Table 1.
Average food consumption frequencies and BMI measures by groups and survey waves, California Health Interview Survey, 2007 and 2011–2012a
| 2007
|
2011–2012
|
Difference-in-differencesb
|
||||||
|---|---|---|---|---|---|---|---|---|
| Outcome | South Los Angeles | Other parts of Los Angeles Countyc | Other parts of Los Angeles Cityd | South Los Angeles | Other parts of Los Angeles Countyc | Other parts of Los Angeles Cityd | Other parts of Los Angeles Countyc | Other parts of Los Angeles Cityd |
| BMI measures | ||||||||
| Mean body mass index | 27.94 | 26.74 (2.79) | 26.36 (3.53) | 29.05 | 27.06 (5.68) | 26.66 (6.43) | (1.43) | (1.41) |
| % overweight or obese (BMI≥25) | 62.86 | 56.58 (1.63) | 54.86 (1.99) | 75.19 | 57.98 (5.15) | 55.96 (5.42) | (2.37) | (2.33) |
| % Obese (BMI≥30) | 32.02 | 22.21 (3.01) | 19.64 (3.70) | 37.20 | 23.92 (4.37) | 21.33 (4.95) | (0.60) | (0.53) |
|
| ||||||||
| Dietary intake frequencies | ||||||||
| Fast Food | 1.85 | 1.56 (1.74) | 1.39 (2.81) | 2.21 | 1.71 (2.70) | 1.56 (3.48) | (0.68) | (0.45) |
| Soft Drinks | 3.23 | 2.29 (2.78) | 2.08 (3.48) | 2.71 | 2.01 (2.48) | 2.04 (2.15) | (−0.26) | (−0.87) |
| Fruits | 7.13 | 7.90 (−1.69) | 8.26 (−2.31) | 7.69 | 7.69 (−0.00) | 7.47 (0.34) | (1.00) | (1.67) |
| Vegetables | 5.71 | 6.59 (−1.87) | 6.74 (−2.09) | 5.25 | 6.59 (−3.41) | 6.66 (−3.43) | (−0.82) | (−0.69) |
| Number of Observations | 467 | 11,591 | 3,829 | 535 | 8,252 | 3,034 | 20,845 | 7,865 |
Source: Authors’ analysis of the California Health Interview Survey data.
Percentages and means are weighted using CHIS sampling weights.
Test statistic values for test of no difference with South Los Angeles are presented in parentheses, with a statistical significance at the level of .05 in bold fonts. The test statistic values are z-values for dietary intake frequencies (fast-food, sugar-sweetened soft drinks, fruits, and vegetables) and for BMI≥25 and BMI≥30, and t-value for BMI.
Test statistic values for test of no differential secular change in the outcome compared with South Los Angeles are presented in parentheses, with a statistical significance at the level of .05 in bold fonts. The test statistic values are z-values for dietary intake frequencies (fast-food, sugar-sweetened soft drinks, fruits, and vegetables) and for BMI≥25 and BMI≥30, and t-value for BMI.
The subsample includes residents of South Los Angeles and residents of the other parts of Los Angeles County.
The subsample includes residents of South Los Angeles and residents of the other parts of Los Angeles City.