Table 1.

Descriptive statistics for age and sex in pain vs. non-pain populations

	Males	Females	Missing	Total	Mean age (n = 10,021)a
Pain	1014	1369	1	2384	46.35 (n = 2380)
Non-pain	4177	3496	3	7676	39.62 (n = 7641)
All	5191	4865	4	10,060	41.22

^aAge has lower total n as some people not give their age.