Table 6.

Summary of the multiple regression analysis of predictors of how many challenges would be completed by users of the <30 Days health risk assessment app.

Variable		Ba	SEB b	Beta	P value
Intercept		2.741	0.855		<.001
Sex		1.064	0.154	0.033	<.001
Age group		0.911	0.051	0.083	<.001
Ethnicity		–0.074	0.021	–0.015	<.001
Height		0.006	0.004	0.007	.16
Weight		0.002	0.002	0.005	.37
Risk factor
	Alcohol	0.233	0.199	0.005	.24
	Smoking	–0.761	0.171	–0.019	<.001
	Stress	0.641	0.126	0.022	<.001
	Exercise	–2.015	0.123	–0.071	<.001
	Salt intake	–1.174	0.132	–0.038	<.001
	Nutrition	–1.071	0.189	–0.025	<.001
Incentive (AIR MILES)		1.573	0.126	0.052	<.001
Number of conditions		–0.007	0.075	0	.93
Number of family histories		0.315	0.043	0.033	<.001

^aB: unstandardized regression coefficient.

^bSE_B: standard error of the coefficient.

^cBeta: standardized coefficient.