Table 1.

Demographic characteristics and anthropometric variables in treatment groups before and after intervention

N	Nigella Sativa treated Group	Control group	P†
	N = 20	N = 20
Age (years)	35.70 ± 8.18	33.95 ± 8.72	0.52
Female [n(%)]	17 (85)	17 (85)	0.89
Weight (kg)
Before	70.52 ± 12.27	69.63 ± 11.75	0.81
After	69.39 11.84	69.62 11.80	0.95
P‡	0.004	0.91
BMI (kg/m2)
Before	27.10 ± 4.63	25.93 ± 4.07	0.40
After	26.63 ± 4.42	25.95 ± 4.11	0.61
P‡	0.002	0.65
WHR
Before	0.86 ± 0.052	0.87 ± 0.053	0.53
After	0.86 ± 0.05	0.87 ± 4.11	0.61
P ‡	0.38	0.53
Physical activity (Met-min/day)
Before	5.25 ± 0.40	5.29 ± 0.56	0.81
After	5.26 ± 0.43	5.55 ± 0.89	0.20
P ‡	0.89	0.22

Data are presented as mean ± SD or number (percent). BMI body mass index, WC waist circumference, HC hip circumference, WHR waist to hip ratio; ^†P values for ANCOVA after adjustment for age, duration of the disease and variable’s baseline value; ‡ P values for paired t-test

The bold data present statistically significant values