The Association between the Availability of Sugar-Sweetened Beverage in School Vending Machines and Its Consumption among Adolescents in California: A Propensity Score Matching Approach
Table 1
Descriptive statistics about variables used in the propensity score matching.
Variables
Descriptive statistics (mean or frequency distribution)
Outcome variable
Number of SSBs on the prior day
1.09 (1.45)
Exposure variable
Self-reported availability of sugar-sweetened beverage at school vending machines
Yes
2285 (57.4%)
No
1698 (42.6%)
Predictors
Age (mean)
14.4 (.026)
Gender (female)
1979 (49.1%)
Parental education
Less than high school (referent group)
184 (21.0%)
High school only
180 (20.3%)
Some college
189 (21.3%)
Graduated from college
334 (37.7%)
Race/ethnicity
White (referent group)
70 (7.9%)
African American
176 (4.4%)
Latino
823 (20.7%)
Asian
321 (8.1%)
School type (public schools)
3505 (87.0%)
Household income (at or above federal poverty line)
