Table 4 Birth Certificate Compared with Interview for Paternal Occupation During Periconceptional Perioda
From: Validity of parental work information on the birth certificate
| Â | Â | Fathers employed according to both sources | |||||
|---|---|---|---|---|---|---|---|
Standard Occupational Classification (SOC) groupb | Number (%) missing occupation on vital record | Number by interview | Number by birth certificatec | Number by both sources | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Kappa |
Management | 4 (5.8) | 65 | 58 | 41 | 63.1 (50.9 – 74.1) | 95.8 (93.5 – 97.5) | 0.62 |
Business/financial operations | 0 (0.0) | 12 | 11 | 9 | 75.0 (45.9 – 93.2) | 99.6 (98.6 – 99.9) | 0.78 |
Health diagnosing & treating practitioners | 1 (8.3) | 11 | 13 | 11 | 100 (76.2 – 100) | 99.6 (98.6 – 99.9) | 0.92 |
Food preparation & serving | 12 (30.0) | 27 | 11 | 10 | 37.0 (20.6 – 56.2) | 99.8 (98.9 – 99.9) | 0.51 |
Building and grounds cleaning and maintenance | 6 (25.0) | 18 | 10 | 8 | 44.4 (23.2 – 67.3) | 99.6 (98.6 – 99.9) | 0.56 |
Sales & related occupations | 6 (12.8) | 39 | 32 | 20 | 51.3 (35.8 – 66.6) | 97.2 (95.4 – 98.5) | 0.53 |
Office & administrative support | 6 (13.6) | 37 | 15 | 13 | 35.1 (21.1 – 51.4) | 99.5 (98.5 – 99.9) | 0.48 |
Farming, fishing, and forestry occupations | 2 (14.3) | 11 | 8 | 6 | 54.5 (25.9 – 81.0) | 99.6 (98.6 – 99.9) | 0.62 |
Construction | 18 (22.5) | 61 | 65 | 47 | 77.0 (65.3 – 86.3) | 95.6 (93.3 – 97.3) | 0.71 |
Extraction workers | 1 (7.7) | 12 | 8 | 6 | 50.0 (23.4 – 76.6) | 99.6 (98.6 – 99.9) | 0.59 |
Installation, maintenance, & repair | 6 (16.2) | 26 | 32 | 18 | 69.2 (49.8 – 84.6) | 96.9 (94.9 – 98.2) | 0.60 |
Production occupations | 13 (18.6) | 57 | 57 | 42 | 73.7 (61.2 – 83.9) | 96.4 (94.3 – 97.9) | 0.70 |
Transportation & material moving | 12 (16.0) | 59 | 58 | 41 | 69.5 (56.9 – 80.2) | 95.9 (93.6 – 97.5) | 0.70 |
Military-specific occupations | 6 (23.1) | 19 | 23 | 19 | 100 (85.4 – 100) | 99.1 (97.9 – 99.7) | 0.90 |