Mobile Phone Short Message Service (SMS) for Weight Management in Iranian Overweight and Obese Women: A Pilot Study

Table 3

Effect of the intervention on body mass index.

BMI	Baseline BMI (kg/m^2); (mean ± SD)	After 3 months BMI (kg/m^2); (mean ± SD)	Reduction in BMI; (mean ± SD)	Reduction in BMI (Percentage of initial BMI) %	Mann-Whitney test for reduction in BMI at 3 months
Experimental	28.15±3.1	27.39±3.04	0.83±1.16	2.9	𝑃= 0.037^∗; 𝑍=1.41
Control	28.37±3.34	28.25±3.57	0.26±0.48	0.9

∗The mean reduction in BMI was 0.57 (kg/m²) more than in the experimental group (𝑃=0.037).