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Table 1 Socio-demographic characteristics of participants (N = 404,%)

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

Socio-demographic characteristics

Controls (n = 202)

Cases (n = 202)

P values

Age

0.061

Mean ± SD

45.35 ± 6.765

47.75 ± 6.17

 

 ≤34

14 (6.9)

7 (3.5)

 

 35–41

39 (19.3)

25 (12.4)

 

 42–48

76 (37.6)

72 (36.6)

 

 49–55

62 (30.7)

78 (39.0)

 

 ≥56

11 (5.4)

18 (9.0)

 

BMI

0.132

 Underweight (<18.5)

17 (8.5)

19 (9.5)

 

 Normal weight (18.5–24.9)

143 (71.1)

156 (78.4)

 

 Overweight (25–29.9)

33 (16.4)

21 (10.6)

 

 Obesity (≥30)

8 (4)

3 (1.5)

 

Occupational type

0.589

 Full-time

119 (59.5)

113 (55.9)

 

 Part-time

14 (7.0)

22 (10.9)

 

 Housewife

66 (33.0)

66 (32.7)

 

 Others

1 (0.5)

1 (0.5)

 

Educational level

0.063

 Primary

21 (10.4)

24 (11.9)

 

 Secondary

92 (45.5)

115 (56.9)

 

 Tertiary or above

87 (43.1)

62 (30.7)

 

 Others

2 (1.0)

1 (0.5)

 

Marital status

0.389

 Single

33 (16.3)

25 (12.4)

 

 Married or cohabited

155 (76.7)

158 (78.2)

 

 Divorced

14 (6.9)

19 (9.4)

 

Family tumor history

0.318

 Yes

87 (43.1)

97 (48.0)

 

 No

115 (56.9)

105 (52.0)

 
  1. BMI body mass index. The following factors are related to breast cancer incidence and were measured by the questionnaire: age, race, BMI, educational level, marital status, religion, family tumor history, and occupation. The two groups were comparable on these factors, although no significant between-group differences were found