Table 3.

Adjusted linear regression of percentage of bodyweight lost among women and men using the Lose It! mobile app (N=7007). Estimates in italics are significant at P<.05. BMI: body mass index. Ref: reference category.

Characteristics		Women			Men
		Regression coefficient	Standard error	P value	Regression coefficient	Standard error	P value
Age (years)a
	18-24	Ref			Ref
	25-34	.73	0.25	.003	.15	0.40	.71
	35-44	.48	0.25	.05	.02	0.39	.95
	45-54	.82	0.26	.001	−.31	0.41	.44
	55-64	.70	0.28	.01	−.26	0.43	.55
	65-80	−.08	0.37	.84	11.04	0.51	.04
BMI classificationa
	Overweight	Ref			Ref
	Obesity I	.20	0.17	.24	1.03	0.24	.001
	Obesity II	.44	0.22	.05	0.76	0.32	.02
	Extreme obesity	.42	0.25	.09	.93	0.37	.01
Weight loss plan (lb/week)a
	<1	Ref			Ref
	1 to <1.5	.89	0.42	.03	−.18	0.56	.75
	1.5 to <2	1.11	0.42	.01	0.09	0.56	.87
	2 to <4	2.07	0.42	<.001	1.37	0.55	.01
Daily calories on Mondays versus weekend daysa
	More than 500 calories on weekend days	Ref			Ref
	More than 250 to 500 calories on weekend days	.46	0.57	.42	−.34	0.48	.48
	More than 50 to 250 calories on weekend days	1.64	0.53	.002	.48	0.45	.29
	More than or less than 50 calories	1.82	0.54	.001	.42	0.48	.39
	More than 50 to 250 calories on Mondays	.54	0.54	.32	−.87	0.47	.07
	More than 250 to 500 calories on Mondays	−1.35	0.62	.03	−2.27	0.60	<.001
	More than 500 calories on Mondays	−3.58	0.93	<.001	−3.42	0.94	<.001
Intercept		3.83	0.46	<.001	6.02	0.65	<.001

^aFactor significantly associated (P<.05) with percentage of weight lost for that sex.