Table 1 Participant demographics and other characteristics
Item | Everyone (N = 25) | High (N = 13) | Low (N = 12) | p-value |
|---|---|---|---|---|
Gender | 19 (76) | 10 (77) | 9 (75) | 1a |
Female, N (%) | ||||
Mean Age in years (range) | 58.8 (42–78) | 55.08 (42–78) | 62.92 (43–78) | 0.100 b |
Ethnicity, N (%) | 0.422b | |||
North American | 10 (40) | 6 (46) | 4 (40) | |
European | 13 (52) | 5 (38) | 8 (62) | |
Other | 6 (24) | 4 (67) | 2 (33) | |
At least some college as highest education, N (%) | 15 (60) | 9 (69) | 6 (50) | 0.428a |
Annual household net income less than $50,000 d N (%) | 14 (56) | 7 (54) | 7 (58) | 1a |
Have Extended health insurance, N (%) | 12 (48) | 6 (46) | 6 (50) | 1a |
Use of NHPs to treat Osteoarthritis longer than 6 months N (%) | 21 (84) | 9 (69) | 12 (100) | 0.096 a |
Mean importance of scientific evidence rating (0 = unimportant, 10 = very important) (standard deviation) | 8 (2.3) | 8 (2.6) | 7.9 (2.1) | 0.931c |
Mean overall health rating (0 = worst, 10 = best) (standard deviation) | 7.2 (1.2) | 7.0 (1) | 7.5 (1.4) | 0.322 c |
Mean pain scale visual analogue scale, 0 = worst, 10 = best (standard deviation) | 6.7 (1.8) | 6.2 (2.0) | 6.9 (1.6) | 0.328c |
Joints affected d N (%) | ||||
Upper extremity | 4 (21) | 1 (10) | 3 (33) | 0.270b |
Lower extremity | 12 (63) | 8 (80) | 4 (44) | |
Other | 3 (16) | 1 (10) | 2 (22) | |
Total joints affected | 19 (100) | 10 (100) | 9 (100) | |
Recruitment location b – N (%) | ||||
Senior community centre | 5 (20) | 1 (20) | 4 (80) | 0.2505 b |
Online community website | 17 (68) | 11 (65) | 6 (35) | |
Health food store | 2 (8) | 1 (50) | 1 (50) | |
Natural Health Products Used – N (%) | ||||
Glucosamine | 25 (100) | 13 (100) | 12 (100) | |
Chondroitin e | 18 (72) | 8 (62) | 10 (83) | |
MSM | 0 (0) | 0 (0) | 10 (83) | |
Bromelain | 4 (16) | 0 (0) | 4 (33) | |