Table 4: Demographic information of MFS individuals who are currently using opioids versus those who are not current using opioids.

Group Not Currently Using Opioids Currently Using Opioids p
(N) % 66% (144) 34% (74)
Female % 73% (103) 78% (58) 0.41
Age in years, mean range 35-44 35-44 0.02*
White % 91% (131) 93% (69) 0.8
Unemployed % 42% (60) 57% (42) 0.045*
Average years since diagnosis ± sd 19.8 16.2 20.8 14.7 0.65
Average number of MFS symptoms ± sd 11.3 ± 5.4 14.3 ± 4.8 < 0.001**
Average number of sites of pain ± sd 1.9 ± 1.4 3.1 ± 1.9 < 0.001**

N = Number; SD = Standard Deviation. *p ≤ 0.05; **p < 0.001.