Table 4.

Random event/eating event binary items frequencies and bivariate odds ratios.

Question	Option	Mean per Day^a	SD per Day^b	Odds Ratio^c
Question	Option	Mean per Day^a	SD per Day^b	Sweet Drinks	Sweet Snacks	Salty Snacks
Where were you just before eating/drinking?	Home	0.643	0.186	0.753^*	1.069	0.712
	Other person’s home	0.086	0.108	1.142	0.762	1.110
	Stores/entertainment	0.037	0.062	1.625	0.851	0.549
	School	0.084	0.101	0.879	1.706^*	1.948^*
	Vehicle	0.049	0.069	1.533	1.242	1.201
	Outdoors	0.065	0.094	1.066	0.387^**	1.215
	None of the above	0.037	0.063	1.466	1.098	1.271
[If at home…] Where at home?	Bedroom	0.311	0.203	0.766	0.906	0.744
	Kitchen/dining room	0.151	0.127	0.789	1.030	0.817
	Family/game room	0.143	0.156	1.129	1.471^*	1.232
	Yard	0.013	0.031	1.532	0.930	0.264
	Bathroom	0.011	0.025	1.129	0.082	0.593
	Other	0.014	0.038	0.628	0.855	0.884
	Not applicable	0.357	0.186	1.327^*	0.935	1.404
[If in a store…] What kind of store?	Grocery store	0.005	0.018	1.493	0.927	1.528
	Mall/food court	0.010	0.030	0.753	1.086	0.245
	Restaurant/fast food	0.014	0.034	2.162	0.524	0.198
	Movie theater	0.001	0.004	6.898	0.000	0.274
	Gaming store	0.001	0.011	0.227	0.000	1.000
	Other	0.007	0.021	1.290	1.417	0.976
	Not applicable	0.963	0.062	0.615	1.176	1.820
[If at school…] Where at school?	Classroom	0.016	0.035	0.755	1.960	1.556
	Cafeteria	0.006	0.024	0.692	0.878	3.244
	Gym	0.015	0.051	0.698	1.838	1.251
	Library	0.002	0.008	0.564	0.177	1.000
	School grounds	0.032	0.057	1.319	2.100^*	1.715
	Parking lot	0.003	0.016	0.140	0.006	0.161
	Other	0.010	0.032	0.679	1.097	3.532
	Not applicable	0.916	0.101	1.138	0.586^*	0.513^*
Were you alone?		0.367	0.199	1.090	0.944	0.725
[If not alone…] Who were you with? (Check all that apply)	Family	0.415	0.208	0.770^*	1.058	0.829
	Friends	0.263	0.178	1.377^*	0.864	1.459
	Teams/Clubs/Groups	0.036	0.071	1.566	0.798	1.882
	Classmates/peers	0.043	0.073	0.787	1.362	0.811
	Co-workers	0.004	0.017	0.083	1.123	6.727^**
	Others	0.025	0.069	0.620	0.971	1.252
What were you doing? (Check all that apply)	Using electronic media	0.418	0.223	1.145	1.324^*	1.048
	Coming from school	0.070	0.077	1.359	1.545	1.130
	Working	0.023	0.053	0.906	0.713	0.728
	Hanging with friends	0.139	0.132	1.634^**	0.968	1.202
	Sleeping	0.088	0.087	0.692	0.616	0.420^*
	Exercising	0.078	0.111	1.387	0.761	0.754
	Studying/reading	0.085	0.102	0.736	0.845	0.782
	Other activity	0.296	0.208	0.983	0.997	1.607^*
[if electronic media…] What electronic media? (Check all that apply)	Watching TV	0.217	0.178	1.289	1.461^*	0.911
	Computer/video games	0.103	0.122	0.764	1.112	0.948
	Working on a computer	0.029	0.055	0.753	0.896	1.038
	IM/email on computer	0.027	0.064	1.086	1.164	1.775
	Texting	0.164	0.203	1.203	1.162	1.336
	Listening to music	0.101	0.138	0.998	0.869	0.642
	Other	0.024	0.103	0.357	0.429	0.470
What happened just before you drank/ate? (Check all that apply)	Smelled food	0.156	0.154	0.845	0.354^***	1.078
	Saw snacks	0.143	0.147	2.191^***	7.371^***	5.470^***
	Saw friend eating	0.039	0.068	1.076	0.670	2.248^*
	Friend offered food	0.054	0.075	1.728^*	0.921	2.205^*
	Family offered food	0.153	0.132	0.546^**	0.525^**	0.426^**
	Bought drink/snack	0.060	0.072	2.878^***	1.627^*	2.211^*
	None of the above	0.565	0.217	0.708^**	0.417^***	0.300^***
Did you eat by yourself?		0.437	0.223	1.120	2.377^***	1.421
[If not alone..] Who were you with? (Check all that apply)	Friend	0.160	0.133	2.204^***	1.344	2.204^***
	Family member	0.246	0.174	1.445^**	0.788	0.894
	Classmate/peer	0.019	0.041	0.958	0.936	1.347
	Others	0.028	0.060	2.503^**	0.491	1.267

Mean proportion of ‘yes’ responses per day: Response options were ‘Yes’ or ‘No’ (Yes=1, No=0).

Standard deviation of the between person means.

Odds ratios are the increase in odds for an outcome (sweet drinks, sweet snacks, or salty snacks) for the designation response option relative to all other options for a single question.

Sweetened drinks;

Sweet snacks;

Salty snacks.

p<.05

^**

p<.01

^***

p<.001