Table 3 .

Odds ratios (95% CI) of the multivariate relationship of age, gender, genotype, depression and frequency of pain to painful body sites. Specific body sites included in table if any of the 5 independent variables demonstrated a significant relationship (shown in bold).

	Age*	Female**	SS genotype**	Depressed**	Frequent Pain**
Hip	1.18 (0.99,1.39)	0.98 (0.66,1.44)	0.71 (0.47,1.07)	1.00 (0.66,1.51)	1.48 (1.01,2.16)
Thigh	1.00 (0.85, 1.17)	1.60 (1.08,2.38)	0.66 (0.44, 0.98)	0.91 (0.61,1.35)	2.09 (1.41,3.08)
Lower back	1.11 (0.93,1.31)	0.84 (0.58,1.22)	1.55 (0.99,2.43)	0.85 (0.56,1.29)	1.87 (1.29,2.70)
Arm	1.19 (1.02,1.38)	1.01 (0.70,1.46)	0.75 (0.52,1.09)	1.08 (0.75,1.55)	1.62 (1.15,2.28)
Ankle/foot	1.22 (1.02,1.47)	1.20 (0.76,1.89)	1.29 (0.83,2.00)	1.37 (0.88, 2.14)	1.98 (1.29,3.03)
Shoulder	1.36 (1.13,1.64)	0.74 (0.48,1.15)	0.67 (0.42,1.07)	0.94 (0.59,1.51)	1.79 (1.18,2.72)
Head	0.94 (0.73,1.20)	1.40 (0.82,2.31)	1.40 (0.78, 2.51)	1.88 (1.15. 3.07)	1.73 (1.08,2.75)
Hand	1.40 (1.09,1.80)	1.31 (0.76,2.25)	0.59 (0.35,1.01)	1.29 (0.77,2.18)	2.41 (1.42,4.08)
Clavicle	1.41 (1.09,1.81)	0.98 (0.55,1.73)	0.74 (0.41,1.34)	1.33 (0.72,2.44)	1.62 (0.95,2.74)
Pelvis	1.11 (0.86,1.45)	0.50 (0.28,0.90)	0.87 (0.41,1.85)	1.26 (0.70,2.27)	1.02 (0.52,1.97)
Knee/shin	1.07 (0.93,1.22)	1.37 (0.98,1.93)	0.91 (0.63,1.31)	0.93 (0.66,1.31)	1.94 (1.40,2.68)

^*Odds ratio for difference of 10 years of age.

^**Reference groups are: male, SC or β+ thalasemia genoptype; not depressed, percent pain days<67%