Research Article
The 2007 Los Angeles Mommy and Baby Study: A Multilevel, Population-Based Study of Maternal and Infant Health in Los Angeles County
Table 2
Comparison of 2007 LAMB surveys sent and completed by race-ethnicity among the multilevel (MLS) and final county (FCS) samples (crude response rate).
| Race/ethnicity | Number of women sampled | Number of completed surveys returned | Crude response rate (%) (number of completed surveys/number of women sampled) |
| Total | | | | MLS | 12,675 | 4,518 | 35.6% | FCS | 17,570 | 6,264 | 35.7% | Non-Hispanic White | | | | MLS | 2,087 | 880 | 42.2% | FCS | 3,084 | 1,308 | 42.4% | Non-Hispanic Black | | | | MLS | 937 | 272 | 29.0% | FCS | 3,244 | 987 | 30.4% | Hispanic | | | | MLS | 8,038 | 2,760 | 34.3% | FCS | 8,319 | 2,887 | 34.7% | Asian/Pacific Islander | | | | MLS | 1,509 | 557 | 36.9% | FCS | 2,686 | 987 | 36.7% |
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