Table 4.
Comparison of reliability of self-reported pesticide usea by Hispanic Status (Non-Hispanic, n=271 and Hispanic n=173), NCCLS, 2001–2006
| Kappa (95% CI)
|
Percent positive (%)(95% CI)
|
Percent negative (%)(95% CI)
|
||||
|---|---|---|---|---|---|---|
| Hispanics | Non-Hispanics | Hispanics | Non-Hispanics | Hispanics | Non-Hispanics | |
| Fleas, ticks | 0.49 (0.36–0.63) | 0.59 (0.49–0.69) | 66 (56–76) | 75 (69–82) | 83 (78–88) | 84 (80–88) |
| Ants, flies, cockroaches | 0.25 (0.10–0.40) | 0.38 (0.26–0.49) | 76 (70–82) | 80 (75–84) | 50 (38–61) | 57 (49–66) |
| Indoor foggers | 0.41 (0.20–0.62) | 0.41 (0.22–0.59) | 47 (28–67) | 46 (28–63) | 94 (91–96) | 95 (93–97) |
| Weeds, insects, plants | 0.46 (0.32–0.60) | 0.48 (0.38–0.59) | 63 (52–74) | 75 (69–81) | 83 (78–88) | 73 (67–79) |
| Professional pest service | 0.37 (0.21–0.53) | 0.66 (0.57–0.75) | 57 (44–70) | 79 (73–85) | 85 (80–89) | 87 (83–91) |
| Professional lawn service | 0.39 (0.19–0.59) | 0.63 (0.52–0.74) | 47 (28–65) | 72 (63–80) | 92 (89–95) | 91 (88–94) |
| Overall | 0.50 (0.44–0.55) | 0.60 (0.56–0.64) | 65 (60–69) | 76 (73–78) | 85 (83–87) | 85 (83–87) |
| Mean difference (95% CI) b | 0.13 (0.09;0.17) | 11.8 (9.0; 14.6) | 0.0 (−1.2;1.2) | |||
| p-valuec | 0.031 | 0.004 | 0.739 | |||
a
Pesticide use: from three months prior to conception until three years of age
b
Bootstrap estimates for difference of means and variances between Hispanics and non-Hispanics
c
Bootstrap estimated p-value