Variables		Knowledge of mHealth		Attitude to mHealth		Use of mHealth		Chi-square (χ2)
		%	T-value	Mean	T-value	No (%)	Yes (%)
Own smartphone	No	13.53	4.07***	27.0	3.30**	36.79	63.79	7.98**
	Yes	14.48		28.3		23.13	76.87
Have internet on phone	No	13.09	5.64***	26.82	3.39**	37.23	62.77	7.44***
	Yes	14.52		28.33		23.58	76.42
Education	Low	13.18	4.90***	27.98	0.18	41.18	58.82	12.05***
	High	14.4		28.07		23.09	76.91
Health center	Private	14.13	1.16	27.74	1.57	30.49	69.51	3.99*
	Public	14.36		28.29		22.71	77.29
Sex	Female	14.11	3.19**	27.95	1.21	25.42	74.58	0.487
	Male	14.93		28.49		28.87	71.13
Marital status	Married	14.23	0.52	28.39	2.83**	22.88	77.12	5.87*
	Not married	14.34		27.34		32.93	73.94