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Table 2 Baseline descriptive characteristics of the first 500 participants in the AMBER Study, Alberta, 2012-2014

From: The Alberta Moving Beyond Breast Cancer (AMBER) Cohort Study: Recruitment, Baseline Assessment, and Description of the First 500 Participants

Baseline characteristics

Calgary (n = 249)

Edmonton (n = 251)

Total (n = 500)

Age at diagnosis (n = 500)

56.4 ± 10.8

54.7 ± 10.3

55.5 ± 10.6

<50

64 (25.7 %)

86 (34.2 %)

150 (30.0 %)

50-59

85 (34.1 %)

78 (31.1 %)

163 (32.6 %)

60-69

71 (29.0 %)

74 (29.5 %)

145 (29.0 %)

70+

29 (11.7 %)

13 (5.2 %)

42 (8.4 %)

Marital status (n = 471)

   

Married/common law

154 (68.1 %)

191 (78.0 %)

345 (73.2 %)

Not married

72 (31.9 %)

54 (22.0 %)

126 (26.8 %)

Education (n = 471)

   

≤High school

51 (22.6 %)

55 (22.4 %)

106 (22.5 %)

≥University

175 (77.4 %)

190 (77.6 %)

365 (77.5 %)

Income (n = 443)

   

< $50 000

37 (17.5 %)

30 (12.9 %)

67 (15.1 %)

$50 000–$100 000

72 (34.1 %)

77 (33.2 %)

149 (33.6 %)

$100 000–$150 000

34 (16.1 %)

64 (27.6 %)

98 (22.1 %)

> $150 000

68 (32.2 %)

61 (26.3 %)

129 (29.1 %)

Ethnicity (n = 471)

   

Caucasian

198 (87.6 %)

197 (80.4%)

395 (83.9 %)

Other

28 (12.4 %)

48 (19.6%)

76 (16.1 %)

Menopausal status (n = 448)

   

Premenopausal

76 (36.2 %)

99 (41.6%)

175 (39.1 %)

Postmenopausal

134 (63.8 %)

139 (58.4%)

273 (60.9 %)

Weight, kg (n = 492)

73.5 ± 16.6

72.4 ± 15.0

72.9 ± 15.8

Body mass index, kg/m2 (n = 492)

27.2 ± 5.7

27.1 ± 5.3

27.2 ± 5.5

Normal weight (<25 kg/m2)

102 (41.8 %)

97 (39.1 %)

199 (40.4 %)

Overweight (25–30 kg/m2)

81 (33.2 %)

88 (35.5 %)

169 (34.3 %)

Obese (>30 kg/m2)

61 (25.0 %)

63 (25.4 %)

124 (25.2 %)

First degree family history of breast cancer (n = 457)

   

≥ one first degree relative

59 (26.8 %)

62 (26.2 %)

121 (26.5 %)

No first degree relatives

161 (73.2 %)

175 (73.8 %)

336 (73.5 %)

Cancer stage (n = 500)

   

I (≥TIc)

103 (41.4 %)

108 (43.0 %)

211 (42.2 %)

II

129 (51.8 %)

115 (45.8 %)

244 (48.8 %)

III

17 (6.8 %)

28 (11.2 %)

45 (9.0 %)

  1. Values are means ± SD or n (%) within each study site and overall