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Table 1 Participant characteristics (N = 203)

From: Arthralgia among women taking aromatase inhibitors: is there a shared inflammatory mechanism with co-morbid fatigue and insomnia?

 

Overall population

With symptom cluster

Without symptom cluster

Mean age (SD)

60.5 (8.5) yr

60.1 (9.4) yr

60.6 (8.3) yr

Body mass index (kg/m2)

   

 Normal weight (18.5–24.9)

83 (41.1 %)

9 (26.5 %)

74 (44 %)

 Overweight (25–29.9)

59 (29.2 %)

12 (35.3 %)

47 (28 %)

 Obese (>30)

60 (29.7 %)

13 (38.2 %)

47 (28 %)

Race

   

 White

163 (80.7 %)

26 (76.5 %)

137 (81.5 %)

 Non-white

39 (19.3 %)

8 (23.5 %)

31 (18.5 %)

Education

   

 High school or less

46 (22.8 %)

8 (23.5 %)

38 (22.6 %)

 College

93 (46 %)

20 (58.8 %)

73 (43.5 %)

 Graduate/professional

63 (31.2 %)

6 (17.7 %)

57 (33.9 %)

Years since LMP

   

 <5 yr

41 (21.5 %)

13 (40.6 %)

80 (50.3 %)

 5–10 yr

57 (29.8 %)

10 (31.3 %)

47 (29.6 %)

 >10 yr

93 (48.7 %)

9 (28.1 %)

32 (20.1 %)

Cancer stage

   

 Stage 0/I

94 (47 %)

13 (38.2 %)

81 (48.8 %)

 Stage II

81 (40.5 %)

16 (47.1 %)

65 (39.2 %)

 Stage III

25 (12.5 %)

5 (14.7 %)

20 (12 %)

AI taken

   

 Anastrozole

148 (74.4 %)

27 (79.4 %)

121 (73.3 %)

 Exemestane

20 (10 %)

2 (5.9 %)

18 (10.9 %)

 Letrozole

31 (15.6 %)

5 (14.7 %)

26 (15.8 %)

Years on AI

   

 <1 yr

54 (26.7 %)

11 (32.4 %)

43 (25.6 %)

 1–3 yr

85 (42.1 %)

12 (35.3 %)

73 (43.5 %)

 >3 yr

63 (31.2 %)

11 (32.3 %)

52 (30.9 %)

Chemotherapy history

   

 None

77 (38.3 %)

14 (41.2 %)

63 (37.7 %)

 Regimen with a taxane

78 (38.8 %)

10 (29.4 %)

36 (21.6 %)

 Regimen without a taxane

46 (22.9 %)

10 (29.4 %)

68 (40.7 %)

NSAID use in last 7 days

   

 Yes

61 (30.3 %)

17 (50 %)

44 (26.3 %)

 No

138 (68.7 %)

17 (50 %)

121 (72.5 %)

 Don’t know

2 (1 %)

0 (0 %)

2 (1.2 %)

  1. AI aromatase inhibitor, LMP last menstrual period, NSAID non-steroidal anti-inflammatory drug, SD standard deviation
  2. Symptom cluster refers to comorbid arthralgia, fatigue, and insomnia