Relationship between Chinese medicine dietary patterns and the incidence of breast cancer in Chinese women in Hong Kong: a retrospective cross-sectional survey

Table 4 Odds ratio and its corresponding 95% confidence intervals of having breast cancer by eating different food

	Controls N = 202	Cases N = 202	OR	95% CI	P value
Shrimp
Average	84	73	1.00	Reference
Much preferred	13	44	3.90	1.95–7.79	<0.001 *
Preferred	53	60	1.30	0.80–2.12	0.285
Not preferred	38	19	0.58	0.31–1.08	0.086
Not preferred much	14	5	0.41	0.14–1.20	0.094
Shellfish
Average	97	73	1.00	Reference
Much preferred	9	31	4.58	2.05–10.21	<0.001*
Preferred	37	56	2.01	1.20–3.36	0.007*
Not preferred	48	39	1.08	0.64–1.82	0.773
Not preferred much	11	3	0.36	0.10–1.35	0.116
Soft drinks
Average	65	72	1.00	Reference
Much preferred	3	10	3.01	0.79–11.41	0.092
Preferred	10	30	2.71	1.23–5.97	0.011*
Not preferred	92	65	0.64	0.40–1.01	0.056
Not preferred much	31	24	0.70	0.37–1.31	0.264
Milk
Average	91	90	1.00	Reference
Much preferred	10	25	2.53	1.15–5.57	0.018*
Preferred	49	37	0.76	0.46–1.28	0.306
Not preferred	35	43	1.24	0.73–2.12	0.425
Not preferred much	17	7	0.42	0.17–1.05	0.058
Popcorn/fries
Average	79	86	1.00	Reference
Much preferred	3	15	4.59	1.28–16.46	0.011*
Preferred	34	32	0.87	0.49–1.53	0.618
Not preferred	57	46	0.74	0.45–1.22	0.235
Not preferred much	29	23	0.73	0.39–1.36	0.321
Nuts
Average	64	88	1.00	Reference
Much preferred	39	26	0.49	0.27–0.88	0.016*
Preferred	84	65	0.56	0.36–0.89	0.013*
Not preferred	10	18	1.31	0.57–3.02	0.528
Not preferred much	5	5	0.73	0.20–2.62	0.745
Products made from bean
Average	39	67	1.00	Reference
Much preferred	53	39	0.43	0.24–0.76	0.003*
Preferred	103	87	0.49	0.30–0.80	0.004*
Not preferred	5	8	0.93	0.29–3.05	1.000
Not preferred much	2	1	0.29	0.026–3.32	0.555

A statistically significant OR (odds ratio) >1 indicates a risk factor; an OR <1 indicates a prevention factor
* indicates a statistically significant between-group diference

ISSN: 1749-8546