Table 2.

Descriptive data for key study variables across groups

	Blacks			Whites
	n = 45 Females = 31 Males =14			n = 49 Females = 39 Males = 10
Variables	Mean	SD	Range	Mean	SD	Range
Age (years)	54.6	5.4	45–68	56.9	7.7	45–71
Vitamin D** (ng/mL)	19.9	8.6	8–40	28.2	8.6	7–48
BMI (%)*	32.4	8.0	18–50	29.0	6.7	19–49
CES-D	16.2	6.5	0–30	16.7	5.2	0–38
WOMAC*	41.5	21.7	4–94	29.4	18.8	4–86
Heat Pain Threshold Knee (deg C)	41.3	3.0	36–46	42.7	2.9	36–48
Heat Pain Tolerance Knee (deg C)**	44.6	3.3	35–49	47.0	2.1	38–51
Heat Pain Threshold Forearm (deg C)*	40.9	3.3	34–47	42.8	2.7	35–47
Heat Pain Tolerance Forearm (deg C)**	45.2	2.7	37–50	47.0	2.1	39–51
Pressure Pain Threshold Knee (kPa)*	263.6	149.0	53–588	362.4	164.4	81–598
Pressure Pain Threshold Forearm (kPa)*	233.3	153.2	51–748	275.9	148.9	77–677

Note:

^*p < 0.05;

^**p < 0.001