Table 3.

The Association of Middle School Students’ Intentions to Drink Water at School and Overall Water Intake by Covariates, Los Angeles, California^a

	Nb	Overall Water Intake (%)					p-valuec
		Less than 1 glass	1 to <2 glasses	2 to < 3 glasses	3 to < 4 glasses	4 or more glasses
TOTAL	2,873	16.3	13.9	22.9	18.5	28.5
Intentions to Drink Water at School Mean (SD)d	2,767	2.92 (1.18)	3.04 (1.17)	3.31 (1.23)	3.46 (1.16)	3.52 (1.29)	<0.001
Age							0.57
11–12	1,949	16.2	13.5	23.8	19.5	27.0
13–15	924	16.5	14.7	21.0	16.4	31.5
Gender							<0.001
Male	1,477	13.2	13.1	22.1	19.1	32.6
Female	1,396	19.5	14.7	23.8	17.8	24.2
Race/Ethnicity							<0.001
Latino	2,131	16.4	14.6	23.1	19.4	26.6
Black	298	21.5	11.3	23.2	14.3	29.8
Other	431	11.9	12.2	22.3	17.4	36.3
Free and Reduced Lunch Eligibility							0.15
No	250	13.3	13.5	21.8	22.8	28.6
Yes	1,986	16.4	13.8	23.8	17.7	28.3
Language Spoken at Home							<0.001
English	1,316	19.4	14.3	22.4	17.4	26.6
Spanish	1,253	14.0	13.9	23.7	19.6	28.7
Other	160	10.7	10.1	17.4	18.6	43.2
U.S.-Born Status							0.007
Foreign-Born	1,146	15.8	13.0	20.0	20.0	31.3
U.S.-Born	1,721	16.4	14.5	24.9	17.6	26.7

^aAll percentages are weighted.

^bAmong adolescents not missing the outcome and who reported being present being at school the previous day. Ns may add to less than 2,873 due to missing data.

^cOverall test for all categories of the characteristic predicting continuous water intake with weighted least squares regression.

^dThe wording of this question was slightly different for the first pair of schools: “How likely is it that you will drink tap water or water from a drinking fountain the next day you are in school?”