Table 4.
Logistic regression model parameters and fit statistics.
| Outcome Variable Tested | Odds Ratio | 95% Confidence Interval | Parameter Estimate | Standard Error | p-value (Wald chi-sq test) | p-value (Likelihood Ratio test) | |
|---|---|---|---|---|---|---|---|
| A. Risky behaviors at work (n = 34) ^ | 0.20 | ||||||
| Knowledge score | 1.1 | (0.9, 1.4) | 0.13 | 0.11 | 0.21 | ||
| Intercept | N/A | N/A | -5.41 | 4.28 | 0.21 | ||
| B. Risky behaviors at work (n=34) ^ | 0.68 | ||||||
| Pregnancy trimester (1st/2nd or 3rd) | 0.8 | (0.2, 3.0) | -0.29 | 0.70 | 0.68 | ||
| Intercept | N/A | N/A | 0.00 | 0.45 | 1.00 | ||
| C. Risky behaviors at work (n = 34) ^ | 0.01 * | ||||||
| Number of risky behaviors at home | 2.2 | (1.1, 4.5) | 0.79 | 0.36 | 0.03 | ||
| Intercept | N/A | N/A | -1.62 | 0.78 | 0.04 | ||
| D. Risky behaviors at home (n = 76) | 0.09 | ||||||
| Knowledge score | 0.9 | (0.7, 1.0) | -0.14 | 0.08 | 0.10 | ||
| Intercept | N/A | N/A | 6.68 | 3.54 | 0.06 | ||
| E. Risky behaviors at home (n = 76) | 0.02 * | ||||||
| Pregnancy trimester (1st/2nd or 3rd) | 5.0 | (1.1, 23.9) | 1.61 | 0.80 | 0.04 | ||
| Intercept | N/A | N/A | 0.64 | 0.28 | 0.02 | ||
| F. Risky behaviors at home (n = 76) | 0.04 * | ||||||
| Pregnancy trimester (1st/2nd or 3rd) | 4.1 | (0.8, 20.6) | 1.42 | 0.82 | 0.08 | ||
| Education (some/none) | 0.6 | (0.2, 1.8) | -0.54 | 0.58 | 0.35 | ||
| Intercept | N/A | N/A | 1.02 | 0.51 | 0.04 | ||
| G. Risky behaviors at home (n = 76) | <0.01 * | ||||||
| Farmwork before pregnant (yes/no) | 9.5 | (2.2, 41.8) | 2.25 | 0.76 | <0.01 | ||
| Pesticides applied before pregnant (yes/no) | 12.2 | (2.0, 75.1) | 2.5 | 0.93 | 0.01 | ||
| Previous child (yes/no) | 4.1 | (1.0, 15.7) | 1.4 | 0.69 | 0.04 | ||
| Child's susceptibility score (high/low) | 5.8 | (1.4, 24.7) | 0.76 | 0.74 | 0.02 | ||
| Intercept | N/A | N/A | -2.6 | 0.91 | <0.01 | ||
^ Agricultural workers only; * Significant result (p < 0.05).