Patients’ awareness about their own breast cancer characteristics

Table 5 Models for correctness of knowing about their cancer characteristics for surveyed patients

	“Correctness” analysis [odds ratio (95% confidence interval)]
	Stage	Grade	ER	HER2
Age at diagnosis, yr
< 50	1	1	1	1
50-59	0.35 (0.18-0.70)	0.81 (0.30-2.23)	0.46 (0.24-0.86)	0.45 (0.23-0.88)
60-69	0.32 (0.12-0.84)	0.31 (0.04-2.47)	0.20 (0.07-0.54)	0.30 (0.10-0.86)
≥ 70	0.55 (0.10-3.13)	3.71 (0.62-22.17)	0.20 (0.02-1.98)	-
Marriage status
Married	1	1	1	1
Unmarried or other	0.53 (0.10-2.69)	1.14 (0.13-9.68)	2.88 (0.56-14.61)	5.46 (1.07-27.79)
Educational attainment
Primary school or below	1	1	1	1
Junior high school	3.83 (1.52-9.65)	2.42 (0.48-12.21)	2.19 (0.99-4.87)	2.59 (0.94-7.09)
Senior high school	4.96 (1.94-12.71)	2.86 (0.57-14.47)	3.91 (1.72-8.90)	7.14 (2.63-19.43)
University or above	10.18 (3.47-29.84)	6.56 (1.26-34.09)	9.73 (3.23-29.36)	12.00 (3.78-38.09)
Insurance coverage
Yes	1	1	1	1
No	2.54 (1.14-5.70)	0.59 (0.13-2.65)	15.80 (3.64-68.62)	1.59 (0.71-3.56)
Health literacy
Average	0.66 (0.49-0.88)	0.51 (0.33-0.79)	0.73 (0.54-0.98)	0.76 (0.56-1.04)

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