05)	5.02 (1.39-18.11)	2.10 (0.96-4.59)	3.05 (1.12-8.29)
Senior high school	5.18 (2.34-11.47)	5.22 (1.43-19.12)	4.07 (1.80-9.21)	8.41 (3.09-22.88)
University or above	7.26 (2.62-20.15)	7.30 (1.82-29.30)	7.41 (2.58-21.29)	17.08 (5.22-55.92)
Insurance coverage
Yes	1	1	1	1
No	2.28 (0.92-5.62)	0.96 (0.36-2.52)	15.25 (3.51-66.21)	1.77 (0.78-4.01)
Health literacy
Average	0.44 (0.31-0.62)	0.57 (0.41-0.79)	0.68 (0.50-0.92)	0.68 (0.50-0.93)

ER: Estrogen receptor; HER2: Human epidermal growth factor receptor 2.