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Table 1 Selected characteristics of study population and a comparison of responders vs. non-responders

From: Oral vitamin B12therapy in the primary care setting: a qualitative and quantitative study of patient perspectives

 

Responders n = 86

Non-responders n = 47

p-value

Mean age – Yr ± SD

72 ± 15

65 ± 20

0.03

Female sex – No. (%)

48 (56)

37 (79)

0.009

Level of education completed

   

   High school or less

28 (33)

  

   Some post-secondary education

21 (25)

  

   Bachelors degree or more

35 (42)

  

Annual household income

   

   Less than $40K

40 (53)

  

   $40–79K

20 (26)

  

   $80K or greater

16 (21)

  

Self-reported perception of health

   

   Above average

25 (29)

  

   Average

40 (47)

  

   Below average

20 (24)

  

Prescription medications taken

   

   0

8 (10)

  

   1 to 3

46 (55)

  

   4 to 6

16 (19)

  

   7 +

14 (17)

  

Monthly episodes of forgetting medications

   

   0

45 (54)

  

   1–2

26 (31)

  

   3+

12 (14)

  

Years on B12 therapy

   

   0 to 2

19 (24)

  

   3 to 5

25 (31)

  

   6 to 10

17 (21)

  

   11 to 19

13 (16)

  

   20+

6 (8)

  

Frequency of B12 injections

   

   Less than once monthly

9 (10)

  

   Once monthly

74 (86)

  

   More than once monthly

3 (3)

  

Satisfaction with B12 injections

   

   Satisfied

22 (26)

  

   Neutral

59 (69)

  

   Unsatisfied

5 (6)

  

Monthly visits to doctor for other reasons

   

   0

49 (60)

  

   1

23 (28)

  

   2 +

10 (12)

  

Mode of travel to visit doctor

   

   Personal vehicle

49 (58)

  

   Public transit

23 (27)

  

   Walk

9 (11)

  

   Taxi

4 (5)

  

Travel time to visit doctor

   

   < 15 min

27 (32)

  

   15–29 min

29 (35)

  

   30–44 min

20 (24)

  

   45–59 min

5 (6)

  

   60+ min

3 (3)

  

Patients at each study site

   

   Sunnybrook Campus, SWCHSC*

51 (59)

  

   Flemingdon Health Centre

19 (22)

  

   Women's College Campus, SWCHSC*

16 (19)

  
  1. * Sunnybrook and Women's College Health Sciences Centre