Table 2.
Population characteristics in lowest versus highest quartiles of area deprivation index (N=6,168) (GuLF Study Participants, 2011–2013)
| High Deprivation (4th quartile)a (N=2,118) | Low Deprivation (1st Quartile)a (N=327) | |
|---|---|---|
| Mean(SD) | Mean(SD) | |
| Age, years | 42(12) | 46(14) |
| Height, cm | 69(3) | 68(4) |
| FEV1, L | 3.06(0.75) | 3.36(0.77) |
| FVC, mL | 3.90(0.92) | 4.28(0.95) |
| FEV1/FVC% | 78.62(6.76) | 78.69(6.16) |
| N(%) | N(%) | |
| Gender | ||
| Male | 1639(77) | 252(77) |
| Female | 479(23) | 75(23) |
| Race | ||
| White | 755(36) | 283(87) |
| Black | 1157 (54) | 19(6) |
| Other | 206(10) | 25(8) |
| Hispanic Ethnicity | ||
| No | 1979(93) | 308(94) |
| Yes | 139(7) | 19(6) |
| Smoking | ||
| Current Heavy | 237(11) | 22(7) |
| Current Light | 595 (28) | 40(12) |
| Former | 376(18) | 105 (32) |
| Never | 910(43) | 160(49) |
| Secondhand smoke | ||
| No | 1443(68) | 272(83) |
| Yes | 675(32) | 55(17) |
| Income | ||
| <$20,000 | 1066(50) | 45(14) |
| $20,001–$50,000 | 698(33) | 81(25) |
| >$50,000 | 354(17) | 201(61) |
| Educational Attainment | ||
| Less than high school/equivalent | 504(24) | 16(5) |
| High school diploma/GED | 799(38) | 57(17) |
| Some college/2-year degree | 649(31) | 107(33) |
| 4-year college graduate or more | 166(8) | 147(45) |
| Worked on Deepwater Horizon disaster cleanup | ||
| No | 399(19) | 75(23) |
| Yes | 1719(81) | 252(77) |
| Maximum total hydrocarbon exposure level | ||
| Non-workers | 399(19) | 75(23) |
| Level 1: ≤0.29ppm | 235(11) | 65(20) |
| Level 2: 0.3–9.9ppm | 665 (31) | 74(23) |
| Level 3: 1.0–2.99ppm | 531(25) | 79(24) |
| Level 4: ≥3.0ppm | 288(14) | 34(10) |
| Potential exposure to burning oil/natural gas | ||
| Non-workers | 399(19) | 75(23) |
| Unexposed | 1534 (72) | 228(70) |
| Low/Medium | 157(7) | 22(7) |
| High | 28(1) | 2(0.60) |
a
Quartiles derived from the US percentiles: Q1(N=327); Q2(N=1,513); Q3(N=2,210); Q4(N=2,118)