Knee osteoarthritis in two ethnic groups in southern Israel: Risk factors and the role of Muslim prayer

Table 2 Multivariate models for knee osteoarthritis in the two ethnic populations

Variable	Bedouins		Jews
	OR (95%CI)	P value	OR (95%CI)	P value
Age	1.05 (0.97-1.14)	0.221	1.03 (0.98-1.08)	0.299
Sex (male subjects)	0.69 (0.23-2.01)	0.491	0.50 (0.23-1.10)	0.082
Number of children	1.13 (0.97-1.31)	0.113	0.93 (0.76-1.12)	0.424
BMI	1. 19 (1.05-1.36)	0.008	1.18 (1.08-1.29)	< 0 .001
Diabetes mellitus (yes)	2.03 (0.74-5.53)	0.167	2.64 (1.18-5.92)	0.019
Physically active (yes)	-	-	0.18 (0.04-0.85)	0.031
Pray on their knees (yes)	0.05 (0.02-0.12)	< 0.001	-	-

Hosmer-Lemeshow goodness-of-fit test demonstrated adequate model fit for both logistic regression models (Jews: P = 0.525; Bedouins: P = 0.872). BMI: Body mass index; OR: Odds ratio; CI: Confidence interval.